Sustainability reporting has become an increasingly important part of how organisations demonstrate accountability, manage risk and communicate long-term value. What was once largely a voluntary exercise is now shaped by evolving regulatory expectations, investor scrutiny and growing demand for transparent environmental, social and governance (ESG) disclosures.
Across the UK, organisations can choose from a broad range of sustainability reporting providers. Some specialise in ESG strategy and climate reporting, while others combine sustainability advisory with audit, assurance, risk management and broader financial consulting services. The right approach often depends on an organisation's size, industry, reporting obligations and wider governance priorities.
This guide highlights a selection of sustainability reporting services providers operating in the UK. Rather than ranking firms, the aim is to provide practical context, introducing organisations that support businesses with sustainability reporting, regulatory compliance and ESG disclosure, while outlining the different areas of expertise they bring to the market.
Acumon
Acumon is a UK firm of chartered accountants and advisors providing sustainability reporting services to companies and organisations across the UK.
The firm works with organisations ranging from growing owner-managed businesses through to larger corporate groups operating across the UK and internationally. Sustainability reporting services are designed to support financial reporting, governance and business reporting requirements.
Acumon provides sustainability reporting services alongside risk management, governance, internal audit and business advisory support. Services are delivered through a structured approach designed to support accurate reporting, effective governance and ongoing regulatory compliance.
Acumon holds a Public Interest Entity (PIE) audit licence, enabling the firm to support organisations subject to enhanced regulatory oversight in the United Kingdom. In addition to its UK statutory audit registration, the firm also maintains audit licences in the Cayman Islands, British Virgin Islands (BVI), Jersey and Isle of Man, supporting clients with international structures and cross-border reporting requirements.
Sustainability reporting is becoming an increasingly important part of corporate reporting and governance for many organisations. Developing consistent reporting processes and maintaining reliable information can help businesses support governance, stakeholder reporting and regulatory requirements.
Acumon works with business owners, finance teams and management teams to support reporting requirements while helping organisations strengthen governance arrangements, risk management and financial controls.
Sustainability Reporting Capabilities
Acumon provides sustainability reporting services across a wide range of organisations.
These include:
- UK companies and corporate groups
- owner-managed businesses and growing companies
- regulated organisations and Public Interest Entities (PIEs)
- international businesses and group structures
- finance teams and management teams
- organisations strengthening governance frameworks
Sustainability reporting engagements are typically led by experienced professionals with direct involvement throughout the engagement.
Regulatory Licences and Registrations
Acumon holds several audit registrations that enable it to support organisations operating across multiple jurisdictions.
These include:
- UK statutory audit registration
- Public Interest Entity (PIE) audit licence
- Jersey audit licence
- Isle of Man audit licence
- Cayman Islands audit licence
- British Virgin Islands audit licence
These registrations allow the firm to support organisations operating across both the UK and key international financial centres.
Core Services
In addition to sustainability reporting services, Acumon provides a range of services that support governance, reporting and business assurance.
These include:
- sustainability reporting services
- risk management
- governance and internal audit support
- statutory external audit
- group and subsidiary audits
- Public Interest Entity (PIE) audits
- charity and not-for-profit audit
- business advisory and risk assurance
- company secretarial and compliance support
Sustainability reporting work is often delivered alongside discussions with management regarding governance, risk management and business reporting processes.
Many organisations seek sustainability reporting support as reporting requirements evolve, governance frameworks develop or stakeholder reporting expectations increase.
Acumon works with businesses that are:
- strengthening governance arrangements
- improving business reporting
- enhancing risk management
- supporting business growth
- maintaining regulatory compliance
Early engagement can help ensure that sustainability reporting processes remain aligned with governance objectives, reporting requirements and business needs.
Contact Information
- Website: acumon.com
- Email: mail@acumon.com
- Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK
- Phone: 020 8567 3451
Leyton
Leyton includes sustainability reporting as part of its wider carbon and ESG advisory services, with a focus on helping organisations understand, measure and report their environmental performance. Their approach covers the full reporting process, from establishing a carbon emissions baseline through to preparing disclosures that align with UK reporting requirements and business objectives. Sustainability reporting is presented as an ongoing process that combines measurement, planning and practical actions to support long-term environmental goals.
Alongside reporting, they place emphasis on carbon data, energy use and regulatory compliance. Their sustainability work covers areas such as SECR, ESOS and Climate Change Agreements, while reports are designed to support board discussions, investor communications and compliance activities. The reporting process is structured around carbon measurement, emissions tracking and the development of net zero plans, giving organisations a clearer picture of their environmental performance and future priorities.
Key Highlights:
- UK sustainability reporting and ESG advisory services
- Support for SECR, ESOS and Climate Change Agreements
- Carbon reporting covering Scope 1, Scope 2 and Scope 3 emissions
- Sustainability reporting linked with net zero planning
- Carbon consultants supporting energy and emissions reporting
- Reporting designed for governance, compliance and stakeholder communication
Services:
- Sustainability reporting
- ESG reporting
- Energy and carbon reporting
- Carbon emissions tracking
- Scope 1, 2 and 3 emissions measurement
- Net zero pathway planning
- Board and investor sustainability reporting
- Audit-ready sustainability reporting
Contact Information
- Website: leyton.com
- LinkedIn: www.linkedin.com/company/leyton
- Twitter: x.com/LeytonUK
- Address: Harmsworth House, 1st Floor, 13-15 Bouverie Street, London EC4Y 8DP
- Phone: +44 207 043 2300
KPMG
KPMG approaches sustainability reporting through the wider context of ESG reporting, corporate governance and financial reporting. Their services are designed to support organisations as reporting requirements continue to develop across the UK and internationally. The focus is on preparing sustainability disclosures that are consistent, transparent and aligned with recognised reporting standards, while reflecting the different needs of listed companies, private businesses and financial institutions.
The scope of their work covers both regulatory compliance and reporting quality. Sustainability reporting is linked with climate disclosures, carbon accounting, CSRD and ISSB requirements, alongside assurance and governance considerations. They also address the growing demand for ESG information from regulators, investors and other stakeholders by helping organisations strengthen reporting processes and improve the reliability of sustainability data.
Key Highlights:
- Sustainability reporting for UK and international reporting requirements
- Support for listed and private organisations
- Experience with CSRD, ISSB and UK Sustainability Reporting Standards
- ESG reporting integrated with accounting and governance
- Climate reporting and carbon accounting capabilities
- Sustainability reporting for financial services organisations
Services:
- Sustainability reporting
- ESG reporting
- CSRD reporting support
- ISSB and UK Sustainability Reporting Standards support
- Climate reporting
- Carbon accounting
- Sustainability assurance
- ESG reporting for financial services
Contact Information
- Website: kpmg.com
- Twitter: x.com/kpmguk
- LinkedIn: www.linkedin.com/company/kpmg-uk
- Address: 1 Marischal Square, Broad Street, Aberdeen, AB10 1DD
- Phone: +44 (0)1224 591 000
Menzies
Menzies presents sustainability reporting as a way for organisations to communicate their environmental, social and governance performance in a clear and structured format. Their reporting services cover both mandatory and voluntary reporting requirements, helping businesses prepare reports that reflect recognised frameworks while supporting wider governance and accountability objectives.
A significant part of their approach is adapting reporting to different industries and reporting standards. Sustainability reporting is combined with stakeholder communication, ESG performance tracking and framework alignment, allowing organisations to present measurable progress over time. Their work also considers the practical side of reporting, including collecting information, organising disclosures and reducing the risk of unclear or unsupported sustainability claims.
Key Highlights:
- UK sustainability reporting and ESG advisory services
- Reporting aligned with international sustainability frameworks
- Support for mandatory and voluntary sustainability reporting
- Industry-specific sustainability reporting guidance
- ESG performance tracking and reporting
- Sustainability communication and disclosure support
Services:
- Sustainability reporting
- CSRD reporting
- TCFD reporting
- SECR reporting
- GRI reporting
- CDP reporting
- Sustainability communications
- ESG performance reporting
Contact Information
- Website: www.menzies.co.uk
- LinkedIn: www.linkedin.com/company/menzies-llp
- Instagram: www.instagram.com/menzies_llp
- Address: The Colmore Building, 20 Colmore Circus Queensway, Birmingham B4 6AT
- Phone: +44 (0)333 091 0411
AAB
AAB focuses on sustainability reporting as a practical process built around reliable ESG data and recognised reporting frameworks. Their approach centres on helping organisations improve the quality of sustainability information before it is shared with regulators, investors and other stakeholders. Carbon accounting forms an important part of this work, giving businesses a clearer understanding of the environmental data that supports their reporting.
Beyond regulatory reporting, they connect sustainability reporting with business decision-making by turning ESG information into meaningful performance insights. Their methodology includes data collection, emissions measurement and reporting processes that support transparency and consistency. Sustainability disclosures are positioned as part of wider governance and long-term business planning rather than as a standalone reporting exercise.
Key Highlights:
- ESG reporting based on recognised reporting frameworks
- Carbon accounting integrated with sustainability reporting
- Focus on reporting quality and data consistency
- Sustainability disclosures for regulatory and investor requirements
- Reporting supported by structured ESG data collection
- Sustainability reporting linked with business decision-making
Services:
- Sustainability reporting
- ESG reporting
- Carbon accounting
- ESG data management
- Sustainability disclosure preparation
- IFRS sustainability reporting support
- ESG reporting framework alignment
- Sustainability performance reporting
Contact Information
- Website: aab.uk
- Facebook: www.facebook.com/AABLLP
- Twitter: x.com/AABGroup_
- LinkedIn: www.linkedin.com/company/aab-accountants
- Instagram: www.instagram.com/_aabgroup
- Address: One The Square, Bristol, BS1 6DG
- Phone: +44 (0) 117 214 0369
Moore Kingston Smith
Moore Kingston Smith approaches sustainability reporting through the wider areas of ESG strategy, regulatory compliance and assurance. Their reporting services are designed for organisations operating in the UK and internationally, taking into account different reporting obligations across jurisdictions. Sustainability reporting is closely connected with governance, climate reporting and greenhouse gas emissions data.
Their work covers the preparation of sustainability disclosures under recognised reporting standards, while also supporting organisations with data quality, reporting processes and assurance. Alongside annual sustainability reports, they assist with greenhouse gas reporting, double materiality assessments and reporting readiness for evolving UK and international regulations. Sustainability reporting is presented as part of a broader ESG framework that combines reporting, strategy and independent assurance.
Key Highlights:
- Sustainability reporting for UK and international organisations
- Support for multiple reporting frameworks and regulations
- Greenhouse gas reporting across Scope 1, 2 and 3 emissions
- ESG reporting combined with assurance services
- Experience with multi-jurisdiction reporting requirements
- Sustainability reporting linked with governance and compliance
Services:
- Sustainability reporting
- Climate reporting
- CSRD reporting
- ISSB reporting
- SECR reporting
- GHG emissions reporting
- Sustainability assurance
- Double materiality assessments
Contact Information
- Website: mooreks.co.uk
- Twitter: x.com/MooreKSLLP
- LinkedIn: www.linkedin.com/company/moore-kingston-smith
- Address: 6th Floor, 9 Appold Street, London, EC2A 2AP
- Phone: +44 (0)20 4582 1000
PwC
PwC addresses sustainability reporting through the UK's evolving Sustainability Disclosure Requirements and broader ESG reporting landscape. Their content focuses on how organisations can prepare for changing reporting obligations by strengthening governance, sustainability data and reporting processes. Sustainability reporting is viewed as part of corporate reporting, linking sustainability-related risks and opportunities with business performance.
The emphasis is on helping organisations understand new reporting requirements and prepare for future regulatory developments based on ISSB standards and UK sustainability disclosures. Their sustainability reporting work is closely connected with risk management, corporate reporting and the systems needed to produce reliable sustainability information as reporting expectations continue to develop.
Key Highlights:
- Sustainability reporting aligned with UK disclosure developments
- Focus on Sustainability Disclosure Requirements (SDR)
- Reporting linked with ISSB standards
- Sustainability reporting integrated with corporate reporting
- Support for sustainability risk and opportunity disclosures
- Guidance on future UK reporting requirements
Services:
- Sustainability reporting
- Sustainability Disclosure Requirements support
- ISSB reporting
- ESG reporting
- Climate-related reporting
- Sustainability governance support
- Sustainability data and reporting processes
- Corporate sustainability disclosures
Contact Information
- Website: www.pwc.co.uk
- Facebook: www.facebook.com/PwCUK
- LinkedIn: www.linkedin.com/company/pwc-uk
- Instagram: www.instagram.com/pwc_uk
- Address: 1 Embankment Place, London, WC2N 6RH, United Kingdom
- Phone: +44 (0)20 7583 5000
EY
EY positions sustainability reporting within a broader framework of ESG reporting and independent assurance. Their services cover the preparation of sustainability disclosures, reporting framework implementation and assurance over non-financial information. The focus extends beyond reporting requirements to include the systems, controls and governance needed to support reliable sustainability data.
Their sustainability reporting work spans international reporting frameworks including CSRD, ESRS, ISSB and GRI, while also covering greenhouse gas reporting, ESG assessments and assurance engagements. Technology is integrated into the reporting process to support data collection and reporting readiness across multiple sustainability frameworks, particularly for organisations operating in complex regulatory environments.
Key Highlights:
- Sustainability reporting across international reporting frameworks
- ESG reporting supported by assurance services
- Experience with CSRD, ESRS, ISSB and GRI
- Sustainability reporting combined with governance and internal controls
- Greenhouse gas reporting and ESG assessments
- Technology-enabled sustainability reporting processes
Services:
- Sustainability reporting
- ESG reporting
- Sustainability assurance
- CSRD and ESRS reporting
- ISSB reporting
- GHG emissions reporting
- ESG readiness assessments
- Sustainability disclosure support
Contact Information
- Website: www.ey.com
- Facebook: www.facebook.com/pages/Ernst-Young/195665063800329
- LinkedIn: www.linkedin.com/company/1073
- Address: 1 More London Place, London SE1 2AF
- Phone: +44 20 7951 2000
Deloitte
Deloitte includes sustainability reporting within its broader sustainability and assurance practice, covering non-financial reporting, ESG disclosures and reporting assurance. Their sustainability reporting services reflect the changing expectations placed on organisations by regulators, investors and other stakeholders, with support that spans climate reporting, governance and environmental disclosures. The focus is on helping businesses prepare information that aligns with recognised reporting standards while improving confidence in the quality of reported data.
As reporting requirements continue to evolve, sustainability reporting is closely linked with assurance, risk management and corporate governance. Their approach covers reporting on climate-related matters, energy and carbon information, as well as other non-financial topics that form part of corporate reporting. Sustainability reporting sits alongside wider sustainability advisory services, giving organisations a structured way to prepare disclosures and respond to emerging UK reporting expectations.
Key Highlights:
- Sustainability reporting and assurance services
- ESG and non-financial reporting support
- Climate and environmental reporting expertise
- Sustainability reporting linked with governance and risk
- Experience with reporting assurance
- Support for evolving UK sustainability reporting requirements
Services:
- Sustainability reporting
- ESG reporting
- Sustainability assurance
- Non-financial reporting
- Climate-related reporting
- Carbon and energy reporting
- TCFD reporting support
- Sustainability governance advisory
Contact Information
- Website: www.deloitte.com
- Facebook: www.facebook.com/deloitteuk
- Twitter: x.com/deloitteuk
- LinkedIn: www.linkedin.com/company/deloitte
- Address: 1 New Street Square, London, EC4A 3HQ, United Kingdom
- Phone: +44 (0)20 7936 3000
Saffery
Saffery approaches sustainability reporting as part of a wider ESG advisory offering that combines reporting, governance and long-term business planning. Their sustainability team supports organisations at different stages of their reporting journey, from identifying material sustainability topics through to preparing disclosures that align with recognised UK and international frameworks. The emphasis is on producing reports that reflect the issues most relevant to the business and its stakeholders.
One area that stands out is the attention given to materiality assessments and reporting readiness. Sustainability reporting is connected with ESG data, compliance and assurance, while organisations are encouraged to build reporting processes that can develop over time as requirements change. Alongside reporting support, they cover areas such as carbon accounting systems, ESG due diligence and assurance over sustainability disclosures.
Key Highlights:
- Sustainability reporting within a wider ESG advisory practice
- Support for UK and international reporting frameworks
- Materiality and double materiality assessments
- Sustainability reporting linked with ESG governance
- Reporting supported by assurance and compliance services
- Experience working with privately owned and mid-market organisations
Services:
- Sustainability reporting
- ESG reporting support
- Materiality assessments
- Sustainability disclosure assurance
- Carbon accounting systems
- ESG due diligence
- UK Sustainability Reporting Standards support
- ESG compliance advisory
Contact Information
- Website: www.saffery.com
- Email: info@saffery.com
- LinkedIn: www.linkedin.com/company/saffery
- Instagram: www.instagram.com/saffery_uk
- Address: Midland House, 2 Poole Road, Bournemouth, Dorset BH2 5QY, UK
- Phone: +44 (0)1202 204744
Fiscal Accounts
Fiscal Accounts includes sustainability reporting within its accountancy and advisory services, reflecting the growing connection between financial reporting and ESG disclosures. Their reporting process follows a structured approach that begins with understanding the organisation, identifying relevant sustainability topics and selecting reporting frameworks that fit regulatory and stakeholder expectations.
The reporting process continues with ESG data collection, analysis and integration with financial information, giving organisations a more complete view of business performance. Sustainability reports are prepared in line with recognised reporting standards, while assurance and regular reviews help maintain the quality of disclosures as reporting obligations continue to develop.
Key Highlights:
- Sustainability reporting integrated with financial reporting
- Support for recognised ESG reporting frameworks
- Materiality assessment as part of the reporting process
- ESG data collection and analysis
- Sustainability reporting with assurance support
- Focus on ongoing reporting improvements
Services:
- Sustainability reporting
- ESG reporting
- Materiality assessments
- CSRD reporting support
- GRI reporting
- IFRS Sustainability Disclosure Standards support
- Sustainability assurance
- ESG data analysis
Contact Information
- Website: www.fiscalaccounts.eu
- Email: info@fiscalaccounts.eu
- Address: 323 Donegall Road, Belfast, BT12 6FQ, UK
- Phone: 02890 201 998
ESG Disclose
ESG Disclose focuses entirely on ESG and sustainability services, with sustainability reporting forming one part of a broader reporting and compliance process. Their approach begins with assessing an organisation's current ESG position before moving through planning, reporting and continuous improvement. Sustainability reporting is presented as an ongoing activity supported by governance, data management and internal capability building.
Technology has a noticeable role throughout their reporting process. ESG data collection, reporting preparation and regulatory monitoring are supported through digital tools designed to manage reporting across different frameworks. Alongside reporting, they include readiness assessments, carbon reporting and training programmes that help organisations build internal knowledge around sustainability reporting requirements.
Key Highlights:
- Sustainability reporting as part of a dedicated ESG practice
- ESG readiness assessments before reporting
- Digital tools supporting ESG reporting
- Sustainability reporting aligned with international frameworks
- Carbon reporting integrated with ESG disclosures
- Internal ESG capability development
Services:
- Sustainability reporting
- ESG disclosure reporting
- ESG readiness assessments
- Carbon accounting and reporting
- ESG advisory
- ESG capability building
- ESG reporting technology
- ESG compliance support
Contact Information
- Website: esg-disclose.com
- Email: info@esg-disclose.com
- LinkedIn: www.linkedin.com/company/esg-disclose
DEKRA
DEKRA views sustainability reporting as an important part of corporate reporting, helping organisations communicate environmental, social and governance information alongside financial results. Their services cover the preparation of sustainability reports that follow recognised reporting standards while supporting organisations as reporting requirements become more widely adopted across different sectors.
A practical element of their approach is knowledge transfer, with guidance that allows organisations to strengthen their own reporting processes over time. Sustainability reporting includes identifying relevant reporting standards, reviewing existing information, carrying out gap assessments and recommending improvements that support future reporting cycles and ongoing compliance.
Key Highlights:
- Sustainability reporting based on recognised reporting standards
- Guidance on ESG and sustainability disclosures
- Gap assessments for reporting readiness
- Sustainability reporting linked with organisational processes
- Support for changing reporting requirements
- Training alongside sustainability reporting services
Services:
- Sustainability reporting
- ESG reporting
- Gap assessments
- Reporting framework selection
- Sustainability disclosure preparation
- GRI reporting support
- UN Global Compact reporting support
- Sustainability reporting training
Contact Information
- Website: www.dekra-uk.co.uk
- LinkedIn: www.linkedin.com/company/dekra_process_safety
- Address: Phi House, Enterprise Road, Southampton Science Park, Southampton, SO16 7NS
- Phone: 0238 076 0722
Conclusion
Choosing a sustainability reporting provider is rarely just about meeting reporting requirements. Many organisations look for support that fits their reporting obligations, internal governance, industry expectations and the way sustainability is managed across the business.
As this guide shows, sustainability reporting services in the UK cover a broad range of approaches. Some firms focus on reporting frameworks and regulatory compliance, while others combine sustainability reporting with assurance, carbon accounting, ESG strategy or wider risk advisory. The right choice will depend on your reporting needs, the standards you need to follow and the level of support your organisation requires.
This guide is intended to provide an overview of the UK sustainability reporting market and introduce a selection of firms working in this area. Reviewing their areas of focus and service offerings can help organisations identify providers whose experience aligns with their reporting and governance priorities.