RVBA-MMA

Mott MacDonald — full event log

Every event we have on file across every reporting year. The Data-by-year tab summarises the top 10 per year; this page shows them all.

← back to Data by year

2024· 19 events

Climate disclosures limited to UK SECR boundary; full inventory in Group reportData confidence — high

MML's climate disclosures cover only the UK business (approximately 45% of Group by revenue and headcount) and only include Scope 1, Scope 2, and Scope 3 business travel from hire vehicles. Full Scope 3 inventory is reported by parent Mott MacDonald Group Limited (MMGL).

sustainability_report p.6

PAS 2080:2023 carbon management certificationData confidence — high

Mott MacDonald is certified to PAS 2080:2023, the carbon management specification for buildings and infrastructure that they co-authored in 2016 and updated in 2023.

sustainability_report p.4

Provision for impairment of UK Health business investmentData confidence — high

Provision for impairment of £3.0m was made for the UK Health business which had a slower year in 2024.

sustainability_report p.7

Capital reduction and bonus issue of sharesData confidence — high

In December 2024 the company carried out a £15m bonus issue of shares followed by a £15m capital reduction, returning £15m to parent Mott MacDonald Group Limited as a capital repayment.

sustainability_report p.59

Dependent: Supply chain ESG due diligenceData confidence — med

Sustainability considerations are integrated into procurement and due diligence; due diligence is undertaken on the supply chain before contracting, with material risks identified for technical competence, business ethics, modern slavery, sanctions, export controls, environmental, social or safeguarding.

sustainability_report p.21

Primary: Office energy: electricity and gasData confidence — high

Office energy (electricity and gas) consumption fell from 15.2 GWh in 2019 to 6.5 GWh in 2024, a ~57% reduction. Combined scope 1 office gas and fugitive emissions plus scope 2 market-based electricity sit at 524 tCO2e in 2024 versus 3,183 tCO2e in 2019.

sustainability_report p.6

UN Global Compact and 2024 Group sustainability policy statementData confidence — high

Approach informed by UN Global Compact principles. In 2024 the firm published its Group sustainability policy statement covering climate, environment and society.

sustainability_report p.4

SECR reporting boundary limited to UK with scope 3 only covering hire-vehicle business travelData confidence — high

For SECR purposes MML reports only on scope 1 and 2 emissions alongside scope 3 business travel from hire vehicles. The wider GHG Protocol inventory is reported at Group level.

sustainability_report p.6

Social Value Management Certificate Level 2 from Social Value InternationalData confidence — high

In 2024 the firm was awarded the Social Value Management Certificate Level 2 by SVI, six months after becoming the first engineering, management and development consultancy to achieve Level 1.

sustainability_report p.3

SECR scope limited to UK; only Scope 3 business travel from hire vehicles includedData confidence — high

Reporting boundary for SECR is constrained to UK MML business and only includes Scope 1, Scope 2 and Scope 3 business travel from hire vehicles. Full emissions inventory is in the Group (MMGL) statement. This means MML disclosed totals understate the company's full Scope 3 footprint.

sustainability_report p.6

Provision for impairment of UK Health business investment £3.0mData confidence — high

A £3.0m provision for impairment of investment was recognised relating to the UK Health business which had a slower year in 2024.

sustainability_report p.7

ISO 14064 verification of carbon footprintData confidence — high

Methodology documented within detailed statements for each emission source, used to support verification of the carbon footprint to ISO 14064.

sustainability_report p.6

Bonus issue and capital reduction of £15mData confidence — high

In December 2024 the company executed a £15m bonus issue of shares followed by a £15m capital reduction, returning capital to parent Mott MacDonald Group Limited.

sustainability_report p.59

Dependent: Embedding carbon management in client infrastructure projects via PAS 2080Data confidence — high

As co-author and certified user of PAS 2080:2023 (the carbon management specification for buildings and infrastructure), MML positions client-project carbon management as a key lever — supporting clients to embed carbon management systems into the built environment. Project-level assessment tools determine complexity including health, safety, ethics and sustainability and develop treatment strategies through the project life cycle.

sustainability_report p.4

Primary: Business travel (hire-vehicle car emissions)Data confidence — high

Business travel from hire-vehicle cars is the dominant scope-3 category MML tracks, at 3,007 tCO2e in 2024 (up from 2,224 in 2023 but down from a 2019 baseline of 3,254). It is the only scope 3 category captured in MML's SECR boundary, suggesting a primary lever for the UK consultancy footprint.

sustainability_report p.6

Dependent: Designing low-carbon energy infrastructure for clientsData confidence — high

Major 2024 commissions include National Grid high-voltage links to integrate offshore wind into UK infrastructure by 2030, an MoU with Holtec Britain and Hyundai E&C on SMR-300 small modular reactors (first step of the UK GDA completed), and selection by Rolls-Royce as design partners for nuclear submarine site expansion — positioning client-facing low-carbon energy work as a major dependent decarb lever.

sustainability_report p.3

ISO 45003 management system verificationData confidence — high

Management system verified as meeting the requirements of ISO 45003: managing psychological health in the workplace.

sustainability_report p.5

PAS 2080:2023 certification for carbon managementData confidence — high

Certification to PAS 2080:2023, the carbon management specification for buildings and infrastructure, which the firm co-authored in 2016 and which was updated in 2023.

sustainability_report p.4

UK pension scheme reached full funding; no further deficit contributions requiredData confidence — high

2024 actuarial valuation signed 26 April 2024 confirmed full funding. From 1 May 2024 no further deficit contributions are required from the company. Trustees are exploring buy-out arrangement in 2028/2029.

sustainability_report p.8

2023· 29 events

No durable removals strategy disclosed; focus on absolute reductionsData confidence — high

Mott MacDonald's net-zero plan focuses on absolute emissions reductions (-90% by 2040 from 2019 baseline) rather than relying on carbon removals or offsets. The report does not disclose any DAC, BECCS, afforestation, or removal-credit purchases. Biogenic emissions and removals are tracked separately within the ISO 14064 inventory but their net impact is reported as 0 tCO2e. SBTi-validated targets are framed as absolute reductions across scopes 1, 2 and 3.

sustainability_report p.6

Modern slavery project risk processes strengthenedData confidence — high

In 2023, Mott MacDonald made improvements to project risk management processes including on modern slavery, taking external advice to move forward with countering modern slavery.

sustainability_report p.3

Social Value Management Certificate from Social Value InternationalData confidence — high

First engineering, management and development consultancy to be awarded the Social Value Management Certificate by Social Value International.

sustainability_report p.3

In-house data tool & emission factor updates triggered restatement of 2019 baseline and 2022Data confidence — high

Mott MacDonald deployed a new in-house data optimisation tool in 2023 for the first time, with outputs verified under ISO 14064. Combined with updates to emissions factors (including discontinuation of the scope 3 evaluator tool) this led to recalculation of the 2019 baseline and prior years for consistency.

sustainability_report p.7

SBTi-validated net-zero target set (2040)Data confidence — high

Science Based Targets initiative (SBTi) verified the Group's net-zero science-based targets in 2023. Target: net zero by 2040 with 90% reduction in scope 1, 2 and 3 from 2019 base year. Near-term: scope 1+2 reduced 46.2% by 2030, relevant scope 3 by 28% by 2030. Aim for 70% of suppliers by spend to have SBTs by 2027.

sustainability_report p.6

2019 baseline restated under new methodologyData confidence — high

The 2019 base year emissions and 2022 comparison data have been restated using the 2023 footprint methodology to ensure year-on-year comparability after the data optimisation project.

sustainability_report p.9

First full climate-related financial disclosure (TCFD/CFD Regulations)Data confidence — high

Group now in scope of the UK Companies (Strategic Report) (Climate-related Financial Disclosure) Regulations 2022. The 2023 report includes the first full climate-related financial disclosure in MMGL describing governance, strategy, risk management, metrics and targets. Climate change added as a principal risk in 2023.

sustainability_report p.5

ISO 14064 external verification of carbon footprintData confidence — high

Global carbon footprint underwent external verification to ISO 14064; the new in-house data tool's processing, validation and outputs were verified as part of independent ISO 14064 verification. Also independently verified to PAS 2080:2023 carbon management specification.

sustainability_report p.6

Climate change added as principal riskData confidence — high

In 2023 the Board decided to include climate as one of the Group's principal risks following further assessment of climate-related risks and opportunities (TCFD-aligned, including transition and physical climate risks).

sustainability_report p.17

In-house data tool replaces manual carbon calculation; baseline recalculatedData confidence — high

In 2023 Mott MacDonald deployed a new in-house data optimisation tool for carbon footprint calculation, verified to ISO 14064. Emission factor libraries were updated (including discontinuation of the scope 3 evaluator tool) and assumptions/estimation methods improved. As a result the 2019 baseline and 2022 figures have been recalculated for consistency. Tables 1-3 reflect the restated values.

sustainability_report p.7

Dependent: Supplier engagement on science-based targets (Scope 3 Cat 1)Data confidence — high

Purchased goods and services is by far MML's largest scope 3 category (164,680 tCO2e in 2023, 74% of scope 3). The firm aims for 70% of suppliers by spend to have science-based targets by 2027. A supplier was appointed in 2023 to facilitate carbon engagement and data gathering across the supply chain, with additional carbon questions added to due-diligence processes.

sustainability_report p.7

SBTi-validated net-zero targetData confidence — high

Science Based Targets initiative (SBTi) verified Mott MacDonald's net-zero science-based targets in 2023. Target: net zero by 2040 with 90% reduction in scope 1, 2 and 3 emissions by 2040 (2019 base year). Near-term target: 46.2% reduction in scope 1+2 and 28% reduction in relevant scope 3 by 2030, with 70% of suppliers by spend to have SBTs by 2027.

sustainability_report p.6

Dependent: PAS 2080 carbon management on client projectsData confidence — high

Mott MacDonald has been PAS 2080 certified as a designer since 2017 and was independently verified to the PAS 2080:2023 revision in 2023. Embedding PAS 2080 in decision making is central to JNB's net-zero plan and to enabling clients (e.g. Heathrow Airport, where the firm is helping plan a 2.3 million tonne CO2 reduction by end-2026) to decarbonise their infrastructure projects.

sustainability_report p.7

Primary: Employee commuting reduction (Scope 3 Cat 7)Data confidence — high

Employee commuting emissions are tracked alongside business travel within the near-term reduction target. Reduced commuting to offices is cited as a driver of the 42% scope 3 reduction vs. 2019 baseline. Group cat 7 emissions fell from 14,750 tCO2e (2019) to 8,975 tCO2e (2023).

sustainability_report p.8

Primary: Business travel reduction (Scope 3 Cat 6)Data confidence — high

Business travel is one of MML's largest scope 3 categories. In 2023, the firm introduced non-compliance when booking flights travelling within mainland Britain as the first policy measure to reduce travel emissions. Group business travel rose from 15,919 tCO2e in 2022 to 19,907 in 2023 (still 49% below the 2019 baseline of 39,147). Further behaviour-change measures are planned via regional carbon reduction plans.

sustainability_report p.7

100% renewable electricity procurement for offices, driven by regional targetsData confidence — high

Mott MacDonald has continued to increase procurement of renewable energy for its offices, driven by regional targets to achieve 100% renewable electricity. MML's market-based Scope 2 emissions fell from 2,261 tCO2e in 2019 to 137 tCO2e in 2023. The JNB contracting business has also generated significant energy efficiency improvements through switching to higher Energy Performance Certificate (A/B) rated site cabins. No PPAs are explicitly disclosed; procurement appears to be via green tariffs / renewable supply contracts at the regional office level.

sustainability_report p.7

PAS 2080:2023 verificationData confidence — high

Mott MacDonald has been independently verified for the carbon management specification PAS 2080:2023 (the April 2023 major revision). JNB contracting business set up a working group in 2023 to also become PAS 2080 certified (as a contractor).

sustainability_report p.5

SBTi-validated net-zero target by 2040Data confidence — high

Science Based Targets initiative verified Mott MacDonald Group's net-zero science-based targets in 2023. Overarching target: net zero by 2040 with 90% reduction in scope 1, 2 and 3 emissions from 2019 baseline. Near-term: -46.2% scope 1+2 by 2030 and -28% relevant scope 3 by 2030.

sustainability_report p.6

Primary: Office energy efficiency and renewable electricityData confidence — high

Office gas/electricity consumption at MML fell from 15.7m kWh (2019) to 7.6m kWh (2023). The programme of moving office energy to renewable and low-carbon sources is the main driver of the 35% combined Scope 1+2 reduction vs. 2019 baseline. JNB has switched site cabins to A/B EPC-rated units.

sustainability_report p.8

PAS 2080:2023 carbon management verificationData confidence — high

In April 2023 a major revision of PAS 2080 was launched. Mott MacDonald has been independently verified to PAS 2080:2023 (carbon management in buildings and infrastructure), having been certified as a designer since 2017. In 2023 JNB contracting business set up a working group to also become PAS 2080 certified contractor.

sustainability_report p.5

Social Value Management CertificateData confidence — high

In 2023 Mott MacDonald became the first engineering, management and development consultancy to be awarded the Social Value Management Certificate by Social Value International.

sustainability_report p.3

Primary: Business travel reduction via booking policyData confidence — high

In 2023 introduced non-compliance policy when booking flights travelling within mainland Britain — the first behaviour-change policy measure to reduce business travel emissions. Further measures to be informed by regional carbon reduction plans. Scope 3 business travel (MMGL) was 19,907 tCO2e in 2023, up from 15,919 in 2022 but down from 39,147 in 2019.

sustainability_report p.6

Primary: Office energy efficiency and low-carbon site operationsData confidence — high

Office energy emissions reduced via shift to renewable electricity contracts. JNB has generated significant energy efficiency improvements through switching to higher EPC-rated (A/B) site cabins for construction activities.

sustainability_report p.6

Dependent: Client decarbonisation through servicesData confidence — high

Working with clients such as Heathrow Airport as programme designers to plan and design projects that will reduce Heathrow's carbon footprint by 2.3 million tonnes by end of 2026. Considers core civil engineering skillset closely aligned to delivering decarbonisation and resilience. Expanding services across climate change resilience and transition.

sustainability_report p.3

Data optimisation tool and emission factor updates - recalculation of baselineData confidence — high

In 2023 deployed in-house data optimisation tool for the first time. Resulted in recalculation of previous year emissions including the 2019 baseline and 2022 figures for consistency. Changes due to automated tool (avoiding manual error), updates to emission factor libraries (e.g. discontinuation of scope 3 evaluator tool), and improved assumptions. Verified to ISO 14064.

sustainability_report p.7

Climate change added as principal riskData confidence — high

In 2023 the Board decided to include climate as one of the Group's principal risks; integrated climate risks into Governance and Enterprise Risk Management processes. First full climate-related financial disclosure (TCFD-aligned) included in MMGL's 2023 report.

sustainability_report p.5

100% renewable electricity for offices via regional procurementData confidence — high

Continuing to increase procurement of renewable energy for offices, driven by regional targets to achieve 100% renewable electricity. Reduction in scope 1 and 2 emissions attributed to programme of moving office energy to renewable and low-carbon sources. JNB contracting business is also delivering energy efficiency through higher EPC-rated (A/B) site cabins.

sustainability_report p.6

Dependent: Supplier engagement and low-carbon procurementData confidence — high

Engaging with suppliers on carbon reduction is a key element of the near-term SBT. Appointed a supplier to facilitate communications, engagement and data gathering from supply chain on carbon. Added carbon questions to due-diligence processes across the Group. Aim for 70% of suppliers by spend to have SBTs by 2027. Purchased goods and services (Cat 1) is the largest scope 3 category at 164,680 tCO2e (2023).

sustainability_report p.6

Primary: PAS 2080 embedded carbon management in designData confidence — high

PAS 2080:2023 verification used to embed carbon management in design decisions across infrastructure and buildings work. In 2023 set up a working group within JNB contracting business to pursue PAS 2080 certified contractor status. Embedding PAS 2080 principles in decision making is a key element of the net-zero plan for the contracting business.

sustainability_report p.6

2022· 33 events

Five-year global EDI strategyData confidence — high

Launched new five-year global equality, diversity and inclusion strategy; updated Group EDI policy to include non-discrimination across broad characteristics including LGBT+. Published first gender equality capability statement and second Reconciliation Action Plan in Australia.

sustainability_report p.4

Switching offices to renewable electricity suppliesData confidence — high

Group Carbon Reduction Plan includes switching to renewable energy supplies and driving energy efficiency across offices, and investigating alternative procurement sources for a low-carbon supply chain. Market-based Scope 2 emissions of 3,465 tCO2e in 2022 (vs 7,389 in 2019 baseline) reflect ongoing transition. No specific PPA or RE100 commitment disclosed.

sustainability_report p.5

Primary: Business travel reductionData confidence — high

Business travel is the largest growing Scope 3 category at MMGL (15,131 tCO2e in 2022 vs 6,280 in 2021 as travel rebounded post-Covid; baseline was 22,293 in 2019). Investigating low carbon travel choices and mechanisms to ensure staff can reduce their emissions; SBTi target requires 28% absolute reduction by 2030.

sustainability_report p.5

ISO 14064 verification and emissions scope expansionData confidence — high

As a result of undergoing verification of footprint to ISO 14064 and increasing the emissions scope, previous years' emission footprints slightly differ from previously reported. Cat 4 (upstream transportation) is now captured under categories 1 and 2.

sustainability_report p.5

Leadership transition - new Executive Chair and MDData confidence — high

Mike Haigh retired as Executive Chair on 31 July 2022 after 40 years. James Harris became Executive Chair and Cathy Travers was appointed Group Managing Director.

sustainability_report p.3

Single-use plastics reduction pledge - top 10 SUP by 65%Data confidence — high

Pledged to remove avoidable single-use plastics from the business; published first ever SUP report and is working across offices and suppliers to reduce the top 10 most used SUP by 65%. Partnering with Cradle to Cradle Products Innovation Institute.

sustainability_report p.4

Primary: Business travel reduction and low-carbon travel optionsData confidence — high

The Carbon Reduction Plan calls for investigating low carbon travel choices and mechanisms to ensure staff can reduce their emissions. However, business travel emissions rebounded sharply in 2022 (15,131 tCO2e vs 6,280 in 2021) as post-Covid travel resumed, remaining below the 2019 baseline of 22,293 tCO2e.

sustainability_report p.5

Primary: Employee commutingData confidence — high

Employee commuting emissions (Cat 7) of 10,232 tCO2e in 2022, included in SBTi 28% Scope-3 reduction target by 2030. Behavioural change programmes and low-carbon travel mechanisms are being investigated as part of the Group Carbon Reduction Plan.

sustainability_report p.5

Auditor changed from Grant Thornton to BDO LLPData confidence — high

In 2022 the fees for principal auditor relate to BDO LLP, while in 2021 the fees for principal auditor relate to Grant Thornton UK LLP, due to a change of auditor during the year.

sustainability_report p.38

Carbon credits as beyond-value-chain mitigationData confidence — med

Mott MacDonald supports BVCM through continuing to purchase carbon credits aligned to their purpose, framed as a supplement to (not substitute for) the SBTi-validated deep abatement plan. The report does not distinguish durable removals (DAC, BECCS, biochar) from avoidance credits, nor disclose volumes retired.

sustainability_report p.5

Dependent: JNB plant electrification and low-carbon plant hireData confidence — high

JN Bentley (UK contracting business) aspires to embed PAS 2080 across all design and construction projects, invest in low-carbon plant for its fleet, work with plant hire companies on the most sustainable options (e.g. solar hybrid), and roll out a vehicle fleet electrification roadmap under the Mott MacDonald Bentley Contracting joint venture.

sustainability_report p.5

SBTi-validated net zero by 2040 targetData confidence — high

In 2022 the directors approved science-based targets validated by SBTi: net zero across the value chain by 2040 from a 2019 base year, with near-term targets of 46.2% reduction in absolute Scope 1+2 by 2030 and 28% reduction in specified Scope 3 categories.

sustainability_report p.5

Switching to renewable energy supplies across officesData confidence — high

The Group Carbon Reduction Plan explicitly includes 'switching to renewable energy supplies and driving energy efficiency across our offices' as a core lever, alongside investigating alternative procurement sources to ensure a low carbon supply chain. Specific PPA volumes or RE100 commitment are not disclosed.

sustainability_report p.5

Dependent: JN Bentley vehicle fleet electrificationData confidence — high

JN Bentley aspires to embed PAS 2080 across all design and construction projects, continue to invest in low carbon plant for its fleet, work with plant hire companies to ensure sustainable plant including solar hybrid solutions, and communicate the Mott MacDonald Bentley Contracting (MMBC) electrification roadmap for the company vehicle fleet to become fully electric.

sustainability_report p.5

Leadership transition: Mike Haigh retired, James Harris became Executive ChairData confidence — high

Mike Haigh retired as Group Executive Chair on 31 July 2022. James Harris became Executive Chair and Cathy Travers was appointed Group Managing Director (1 January 2022). Board reduced from larger size to five executive directors.

sustainability_report p.3

2019 baseline restated under ISO 14064Data confidence — high

As part of ISO 14064 verification and increasing emissions scope, the 2019 baseline emissions were restated. MMGL total in-scope GHG baseline now 281,779 tCO2e.

sustainability_report p.6

Primary: Beyond value chain mitigation via carbon creditsData confidence — high

The Group Carbon Reduction Plan is supplemented by commitment to support beyond value chain mitigation (BVCM), a key requirement on the journey to net zero according to SBTi. Mott MacDonald endeavours to support BVCM through continuing to purchase carbon credits which align to their purpose.

sustainability_report p.5

Dependent: Supplier engagement on science-based targetsData confidence — high

MMGL commits that 70% of suppliers by spend covering purchased goods and services, capital goods and upstream transportation and distribution will have science-based targets by 2027. Purchased goods & services (Scope 3 Cat 1) is by far the largest emissions category at 136,281 tCO2e in 2022 (~74% of Scope 3).

sustainability_report p.5

Primary: Office energy efficiency and switch to renewablesData confidence — high

The Group Carbon Reduction Plan includes switching to renewable energy supplies and driving energy efficiency across our offices. Scope 2 market-based electricity emissions remain modest (3,465 tCO2e in 2022) reflecting renewable procurement, while office gas/fuel scope 1 fell from 13,375 to 7,819 tCO2e year-on-year.

sustainability_report p.5

New five-year global EDI strategy launchedData confidence — high

A new five-year global equality, diversity and inclusion strategy was developed in 2022, including non-discrimination commitments covering LGBT+ characteristics. First gender equality capability statement was launched.

sustainability_report p.4

Retained PAS 2080 carbon management certificationData confidence — high

In 2022 Mott MacDonald retained global certification to PAS 2080, the globally recognised carbon management specification for the infrastructure industry, and co-authored an update to the PAS 2080 certification.

sustainability_report p.4

SBTi-validated net-zero by 2040 target approvedData confidence — high

In 2022 the directors approved SBTi-validated science-based targets to reach net zero across the value chain by 2040 from a 2019 base year. Near-term targets: reduce absolute scope 1+2 GHG 46.2% by 2030; reduce scope 3 from fuel/energy, waste, business travel and employee commuting 28% by 2030. Long-term: 90% reduction in scope 1, 2 and 3 by 2040. Also commits 70% of suppliers by spend to have SBTs by 2027.

sustainability_report p.5

Dependent: Supplier engagement on purchased goods & servicesData confidence — high

Purchased goods and services (Cat 1) dominate Scope 3 at 136,281 tCO2e in 2022 (down from 199,446 in 2019). MMGL commits that 70% of suppliers by spend covering purchased goods, capital goods and upstream transport will have science-based targets by 2027.

sustainability_report p.5

Primary: Office energy efficiency and fuel-switchingData confidence — high

Office gas, fuel and fugitive emissions (Scope 1) fell from 13,947 tCO2e in 2019 to 7,819 in 2022. Plan focuses on improved data, renewable electricity procurement and energy efficiency across the office estate.

sustainability_report p.5

Beyond Value Chain Mitigation via carbon creditsData confidence — high

Group Carbon Reduction Plan is supplemented by a commitment to support Beyond Value Chain Mitigation (BVCM) — an SBTi requirement on the journey to net zero. Mott MacDonald endeavours to support BVCM by continuing to purchase carbon credits aligned to its purpose. The report frames this as offsets/insurance rather than durable removals (DAC/BECCS); volumes and vintages not disclosed.

sustainability_report p.5

Executive Chair transitionData confidence — high

Mike Haigh retired as Group Executive Chair on 31 July 2022 after 40 years; James Harris became Executive Chair and Cathy Travers was appointed Group Managing Director.

sustainability_report p.3

Added grey fleet (personal vehicles on business use) to JNB Scope 3Data confidence — high

JNB grey fleet emissions (1,892 tCO2e in 2022) and energy use were 'not previously calculated' in the 2019 baseline; now included in business travel reporting, expanding the climate disclosure boundary.

sustainability_report p.6

SBTi-validated net-zero by 2040 targetData confidence — high

In 2022, the directors approved science-based targets for decarbonising the Group to achieve net-zero emissions by 2040. SBTi has verified MMGL's near-term targets: 46.2% reduction in absolute Scope 1+2 by 2030, 28% reduction in absolute Scope 3 (fuel/energy, waste, business travel, employee commuting) by 2030, and 90% reduction by 2040 — all from a 2019 base year.

sustainability_report p.5

PAS 2080 certification retainedData confidence — high

Mott MacDonald retained global certification to PAS 2080 (carbon management specification for infrastructure) and co-authored an update to the standard.

sustainability_report p.4

Single-use plastics reduction commitmentData confidence — high

Pledged to remove avoidable single-use plastics from the business; published first single-use plastics (SUP) report and committed to reducing the top 10 most-used SUP items by 65%. Partnering with Cradle to Cradle Products Innovation Institute for circular product innovation.

sustainability_report p.4

ISO 14064 verification with prior-year restatementData confidence — high

Global carbon footprint underwent external verification to ISO 14064 and emissions scope was increased; previous years' emission footprints (including 2021 and 2019 baseline) slightly differ from what had been reported in previous years.

sustainability_report p.5

ISO 14064 verification with restated prior-year footprintsData confidence — high

As a result of undergoing the verification of the footprint to ISO 14064 and increasing the emissions scope, the previous years' emission footprints slightly differ to what has been reported in previous years.

sustainability_report p.5

Public GHG reporting expanded to full global footprintData confidence — high

Expanded public GHG reporting to incorporate the full global carbon footprint (MMGL) in addition to SECR-required UK figures. Includes additional Scope 3 categories aligned to SBTi targets.

sustainability_report p.6

2021· 26 events

Primary: Business travel reduction — reducing intercontinental flightsData confidence — high

Reducing intercontinental travel is a stated lever. Updated the Travel Policy and initiated behavioural change to support low carbon modes of transport. A carbon incentivisation scheme is being investigated. MML business travel — car emissions fell from 836 tCO2e (2020) to 512 tCO2e (2021).

sustainability_report p.5

Net zero by 2040 commitment for MML and JNBData confidence — high

In 2021, MML including JNB committed to net zero across scope 1, 2 and 3 emissions by 2040. JNB additionally aspires to be net zero for scope 1 and 2 (direct) emissions by 2030. Mott MacDonald Group also joined Race to Zero, the UN initiative.

sustainability_report p.6

Auditor change from Grant Thornton to BDO LLPData confidence — high

Following review, Grant Thornton UK LLP is not to be reappointed following the conclusion of the 31 December 2021 audit, and BDO LLP is being appointed to undertake the audit for year ended 31 December 2022.

sustainability_report p.21

Joined Powering Past Coal Alliance and Race to ResilienceData confidence — high

Mott MacDonald joined the Powering Past Coal Alliance, building on existing commitment to not work on new coal-fired power projects, and joined Race to Resilience as a partner of the Coalition for Climate Resilient Investment.

sustainability_report p.6

Net zero by 2040 commitment (MML + JNB)Data confidence — high

In 2021, MML including JNB committed to net zero by 2040 across all scopes. JNB additionally aspires to net zero scope 1 & 2 by 2030. Net-zero plan due for publication by June 2022.

sustainability_report p.6

PAS 2060 carbon neutrality maintained; JNB achieves carbon neutral statusData confidence — high

Mott MacDonald Group continues to be externally certified carbon neutral under PAS 2060. In 2021, JNB achieved externally certified carbon neutral status. 2019 and 2020 footprints offset through restoration of peatland in Indonesia.

sustainability_report p.6

Joined Race to Zero and Powering Past Coal AllianceData confidence — high

Mott MacDonald joined the UN Race to Zero initiative and the Powering Past Coal Alliance, committing to not work on new coal-fired power projects.

sustainability_report p.5

JN Bentley Pension Scheme merged with MMPSData confidence — high

On 31 December 2021, JN Bentley Pension and Life Assurance Scheme was merged with Mott MacDonald Pension Scheme, with £20.5m DBO transferred and £15.6m plan assets.

sustainability_report p.48

Auditor change: Grant Thornton not reappointed; BDO to audit FY2022Data confidence — high

Following the conclusion of the 31 December 2021 audit, Grant Thornton UK LLP is not to be reappointed; BDO LLP appointed to audit 2022 financial statements.

sustainability_report p.21

Peatland restoration offsetting; developing own offsetting projectsData confidence — high

The 2019 and 2020 carbon footprints were offset through the restoration of peatland in Indonesia. The firm is committed to driving down the need to offset, progressively improving the quality of offsets purchased, and is developing partnerships with NGOs and its own projects for offsetting in the longer term — meaning it will no longer pay third parties to cancel its carbon emissions. Maintaining PAS 2060 certification.

sustainability_report p.6

Primary: Hired vehicle fleet electrificationData confidence — high

Switching hired vehicles to a hybrid/electric fleet where fuelling/charging infrastructure exists. JNB is communicating with the supply chain on the MMBC electrification roadmap so the company vehicle fleet will become fully electric.

sustainability_report p.6

Dependent: Low-carbon supply chain procurementData confidence — high

Investigating alternative sources for procurement to ensure only low carbon choices are made, with a low-carbon supply chain a stated objective in the carbon neutral plan.

sustainability_report p.5

Switching offices to renewable energy supplies globally; UK reached 89%Data confidence — high

Mott MacDonald is moving towards renewable energy in offices globally, supporting regional uptake of renewable energy, with the UK reaching 89% renewable supply. The firm intends to switch offices over to renewable energy, where possible, as soon as possible, as part of its carbon neutral plan.

sustainability_report p.5

Primary: Business travel reduction — reduce intercontinental flightsData confidence — high

The firm updated its Travel Policy and initiated behavioural change to support low carbon modes of transport. Specifically aims to reduce business travel flights and reduce intercontinental travel. Business travel emissions fell from 836 to 512 tCO2e at MML in 2021.

sustainability_report p.5

Primary: Office energy efficiency and renewable switchingData confidence — high

Improving sustainability of offices by improving energy efficiency, switching to renewable energy, minimising waste and reducing single-use plastics. Total energy consumption fell from 61.7 GWh to 55.5 GWh year on year.

sustainability_report p.6

Dependent: Internal carbon incentivisation scheme for staffData confidence — high

Investigating an internal carbon reduction incentivisation scheme and low carbon choices and mechanisms to ensure staff can reduce their emissions.

sustainability_report p.6

PAS 2060 Carbon Neutral certification maintained; JNB achieved certified carbon neutral statusData confidence — high

Mott MacDonald continues to offset residual emissions and is certified under PAS 2060 (international standard for carbon neutrality). In 2021, JN Bentley achieved externally certified carbon neutral status. 2019 and 2020 footprints externally verified by Carbon Trust and ISO 14064 compliant.

sustainability_report p.6

Carbon Trust verification expanded emissions scope; 2020 figures restatedData confidence — high

As a result of undergoing verification with the Carbon Trust, increasing the emissions scope and reporting market-based figures, the 2020 footprints in tables 1 and 2 slightly differ from those reported in the previous year's SECR report.

sustainability_report p.7

Joined Race to Zero, Powering Past Coal Alliance, CCRIData confidence — high

Mott MacDonald joined Race to Zero (UN initiative), the Powering Past Coal Alliance (no new coal-fired power projects), and is a partner of the Coalition for Climate Resilient Investment (CCRI) — sister campaign to Race to Resilience.

sustainability_report p.5

JN Bentley pension scheme merged with MMPSData confidence — high

On 31 December 2021, the JN Bentley Pension and Life Assurance Scheme was merged with the Mott MacDonald Pension Scheme, aimed at reducing risk and volatility, targeting cost savings of up to £200,000 per annum.

sustainability_report p.9

Switching offices to renewable energy supplies; UK reached 89% in 2021Data confidence — high

Mott MacDonald continues to actively manage own carbon emissions by switching to renewable energy supplies and improving energy efficiency in offices. Support for regional uptake of renewable energy was also provided, with the UK reaching 89% renewable energy. The plan includes switching offices over to renewable energy where possible as soon as possible.

sustainability_report p.4

Primary: Office energy efficiency and renewable electricity switchingData confidence — high

Improving sustainability of offices by improving energy efficiency, switching to renewable energy, minimising waste and reducing single-use plastics. Office energy (electricity and fuel) totalled 9.27 GWh for MML and 0.63 GWh for JNB in 2021.

sustainability_report p.6

Primary: Fleet electrification — hybrid/electric hired vehicles and JNB plantData confidence — high

Switching hired vehicles to a hybrid/electric fleet where fuelling/charging infrastructure exists. JNB continues to invest in greener plant for its plant fleet and is communicating with the wider business and supply chain on the MMBC electrification road map of how the company vehicle fleet will become fully electric in the coming years.

sustainability_report p.7

Dependent: Client-side decarbonisation via digital and engineering servicesData confidence — high

Working on delivery of some of the world's largest clean infrastructure and renewable energy projects, including NortH2 (largest green hydrogen project in Europe) as technical integration and optimisation contractor. Supporting governments to create their own version of UK's 2050 energy and emissions model. Moata Smart Energy digital offering helps renewable energy clients optimise investment. Ultra-low carbon alternatives to Portland cement were explored on the Northern Line Extension.

sustainability_report p.3

Auditor change — Grant Thornton not reappointed; BDO appointed for FY2022Data confidence — high

Grant Thornton UK LLP is not to be reappointed following conclusion of 31 December 2021 audit; BDO LLP appointed to undertake audit of 31 December 2022 financial statements.

sustainability_report p.21

PAS 2060 offsets via peatland restoration; developing own removal projectsData confidence — high

The 2019 and 2020 carbon footprints of Mott MacDonald Group were offset through the restoration of peatland in Indonesia. The firm is committed to driving down the need to offset as fast as possible, progressively improving the quality of the offsets it buys, and developing its own projects for offsetting in the longer term (meaning the firm will no longer pay third parties to cancel its carbon emissions). Currently uses PAS 2060 certified offsets for residual emissions.

sustainability_report p.6

2020· 35 events

Net-zero by 2040 commitment & SBTi alignmentData confidence — high

In 2020, Mott MacDonald Group committed to Science Based Targets aligned with a 1.5°C pathway and to continue to offset its carbon footprint to be carbon neutral. Made a commitment to net-zero by 2040 for the whole Group.

sustainability_report p.6

Peatland restoration offsets transitioning to own removal projectsData confidence — high

The 2019 carbon footprint of Mott MacDonald Group was offset through the restoration of peatland in Indonesia. The Group is developing partnerships with NGOs and its own Mott MacDonald projects for offsetting in the longer term — enabling transition from carbon neutral to net-zero. No durable removals (DAC/BECCS) disclosed; current offsets are nature-based (peatland).

sustainability_report p.4

Primary: Business travel reductionData confidence — high

Reducing business travel flights is a stated activity in the carbon neutral plan. In 2020, business travel car emissions were 840 tCO2e on 2,692,463 kWh of business travel car energy. COVID-19 lockdowns indirectly reduced travel-related emissions.

sustainability_report p.6

Primary: Office energy efficiency and renewable transitionData confidence — high

Mott MacDonald is moving towards renewable energy in offices to reduce Scope 2 emissions (1,479 tCO2e location-based in 2020 across MML + JNB) and office gas (Scope 1: 885 tCO2e combined).

sustainability_report p.6

Dependent: Client project carbon management (PAS 2080)Data confidence — high

Mott MacDonald is externally verified to PAS 2080 for including carbon management considerations in the projects it delivers for clients globally. Through its consultancy role (e.g., advising Highways England on net-zero strategy across 4,300-mile road network), the firm aims to influence client-project embodied and operational carbon — a major dependent decarb lever for an engineering consultancy.

sustainability_report p.3

Dependent: Low-carbon construction plant supply chain (JN Bentley)Data confidence — high

JN Bentley aspires to continue investment and collaboration with companies/manufacturers to secure sustainable, low-carbon plant. Plant energy is the dominant Scope 1 emission source (10,061 tCO2e) for JNB.

sustainability_report p.6

Net-zero by 2040 commitment for Mott MacDonald GroupData confidence — high

In March 2020, Mott MacDonald Group committed to net-zero by 2040 for the whole Group, aligned with Science Based Targets initiative 1.5°C pathway.

sustainability_report p.3

Science Based Targets commitmentData confidence — high

In 2020, Mott MacDonald Group Limited committed to Science Based Targets, aligned with a 1.5°C pathway, and to continue to offset its carbon footprint to be carbon neutral.

sustainability_report p.6

Move offices to renewable energy as part of carbon neutral planData confidence — high

As part of its carbon neutral plan to support the net-zero by 2040 commitment, Mott MacDonald is moving towards renewable energy in its offices. This is one of several distinct activities including more robust carbon management, reducing business travel flights, switching hired vehicles to hybrid/electric fleet, and exploring an internal carbon reduction incentivisation scheme.

sustainability_report p.6

Primary: Fleet electrification / hybrid switchData confidence — high

Mott MacDonald is switching hired vehicles to a hybrid/electric fleet. JN Bentley aspires to transition to a fully electric company vehicle fleet as set out by the Electrification Roadmap. Company vehicle Scope 1 emissions were 1,208 tCO2e in 2020.

sustainability_report p.6

Dependent: Sustainable low-carbon construction plant (JNB)Data confidence — high

JN Bentley aspires to continue investment and collaboration with companies/manufacturers to secure sustainable, low-carbon plant. Plant energy (gas oil, diesel and petrol) accounted for 10,061 tCO2e Scope 1 emissions in 2020 — the dominant emissions source in the consolidated footprint.

sustainability_report p.6

Primary: Vehicle fleet electrificationData confidence — high

Switch hired vehicles to a hybrid/electric fleet. JN Bentley aspires to transition to a fully electric company vehicle fleet per the Electrification Roadmap. JN Bentley plant energy (gas oil, diesel, petrol) accounts for 10,061 tCO2e — the largest single Scope 1 source.

sustainability_report p.6

Primary: Office energy efficiency & renewable switchData confidence — high

Reduce emissions from office gas and electricity (combined 9.7m kWh in UK consultancy) by moving towards renewable energy procurement in offices. Forms part of the carbon-neutral plan.

sustainability_report p.6

Moving towards renewable energy in officesData confidence — high

Mott MacDonald's carbon-neutral plan includes 'moving towards renewable energy in our offices' as one of five key activities. The 2019 footprint was offset by Carbon Trust via peatland restoration in Indonesia. No PPA / RE100 / explicit % renewable target stated for the reporting year.

sustainability_report p.6

COVID-19 pandemic impactData confidence — high

COVID-19 fundamentally disrupted operations. Despite this, gross revenue grew 4% to £799m and operating profit rose to £43m (from £13m) due to cost savings. Business travel and office energy use significantly reduced; furlough money was repaid by year end.

sustainability_report p.7

PAS 2060 carbon neutral certification by Carbon TrustData confidence — high

Mott MacDonald's global consultancy business was certified carbon neutral to PAS 2060 by the Carbon Trust in 2020. The 2019 carbon footprint of Mott MacDonald Group was offset through restoration of peatland in Indonesia. Also received ISO 14064 certification for carbon reporting and was externally verified to PAS 2080.

sustainability_report p.6

External verification by Carbon Trust and ISO 14064 complianceData confidence — high

2019 and 2020 global carbon footprints underwent external verification by the Carbon Trust and were verified ISO 14064 compliant. JNB achieved externally certified carbon neutral status in 2021.

sustainability_report p.6

Net-zero by 2040 target set for Mott MacDonald GroupData confidence — high

In March 2020, Mott MacDonald Group committed to Science Based Targets aligned with a 1.5°C pathway and to net-zero greenhouse gas emissions by 2040 for the whole Group, with a roadmap covering operations, advocacy and projects.

sustainability_report p.3

2020 footprint restated to include market-based scope 2 and increased emissions scopeData confidence — high

As a result of undergoing the verification of the footprint with the Carbon Trust, increasing the emissions scope and reporting market-based figures, the 2020 footprints in tables 1 and 2 slightly differ to what was reported in the previous years' SECR report.

sustainability_report p.7

Science Based Targets commitment aligned with 1.5°C pathwayData confidence — high

In 2020, Mott MacDonald Group Limited committed to Science Based Targets aligned with a 1.5°C pathway and continues to offset its carbon footprint and be carbon neutral.

sustainability_report p.6

2021 commitment to develop net-zero roadmap and review definitionData confidence — high

Company committed in 2021 to review its definition of net-zero in light of new authoritative insight (e.g. SBTi), develop an underlying roadmap covering operations, advocacy and projects, and embed Science Based Targets reporting.

sustainability_report p.3

COVID-19 cost savings drove unusually high 2020 profitData confidence — high

Operating profit jumped from £13.3m (2019) to £42.8m (2020), a 220% increase, primarily due to pandemic response cost-cutting (headcount reductions, temporary salary cuts, reduced travel). Revenue grew only 4%. No dividend paid in 2020 (vs £12.5m in 2019).

sustainability_report p.7

First SECR disclosure - UK only, no prior-year comparisonData confidence — high

This is the company's first Streamlined Energy and Carbon Reporting (SECR) disclosure. Footnote states 'Year-on-year comparison data for the UK will be included in future reports.' Reporting boundary is UK operations only (Mott MacDonald Limited + JN Bentley), under financial control approach.

sustainability_report p.6

Global consultancy business certified carbon neutral (PAS 2060)Data confidence — high

In 2020 the Group's global consultancy business was externally certified carbon neutral to PAS 2060 by the Carbon Trust. The 2019 carbon footprint was offset through restoration of peatland in Indonesia. Also received ISO 14064 certification.

sustainability_report p.6

Restated 2020 figures – change in tax relief allocation policyData confidence — high

2020 has been restated following a change in accounting policy related to allocation of tax relief on pension contributions between income statement and other comprehensive income. Tax charge for 2020 increased from £7,086,000 to £11,455,000.

sustainability_report p.40

Group commitment to Science Based Targets aligned with 1.5°CData confidence — high

In 2020, Mott MacDonald Group Limited committed to Science Based Targets, aligned with a 1.5°C pathway, and to continue to offset its carbon footprint and be carbon neutral.

sustainability_report p.6

Restated 2020 tax/accounting policy on pension contributionsData confidence — high

Company changed accounting policy on allocation of current tax relief on pension contributions; 2020 comparatives restated. Tax charge for 2020 increased from £7,086,000 to £11,455,000.

sustainability_report p.39

Restated 2020 SECR footprint to include market-based and broader scopeData confidence — high

As a result of verification with Carbon Trust, the 2020 SECR footprints were restated to increase emissions scope and report market-based figures, slightly differing from prior years' SECR report.

sustainability_report p.7

Aligned social outcomes tools with UN 17 SDGsData confidence — high

Mott MacDonald committed to aligning its social outcomes tools and actions with the 17 United Nations Sustainable Development Goals.

sustainability_report p.5

Dependent: Client project decarbonisation advisoryData confidence — high

Acts as sustainability and net-zero carbon advisor on client projects (e.g. UK hospital trust, Highways England 4,300-mile road network net-zero strategy, BEIS 2050 Calculator £3m three-year programme). Externally verified to PAS 2080 for embedding carbon management in client project delivery.

sustainability_report p.3

Primary: Internal carbon reduction incentivisationData confidence — med

Exploring potential for an internal carbon reduction incentivisation scheme as part of more robust carbon management. Still at exploratory stage.

sustainability_report p.6

Primary: Business travel flight reductionData confidence — high

Carbon-neutral plan explicitly includes 'reduce business travel flights'. COVID-19 dramatically constrained business travel in 2020. Scope 3 car travel reported at 840 tCO2e for UK consultancy.

sustainability_report p.6

Peatland restoration offsets transitioning to in-house removal projectsData confidence — high

The 2019 carbon footprint of Mott MacDonald Group was offset through restoration of peatland in Indonesia (nature-based). The firm is developing partnerships with NGOs and its own Mott MacDonald projects for offsetting in the longer term — enabling transition from carbon neutral to net-zero by 2040. No durable removals (DAC/BECCS) mentioned.

sustainability_report p.4

Reporting boundary clarification — UK only SECRData confidence — high

SECR covers UK operations of Mott MacDonald Limited and JN Bentley only (financial control approach). Year-on-year UK comparison data will only be included in future reports — 2020 is first such disclosure.

sustainability_report p.6

Aligned with 17 UN Sustainable Development GoalsData confidence — high

Committed to aligning social outcomes tools and actions with the 17 United Nations Sustainable Development Goals to demonstrate commitment to this international agenda.

sustainability_report p.5

2019· 1 event

2019 baseline established for SECR scope 1, 2 and business travel emissionsData confidence — high

Mott MacDonald Limited uses 2019 as its baseline year for SECR reporting (scope 1, scope 2 market-based, and scope 3 business travel from hire vehicles). Total in-scope emissions have fallen from 6,437 tCO2e in 2019 to 3,531 tCO2e in 2024.

sustainability_report p.6