Leading Non-Profit Audit Services Companies in London

Non-profit organisations and charities in London deal with some pretty specific pressures when it comes to finances-things like strict SORP rules, donor expectations, and staying on top of Charity Commission requirements. A solid audit isn’t just about meeting legal boxes; the best companies make it a chance to spot risks early, tighten up governance, and give trustees real confidence that everything’s in order. That way, everyone can keep their focus on the actual mission rather than worrying about the books.

The top non-profit audit services companies in London really shine through in recent industry surveys and rankings, like those from Charity Finance and Civil Society. These standouts consistently get high marks for expertise in the charity sector, overall service quality, and delivering audits that go beyond the basics-offering clear insights, strong relationships with clients, and practical advice that adds genuine value. Whether it’s handling statutory audits for bigger registered charities, independent examinations for smaller groups, or supporting complex funding setups and international elements, these companies bring deep experience and a commitment to transparency that helps London-based non-profits operate smoothly and build lasting trust.

Acumon

We are Acumon, a full-service chartered accountancy practice based right in the heart of London, and we provide audit, accounting, tax and advisory services to non-profit organisations throughout the UK (and sometimes further afield when the need arises). Our entire professional team works from the UK – no offshore or remote arrangements – which keeps communication straightforward and lets us stay closely aligned with UK charity regulations, Charity Commission expectations and HMRC requirements. Being London-based means we understand the particular pressures many city charities face: high operating costs, complex donor funding streams, grant reporting deadlines and the mix of local and international activities that quite a few non-profits here manage.

We carry out statutory audits for those charities that meet the size thresholds, independent examinations for smaller ones, and grant-specific assurance work where funders require it – always making sure the output complies with Charity SORP and delivers clear, usable reports for trustees. Beyond the audit we handle VAT returns (with proper treatment of exemptions and partial exemption), corporation tax on trading elements, day-to-day bookkeeping, management accounts, payroll and occasional governance or risk reviews. Several of our tax people came from HMRC, so we tend to approach compliance questions with a realistic sense of what actually matters to the authorities rather than just following the letter of the guidance. The result is work that’s dependable and practical, giving non-profits in London and beyond one less thing to worry about so they can focus on their real purpose.

Key Highlights:

• London-headquartered with fully UK-based professionals
• ICAEW-registered audit company
• Regular charity audits and independent examinations
• Practical experience with SORP compliance and grant assurance
• HMRC background in the tax function for realistic advice

Services:

• Statutory audit for non-profits
• Independent examinations for charities
• Charity accounts preparation
• VAT returns and partial exemption advice
• Tax compliance including corporation tax
• Payroll processing and bookkeeping

Contact Information:

• Website: acumon.com
• Phone: 020 8567 3451
• Email: mail@acumon.com
• Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK

Moore Kingston Smith

Moore Kingston Smith handles accounting, tax, and business services specifically for charities and nonprofits. The company works with a large number of charities, focusing on areas like impact measurement, fundraising strategy, financial sustainability, and strategic planning. Audit plays a big part in what they do for the sector, alongside advisory support that helps organizations navigate donor-funded setups and other complexities.

Clients often turn to them for expertise in charity-specific challenges, and the nonprofit team has built a reputation through consistent performance in industry surveys. Recent additions to the audit side bring experience from working with large charities, universities, and membership bodies both in the UK and internationally. They stay active in the sector with partnerships and news around charity causes.

Key Highlights:

• Ranked highly for charity expertise in recent surveys
• Dedicated nonprofit advisory covering impact and fundraising
• Strong focus on audit for charities and education entities
• Award-winning team in the nonprofit space
• Active in supporting specific charity partners

Services:

• Charity audit and assurance
• Nonprofit advisory and strategic planning
• Tax services for charities
• Fundraising strategy support
• Financial sustainability advice
• Donor funded services

Contact Information:

• Website: mooreks.co.uk
• Phone: +44 (0)20 4582 1000
• Address: 6th Floor, 9 Appold Street, London, EC2A 2AP
• LinkedIn: www.linkedin.com/company/moore-kingston-smith
• Twitter: x.com/MooreKSLLP

Price Bailey

Price Bailey offers audit and assurance tailored to charities and not-for-profits, emphasizing structured, risk-based processes and clear communication. The company builds ongoing relationships with clients in this area, providing consistent service without surprise fees from extra discussions. Their charity team draws on experience with multi-academy trusts and animal welfare organizations, delivering both statutory audits and outsourcing support during growth phases.

The approach centers on personalized advice that addresses sector challenges, from compliance to accounts preparation. Price Bailey has picked up recognition in past charity audit surveys for service and expertise. Offices span parts of the UK including London, and the company maintains a partner-led model across various client types.

Key Highlights:

• Top rankings in charity audit surveys in recent years
• Support for educational trusts and welfare charities
• Focus on transparent and predictable audit processes
• Award-winning overall as a company

Services:

• Charity and NFP audit
• Independent examinations
• Accounting and advisory for charities
• Outsourcing support
• Compliance with Charity Commission requirements
• Accounts and returns preparation

Contact Information:

• Website: www.pricebailey.co.uk
• Phone: 020 3909 0480
• Email: mayfair@pricebailey.co.uk
• Address: 24 Old Bond Street, London, W1S 4AP
• LinkedIn: www.linkedin.com/company/price-bailey
• Facebook: www.facebook.com/PriceBaileyLLP
• Twitter: x.com/price_bailey
• Instagram: www.instagram.com/pbpeople

MHA

MHA delivers audit, tax, and advisory work with a dedicated emphasis on charities, social enterprises, and not-for-profit organizations. The company guides clients through accounting complexities in the sector, offering compliance support along with financial reporting and internal audit options. A team spread across the UK handles these services, drawing on knowledge built from working with social housing projects and similar entities.

They aim to share best practices while providing practical solutions for VAT, tax, and risk management. As part of an international network, MHA brings broader perspective to UK-based nonprofit needs. The focus remains on doing good through specialist support in the not-for-profit space.

Key Highlights:

• Specialization in charity auditors and accountants
• Depth of knowledge in non-profit sector challenges
• Support for social enterprises and housing projects
• Contribution to charity law and best practice sharing

Services:

• Charity audit and accounting
• Tax and VAT compliance
• Financial reporting
• Risk and internal audit
• Independent examinations

Contact Information:

• Website: www.mha.co.uk
• Phone: +44 (0)20 7429 4100
• Email: webenquiries@mha.co.uk
• Address: 2 London Wall Place, London, EC2Y 5AU
• LinkedIn: www.linkedin.com/company/mha-uk
• Facebook: www.facebook.com/people/MHA-Accountants/100063452388108
• Instagram:  www.instagram.com/mhaaccountants

Saffery

With a national setup and ties to an international network, Saffery works with a substantial number of charities, offering pragmatic advice from dedicated specialists. The not-for-profit focus includes trustee roles, mergers, and outsourced accounting when required.

Key Highlights:

Saffery provides audit, accounting, and advisory services to not-for-profit organizations and charities across the UK. A specialist group handles tax, VAT, governance, compliance, and risk-based audits for these clients. The company advises on upcoming regulatory changes like UK GAAP and Charity SORP updates, while supporting strategic needs and financial integrity.

• Dedicated not-for-profit group with specialist advisers
• Expertise in charity governance and compliance
• Risk-based audit approach for charities
• Insights on sector-specific changes and mergers

Services:

• Audit and assurance for not-for-profits
• Tax and VAT advice for charities
• Accounting and outsourced services
• Governance and compliance support
• Strategic advisory for charities

Contact Information:

• Website: www.saffery.com
• Phone: +44 (0)330 094 3384
• Email: info@saffery.com
• Address: 71 Queen Victoria Street, London EC4V 4BE, UK
• LinkedIn: www.linkedin.com/company/saffery
• Instagram: www.instagram.com/saffery_uk

GSM Accountants

GSM Accountants provides accounting and audit services to charities and not-for-profit organisations from their Central London office. The company has developed a solid understanding of the sector’s economics, operations, and challenges – including those for entities that operate internationally. They handle charity accounts in a way that adds credibility, and many not-for-profits stick with them long-term.

Clients in this space get partner-led attention along with a range of support to make funds work harder for their causes. GSM offers discounts on standard fees specifically for charities. The practice maintains membership in a UK group for quality checks and stays current on legislation changes.

Key Highlights:

• Specialisation in charity and not-for-profit accounting
• Reputation for adding approval to charity accounts
• Discounts offered to charities
• Deep sector knowledge including international operations

Services:

• Charity audit and assurance
• Accounting for not-for-profits
• Advisory on governance and operations
• Tax and compliance support for charities

Contact Information:

• Website: www.gsmaccountants.co.uk
• Phone: 020 7935 3793
• Email: mail@gsmaccountants.co.uk
• Address: 21-27 Lamb’s Conduit Street, Holborn London, WC1N 3GS
• LinkedIn: www.linkedin.com/company/griffin-stone-moscrop
• Facebook: www.facebook.com/pg/gsmaccountants
• Twitter: x.com/GSMAccountants
• Instagram: www.instagram.com/gsmaccountants

Grant Thornton

Grant Thornton delivers audit, tax, and advisory services to the not-for-profit sector, covering charities, education, and social housing. The company focuses on helping these organisations manage pressures like funding shortfalls while pursuing their goals. Specialists provide external and internal audit along with risk management and governance advice.

Support extends to direct and indirect tax, corporate finance, and other areas tailored to sector needs. The approach combines local insight with broader resources to address complex challenges. Grant Thornton maintains a dedicated head for not-for-profit matters in the UK.

Key Highlights:

• Dedicated not-for-profit specialists
• Experience across charities and social housing
• Focus on governance and risk management
• Support for positive change in the sector

Services:

• External and internal audit
• Tax advice for not-for-profits
• Risk management and governance
• Corporate finance
• Employer solutions

Contact Information:

• Website: www.grantthornton.co.uk
• Phone: +44 (0)20 7383 5100
• Email: malcolm.a.gomersall@uk.gt.com
• Address: 8 Finsbury Circus London EC2M 7EA
• LinkedIn: www.linkedin.com/company/grant-thornton-uk
• Instagram: www.instagram.com/gt_trainees

AAB

AAB offers audit, advisory, accounting, and tax services specifically for not-for-profit organisations, including charities, social housing, and education institutions. The company has built knowledge from years of working in the sector to understand goals and concerns. They help with structuring for efficiency, financial security, and protecting charitable status amid changing funding.

Services aim to meet compliance while minimising tax burdens across various areas. AAB provides value-adding audits and independent examinations along with practical support. The not-for-profit focus sits within a wider range of business services.

Key Highlights:

• Specialised not-for-profit and education services
• Support for charities and social housing
• Emphasis on long-term financial security
• Knowledge of sector-specific concerns

Services:

• Audit and assurance
• Tax compliance including VAT and payroll
• Advisory and accounting
• Independent examinations

Contact Information:

• Website: aab.uk
• Phone: +44 (0)20 3978 5595
• Address: One Leadenhall, 1 Leadenhall Street, London, EC3V 1AB
• LinkedIn: www.linkedin.com/company/aab-accountants
• Facebook: www.facebook.com/AABLLP
• Twitter: x.com/AABGroup_
• Instagram: www.instagram.com/_aabgroup

Gravita

Gravita handles audit services for charities and non-profits at local, national, and international levels. The company acts in external audit, statutory accounts preparation, and advisory capacities for a range of charitable organisations. In-depth expertise addresses technical issues in tax, audit, and financial reporting for the sector.

The approach starts with understanding client goals to tailor support accordingly. Gravita works with non-profits through dedicated sector focus. Services include handling complexities unique to charities and trading subsidiaries.

Key Highlights:

• Provider of audit to local and international non-profits
• Expertise in charity sector technical issues
• Advisory role for charitable organisations
• Focus on financial reporting and tax

Services:

• Charity and non-profit external audit
• Statutory accounts preparation
• Tax and advisory for charities
• Support for trading subsidiaries

Contact Information:

• Website: www.gravita.com
• Phone: 020 7330 0000
• Email: hello@gravita.com
• Address: 2 Leman St, London E1 8FA
• LinkedIn: www.linkedin.com/company/gravita-uk
• Twitter: x.com/TeamGravita
• Instagram: www.instagram.com/gravita_uk

Crowe

Crowe provides audit, tax, advisory, and consulting services to charities and other not-for-profit organisations. The company offers guidance on audit processes, VAT, tax matters, risk, compliance, and strategic planning for the sector. Specialists handle grant audits and reviews alongside broader support for social purpose entities.

Support includes pragmatic assessments drawn from sector experience, with a focus on realistic advice for unique operating environments. Crowe maintains a dedicated area for non-profits that covers change transformation and resource library materials on charity accounting and reporting. The approach aims to match services to specific organisational needs in the UK.

Key Highlights:

• Provision of audit and compliance for charities
• Advisory on VAT, tax, and risk in non-profits
• Support for grant assurance and reviews
• Resources on charity financial reporting

Services:

• Audit for non-profits
• Tax and VAT advice
• Risk and compliance support
• Strategic planning
• Grant audits

Contact Information:

• Website: www.crowe.com
• Phone: +44 (0)20 7842 7100
• Email: nick.jones@crowe.co.uk
• Address:  55 Ludgate Hill, London, EC4M 7JW
• LinkedIn: www.linkedin.com/company/crowe-uk
• Twitter: x.com/CroweUK
• Instagram: www.instagram.com/crowe_uk

BDO

BDO delivers audit, assurance, tax, advisory, and outsourcing services with a specialist focus on not-for-profit organisations, including charities, education, and social housing. The company handles external and internal audit alongside governance, risk management, and strategic advice tailored to sector requirements. Specialists work with various sizes of entities in these areas.

The not-for-profit services cover accounting needs specific to charities and membership bodies. BDO maintains locations across major UK business centres to provide local expertise. The approach emphasises flexibility in addressing challenges faced by these organisations.

Key Highlights:

• Specialist services for charities and education
• Coverage of social housing and membership bodies
• Internal and external audit options
• Governance and risk focus

Services:

• Charity audit and assurance
• Tax planning and compliance
• Accounting services
• Strategic advice
• Internal audit
• Business restructuring support

Contact Information:

• Website: www.bdo.co.uk
• Phone: 020 7486 5888
• Address: 55 Baker Street London, W1U 7EU, United Kingdom
• LinkedIn: www.linkedin.com/company/bdo-llp
• Instagram: www.instagram.com/bdo_uk

UHY Hacker Young

UHY Hacker Young offers audit and accounting services to charity and not-for-profit clients across the UK, including grant-making trusts, international charities, educational bodies, and membership associations. The company provides tailored support with a solutions-focused method that balances compliance and pragmatism. Specialists handle a range of entity sizes and objectives in the sector.

The not-for-profit work includes comprehensive audit alongside other accounting needs. UHY maintains offices spanning parts of the UK, with a national approach to charity services. Commitment to the sector shows through ongoing client relationships and sector-specific updates.

Key Highlights:

• Work with various charity types and sizes
• Support for educational and academy entities
• National coverage for not-for-profits
• Focus on compliance and practical solutions

Services:

• Audit for charities
• Accounting services
• Advisory for not-for-profits
• Tax support

Contact Information:

• Website: www.uhy-uk.com
• Phone: +44 20 7216 4600
• Email: london@uhy-uk.com
• Address: Quadrant House, 4 Thomas More Square, London
• LinkedIn: www.linkedin.com/company/uhy-hacker-young
• Facebook: www.facebook.com/uhyuk
• Twitter: x.com/UHYHackerYoung
• Instagram: www.instagram.com/uhy_uk

Goldwins

Goldwins provides audit, accounting, taxation, and financial services to charities from their West Hampstead office in London. The company has developed experience in the not-for-profit sector, working with small and medium-sized charities including grassroots organisations. Audit forms a core part of their offering for this client type.

Clients in charities receive specialist attention drawn from the practice’s history in the area. Goldwins has gained recognition in charity audit surveys for expertise and service. The approach delivers reliable support to help organisations manage finances effectively.

Key Highlights:

• Specialisation in charity audit
• Experience with small to medium charities
• Recognition in charity finance surveys
• London-based practice

Services:

• Charity audit
• Accounting for not-for-profits
• Taxation advice
• Financial services

Contact Information:

• Website: www.goldwins.co.uk
• Phone: 020 7372 6494
• Email: info@goldwins.co.uk
• Address: 75 Maygrove Road, West Hampstead, London, NW6 2EG

Perrys Accountants

Perrys Accountants offers specialised accounting and audit services to charities and non-profit organisations from offices in London and Kent. The company handles charity accounts, tax, VAT, governance, independent examinations, risk assessments, reserves, and investment reviews for a range of entities in the sector. They provide guidance on interpreting legislation and navigating compliance requirements specific to charities.

Support focuses on helping non-profits manage financial information in line with best practice while addressing unique challenges like changing regulations. Perrys has experience with charities of different sizes, including preparation of statutory accounts and independent examinations. The practice maintains registration for audit work and emphasises practical advice in this area.

Key Highlights:

• Specialised services for charities and non-profits
• Expertise in charity accounts and independent examinations
• Guidance on tax, VAT, and governance for the sector
• Experience with statutory audits where required for charities

Services:

• Charity accounting
• Audit and independent examinations
• Tax and VAT advice
• Governance and compliance support
• Risk and reserves reviews

Contact Information:

• Website: perrysaccountants.co.uk
• Phone: 020 7408 4442
• Address: 4th Floor, 399-401 Strand, London, WC2R 0LT
• LinkedIn: www.linkedin.com/company/perrys
• Facebook: www.facebook.com/perryscharteredaccountants
• Twitter: x.com/PerrysAccs

Walden Way & Co

Walden Way & Co provides voluntary audit services in London for organisations where audits aren’t required by law, including charities seeking to build donor trust through independent financial reviews. The company conducts comprehensive checks on records, accounting procedures, and internal controls similar to statutory processes to offer a reliable view of financial health. Charities benefit from assurance that demonstrates accountability and transparency to donors and regulators.

The voluntary audit includes an independent report from qualified auditors to boost stakeholder confidence in financial statements. Auditors familiar with charity requirements handle these engagements to highlight any areas for improvement in financial management. The service aims to reduce risks and enhance decision-making beyond basic compliance.

Key Highlights:

• Focus on voluntary audits for charities
• Independent assurance for donor confidence
• Experience with charity financial transparency needs
• Comprehensive review of controls and records

Services:

• Voluntary audit services
• Audit review and independent reports
• Assurance for charities
• Financial health assessments

Contact Information:

• Website: www.waldenway.co.uk
• Phone: 0203 4411 205
• Email: info@waldenway.co.uk
• Address: Unit A3, Gateway Tower, 32 Western Gateway, London E16 1YL
• LinkedIn: www.linkedin.com/company/walden-way-&-co-
• Facebook: www.facebook.com/people/Walden-Way-Co/61564909815318
• Twitter: x.com/way_walden

RSM UK

RSM UK provides audit, tax, and consulting services with a particular emphasis on the middle market, including charities and not-for-profit organisations. The company carries out external audits for various entities in the sector, ensuring compliance with relevant standards such as Charity SORP when applicable. Support extends to understanding the specific financial and operational needs of non-profits, with a focus on delivering practical solutions that fit the organisation’s circumstances.

The approach involves taking time to get to know client requirements before suggesting ways forward. RSM UK maintains a presence across multiple UK locations, which allows for localised service delivery while drawing on broader resources when international aspects come into play for certain non-profits. The company places importance on clear communication and tailored advice in its work with the sector.

Key Highlights:

• Audit services for charities and not-for-profits
• Focus on middle-market organisations including non-profits
• UK-wide office network for accessible support
• Emphasis on understanding client needs

Services:

• External audit for non-profits
• Tax compliance and advisory
• Consulting support
• Charity-specific accounting guidance

Contact Information:

• Website: www.rsmuk.com
• Phone: +44 (0)20 3201 8000
• Email: info@rsmuk.com
• Address: 25 Farringdon Street London EC4A 4AB
• LinkedIn: www.linkedin.com/company/rsm-uk
• Instagram: www.instagram.com/rsm.uk

Conclusion

Wrapping up, picking the right audit support for a non-profit in London really comes down to a few straightforward things. You want someone who genuinely understands the Charity SORP rules, knows how the Charity Commission and HMRC think, and can deliver clear reports without turning every conversation into a lecture. The good providers out there – the ones worth talking to – tend to focus on making the process less painful rather than more complicated, whether that’s a full statutory audit for a bigger charity or just an independent examination for a smaller group.

At the end of the day, a solid audit isn’t only about ticking the compliance box; it’s about giving trustees peace of mind and letting the organisation spend more time on the work that actually matters. London’s scene has plenty of options with real experience in the sector, so take your time to speak to a couple, ask about how they handle grant reporting or VAT partial exemption, and see who feels like they actually get what your charity is trying to achieve. The right fit usually becomes pretty obvious once you start chatting.