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
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
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
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
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
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
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.
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
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
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.
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.
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.
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
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
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
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.
AC
Written by the Acumon team
Acumon is an ICAEW-registered firm of chartered accountants and registered auditors
based in London, with offices in Pitstone, Aylesbury and Bournemouth. Need advice on
anything covered here? Talk to us.
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