Grant Audit Companies in London: A Practical Selection Guide

This practical guide gives you a clear overview of grant audit companies operating in London. Rather than ranking them, we explore who these companies are, the types of organisations they support, and what they bring to grant funding compliance audits.

From larger practices with broad capabilities to more specialised teams focused primarily on charities and not-for-profits, the London market offers a range of options. Each company has its own strengths – whether in handling complex multi-funder environments, working efficiently with restricted funds, or delivering clear reporting that funders value.

We’ve focused exclusively on their grant audit services to help you understand the landscape and make a more informed decision about which partner might suit your specific needs.

Acumon

Acumon is a chartered accountancy firm based in West London that provides grant audit services. The company works with charities, not-for-profits and other organisations that need independent verification of how grant funding has been spent. Their team focuses on checking compliance with the specific conditions and restrictions set by funders.

The firm uses a secure online portal that helps reduce the amount of emails and document requests during the audit. This approach allows most of the work to be done remotely while still maintaining high standards of quality and communication. Acumon pays particular attention to the needs of charities, including proper management of restricted funds and Charity SORP requirements.

Their grant audits cover key areas such as expenditure verification, match funding checks and confirmation that project outputs and outcomes have been achieved. The process follows a clear sequence from planning through to the final report. This structure helps clients meet funder deadlines and provides clear assurance for both recipients and funding bodies.

Acumon combines the resources of a growing mid-tier practice with personal attention to each client. The team has experience working with UK PLCs, limited companies and international subsidiaries, which gives them useful background when grants involve more complex organisational structures. Their registered audit firm status supports the independent assurance that many funders require.

Overall the company aims to make the grant audit process more manageable while delivering professional compliance verification. They focus on practical support that helps organisations maintain good relationships with their funders through accurate and timely reporting.

Grant Audit Capabilities:

Acumon provides comprehensive grant audit services tailored to the needs of grant-funded organisations.

These include:

• Charities and not-for-profit organisations
• Verification of grant-funded projects
• Compliance audits for various funding bodies
• International group subsidiaries with UK grant funding
• Organisations receiving public sector grants

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 provide audit services to groups that include entities in both the UK and key international financial centres.

Core Services:

In addition to statutory external audit, Acumon provides a range of services that support financial reporting and governance.

These include:

• Statutory external audit
• Group and subsidiary audits
• Public Interest Entity (PIE) audits
• Charity and not-for-profit audit
• Audit of international group structures
• Internal audit and governance reviews
• Risk management and compliance support

Audit work is often delivered alongside discussions with management and boards regarding financial reporting processes and governance frameworks.

Many organisations initially encounter statutory audit requirements as they grow and exceed the audit exemption thresholds set out in the Companies Act.

Acumon works with businesses that are:

• Approaching their first statutory audit
• Preparing for external investment
• Expanding into international markets
• Operating within corporate group structures

Early engagement with an audit firm can help ensure that financial reporting systems and documentation are aligned with statutory audit requirements.

Contact Information:

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

THP Accountants

THP Accountants operates a dedicated grant audit team that supports organisations receiving government and innovation funding. The company focuses on producing Independent Accountant’s Reports required by funders such as Innovate UK and UKRI. Their approach emphasises speed and simplicity through an online portal that allows remote document submission.

Clients work directly with a specialist team experienced in various government grant schemes. The process involves uploading key financial records and receiving a completed report quickly once all information is provided. THP handles audits for different types of grants while keeping requirements straightforward and avoiding unnecessary site visits. Their team maintains awareness of current funder expectations to support smooth compliance verification. This setup helps organisations secure funding release without extended delays.

Key Highlights:

• Dedicated grant audit team
• Remote online portal
• Fast report turnaround
• Government grant experience
• Independent accountant reports

Services:

• Innovate UK grant audits
• UKRI funding verifications
• Scottish Enterprise grant audits
• European Union grant schemes
• Horizon Europe certifications
• Government department audits
• Local enterprise grant reviews

Contact Information:

• Website: www.thp.co.uk
• Phone: 08006520025
• Email: gdpr@thp.co.uk
• Address: 34-40 High Street, Wanstead, London, E11 2RJ
• LinkedIn: www.facebook.com/thplimited

PKF Littlejohn

PKF Littlejohn maintains a specialist institutional donor audit team with experience across major international funding bodies. The company works with NGOs, universities, research institutes and charities on financial verifications and compliance audits for grants from organisations including the European Commission and United Nations agencies. Their work often extends to field locations as well as headquarters reviews.

The team provides assurance on grant expenditure, systems audits and eligibility checks for complex international programmes. They support beneficiaries in understanding contractual obligations across different donor frameworks. Assignments frequently involve collaboration with global PKF offices to address local requirements in multiple regions. This international reach helps organisations manage grants spanning several countries and funding streams.

Key Highlights:

• Institutional donor expertise
• International grant experience
• Systems and performance audits
• EU and UN funding focus
• Field and headquarters reviews

Services:

• Institutional donor verifications
• Horizon Europe certifications
• Innovate UK accountant reports
• Systems health checks
• Procurement audits
• Pre-grant due diligence
• Performance audits

Contact Information:

• Website: www.pkf-l.com
• Phone: +44 (0)20 7516 2200
• Email: info@pkf-l.com
• Address: 15 Westferry Circus, Canary Wharf, London E14 4HD
• LinkedIn: www.linkedin.com/company/littlejohn
• Twitter: x.com/PKF_Littlejohn
• Instagram: www.instagram.com/pkf.littlejohn

Warrener Stewart

Warrener Stewart carries out grant audits as an independent review of project accounts for both grant providers and recipients. The company works with organisations across South West London, the Southern Home Counties and Edinburgh from its offices in Fulham and the Scottish capital. Their audits focus on verifying that the terms and conditions of the grant agreement have been met.

The team prepares reports that confirm whether expenditure aligns with the funding agreement and provide insights into project outcomes and value delivered. Each audit is shaped to the specific requirements of the funding body, whether at project end or when certain expenditure thresholds are reached. They support a wide range of organisations including limited companies, limited liability partnerships, charities and UK subsidiaries of European entities. The process emphasises thorough checking of goals and expectations set by the funder while delivering clear assurance reporting.

Key Highlights:

• London and Edinburgh offices
• Works with grant providers and recipients
• Tailored to specific funder requirements
• Focus on expenditure conformity
• Insights on project outcomes

Services:

• Grant agreement reviews
• Expenditure verification
• Outcome assessment
• Funder compliance reporting
• Project goal verification
• Independent assurance audits

Contact Information:

• Website: www.warrenerstewart.com
• Phone: 020 7731 6163
• Email: info@warrenerstewart.com
• Address: Harwood House, 43 Harwood Road, Fulham, London, SW6 4QP

BKL

BKL provides grant audit services for organisations that receive project funding from various public bodies. The company handles independent verification of expenditures for funders such as Horizon 2020, FP7 and Innovate UK. Their methodical planning includes supplying clients with a clear list of required information in advance.

Audits can be carried out either onsite at client premises or remotely. The team maintains a live list of queries throughout the process and conducts thorough internal reviews before issuing reports. This approach typically allows completion within one to two weeks. BKL supports beneficiaries in meeting periodic reporting requirements and confirming that spending follows grant conditions in the format prescribed by each funder.

Key Highlights:

• Methodical audit planning
• Onsite or remote delivery
• Live query tracking
• Internal quality reviews
• Funder-specific reporting

Services:

• Expenditure verification
• Horizon 2020 audits
• Innovate UK verifications
• FP7 grant audits
• Periodic funding reports
• Compliance confirmation
• Independent external audits

Contact Information:

• Website: bkl.co.uk
• Phone: +44 (0)20 7832 0444
• Address: First floor, 5 Fleet Place, London EC4M 7RD
• LinkedIn: www.linkedin.com/company/berg-kaprow-lewis-llp
• Twitter: x.com/BKLtweets

LEES Accountants

LEES Accountants specialises in grant audit and assurance services for not-for-profit organisations and research entities. The company acts as a Designated Lead First Level Controller and works with major European and US funding programmes. Their team maintains regular contact with donors and stays updated on evolving requirements.

They support high-profile clients including universities and research centres across different locations. The firm proactively reviews new funding programmes to share relevant knowledge with clients. Audits cover exacting conditions attached to various public funding streams. LEES delivers verification services regardless of funding level or project location.

Key Highlights:

• Specialist grant audit focus
• Designated Lead First Level Controller
• European and US funding experience
• Regular donor liaison
• Research organisation support

Services:

• Horizon Europe audits
• Innovate UK verifications
• INTERREG grant audits
• US Federal funding reviews
• Expenditure compliance checks
• Funder reporting assurance
• Framework programme audits

Contact Information:

• Website: leesaccountants.co.uk

• Phone: +44 (0)20 7242 1134
• Email: mail@leesaccountants.co.uk
• Address: Hogarth House, 136 High Holborn, London, WC1V 6PX

Price Bailey

Price Bailey carries out grant audits to verify that expenditure meets the terms and conditions set by funding providers. The company supports businesses with different assurance frameworks including reasonable assurance, limited assurance and agreed-upon procedures. Their work covers a range of funders and helps with procurement policy compliance and complex cost calculations.

The process begins with a detailed review of the grant agreement and offer letter. The team then handles interim reviews where needed, selects samples for testing, examines supporting documents and conducts partner-level quality checks. Price Bailey maintains relationships with funders through ongoing updates and webinars to stay current with their expectations.

Key Highlights:

• Multiple assurance frameworks
• Procurement policy support
• Structured audit process
• Funder relationship focus
• Cost calculation assistance

Services:

• Innovate UK grant audits
• Horizon Europe verifications
• Expenditure sample testing
• Interreg compliance checks
• DEFRA funding reviews
• Interim project reviews
• Formal audit reporting

Contact Information:

• Website: www.pricebailey.co.uk
• Phone: 020 7487 4870
• Email: web.enquiry@pricebailey.co.uk
• Address: 14 David Mews, London, W1U 6EQ
• LinkedIn: www.linkedin.com/company/price-bailey
• Facebook: www.facebook.com/PriceBaileyLLP
• Twitter: x.com/price_bailey
• Instagram: www.instagram.com/pbpeople

Knox Cropper

Knox Cropper provides specialist grant audit and assurance reports for various funding bodies. The company supports charities, housing associations, educational bodies and several University of London colleges. Their team delivers full audits, assurance reviews and agreed-upon procedures engagements tailored to complex grant reporting frameworks.

The firm works with grants from the EU, central government departments, local authorities and charitable trusts. Knox Cropper also offers advice on interpreting financial sections of grant agreements. Their registered auditor status supports compliance with relevant international standards for these engagements.

Key Highlights:

• Specialist grant reporting
• Educational and charity focus
• Multiple assurance types
• Funder range experience
• Agreement interpretation support

Services:

• Full grant return audits
• Assurance review engagements
• Agreed upon procedures
• EU grant reporting
• Central government verifications
• Local authority audits
• Charity grant assurance

Contact Information:

• Website: www.knoxcropper.com
• Phone: 020 7332 6400
• Email: London@knoxcropper.com
• Address: 65/68 Leadenhall Street, London, EC3A 2AD
• LinkedIn: www.linkedin.com/company/knox-cropper

Gravita

Gravita delivers grant audit support to companies, charities and schools that receive grant income. The company handles independent reviews to confirm that claimed costs comply with funder conditions. Their team manages tight deadlines and uses software tools to streamline the administrative side of the process.

The audit flow involves understanding grant terms, sample verification of transactions against supporting documents, discussion of findings and production of formal reports or accountant opinions. Gravita works with funders including Innovate UK, Horizon Europe, government departments and Arts Council England. The approach emphasises flexibility for short-notice requirements while maintaining quality standards.

Key Highlights:

• Timely deadline support
• Software assisted process
• Wide funder experience
• Sample transaction testing
• Flexible scheduling

Services:

• Innovate UK accountant reports
• Horizon Europe audits
• Expenditure compliance verification
• Arts Council grant reviews
• Government department audits
• Formal assurance reporting
• Grant agreement reviews

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

Alliotts

Alliotts operates a specialist grant audit team that supports businesses receiving government funding. The company works with recipients of grants from Innovate UK, Horizon 2020, UK Space Agency and similar bodies. Their team prepares Independent Accountant’s Reports to verify that claimed expenditure meets funder conditions.

The process involves checking labour, overheads, subcontractor and materials costs to support accurate claims. Alliotts keeps clients informed about financial and reporting responsibilities throughout the project. This helps organisations meet tight deadlines and maintain compliance. The team brings experience across different grant sizes and funding bodies, particularly in technology and space sectors. Flexible support ensures clients can continue receiving funding as projects progress.

Key Highlights:

• Specialist grant audit team
• Government grant experience
• Technology sector focus
• Independent accountant reports
• Deadline support

Services:

• Innovate UK grant audits
• Horizon 2020 verifications
• Expenditure cost checks
• UK Space Agency audits
• Claim submission support
• Compliance responsibility guidance
• Independent report preparation

Contact Information:

• Website: www.alliotts.com
• Phone: +44(0)20 7240 9971
• Email: london@alliotts.com
• Address: Manfield House, 1 Southampton Street, London, WC2R 0LR
• LinkedIn: www.linkedin.com/company/alliotts
• Instagram: www.instagram.com/alliotts

Menzies

Menzies provides grant audit and assurance services to organisations receiving or distributing funding. The company works with both grant recipients and funders on compliance, reporting and internal controls. Their approach includes tailored support for complex or cross-border grant projects.

The team delivers various assurance engagements depending on funder requirements and grant conditions. Menzies supports work with UKRI, Horizon Europe, DEFRA, Homes England and several international donors. Services range from full audits to agreed-upon procedures and deliverable verification. The firm also offers compliance advisory and training to help teams prepare for audits. This flexible setup works for single grants or larger portfolios.

Key Highlights:

• Recipient and funder support
• Cross-border project experience
• Tailored assurance approach
• Internal controls focus
• Multiple funder knowledge

Services:

• Grant audits under ISA standards
• ISAE 3000 assurance reports
• Agreed upon procedures
• Funder side verifications
• Deliverables validation
• Compliance advisory
• Policy and procedure reviews

Contact Information:

• Website: www.menzies.co.uk
• Phone: +44 (0)20 7387 5868
• Address: 4th Floor, 95 Gresham Street, London. EC2V 7AB
• LinkedIn: www.linkedin.com/company/menzies-llp
• Instagram: www.instagram.com/menzies_llp

Grant Thornton UK

Grant Thornton UK offers grant assurance services as part of its broader audit and advisory work. The company combines local insight with wider resources to support organisations with assurance needs. Their teams operate from multiple offices across the UK.

The firm provides practical support for clients navigating funding compliance and reporting requirements. Grant Thornton works with businesses seeking structured assurance on how grant funds are used. Their approach emphasises quality and understanding of client ambitions in different sectors.

Key Highlights:

• Local and wider resources
• Assurance service focus
• Multiple UK offices
• Practical compliance support
• Client ambition alignment

Services:

• Grant assurance services
• Audit and assurance engagements
• Funding compliance support
• Reporting verification
• Regulatory insight provision

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

UHY

UHY supports organisations with Innovate UK grants and other UK and EU funding that require independent audits. The company prepares reports for projects exceeding certain funding thresholds. Their registered auditor status allows them to certify claims for R&D related grants.

Clients include universities, government funded bodies and small businesses involved in innovation projects. The team focuses on meeting deadlines and ensuring claims are properly supported. UHY handles grants such as INTERREG, Horizon 2020 and FP7. Their process helps verify legitimacy of expenditure to support successful funding outcomes.

Key Highlights:

• Innovate UK grant focus
• Registered auditor status
• R&D project experience
• UK and EU grant support
• Deadline sensitive work

Services:

• Innovate UK grant audits
• Horizon 2020 verifications
• INTERREG grant reviews
• FP7 funding audits
• Independent external reports
• Claim legitimacy checks

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
• Instagram: www.instagram.com/uhy_uk

TC Group

TC Group prepares Independent Accountant’s Reports for organisations claiming grant funding. The company supports clients with Innovate UK and similar public funding bodies through its audit team. Their process focuses on verifying that claimed costs are eligible, accurate and properly documented.

The team reviews accounting records, grant offer letters, timesheets, payroll, invoices and project documentation. TC Group checks overhead calculations, excludes ineligible items such as VAT and profit margins, and ensures costs fall within the claim period. This support helps organisations meet submission deadlines and maintain compliance for current and future funding. The structured approach includes initial discussions, sample testing and final report issuance.

Key Highlights:

• Independent accountant reports
• Innovate UK claim support
• Evidence verification focus
• Deadline sensitive process
• Eligibility checking

Services:

• Innovate UK IAR preparation
• Expenditure accuracy verification
• Overhead calculation testing
• Claim documentation reviews
• Grant agreement compliance
• Final claim reporting
• Statement of expenditure support

Contact Information:

• Website: www.tc-group.com
• Phone: 020 7486 5553
• Email: enquiries@tc-group.com
• Address: 6th Floor, King’s House, 9-10 Haymarket, London SW1Y 4BP
• LinkedIn: www.linkedin.com/company/tc-group3
• Instagram: www.instagram.com/tcgroupuk

Moore Kingston Smith

Moore Kingston Smith offers donor audit and assurance services for organisations working with international and domestic funding. The company supports projects funded by major bodies such as UNICEF, UNDP, UNHCR and The Global Fund. Their team focuses on financial audits and compliance with donor requirements.

The firm helps identify and mitigate risks associated with grant funding while strengthening systems and controls. Services include reviews of financial records and tailored assurance to meet complex donor rules. Moore Kingston Smith works with a range of organisations to ensure effective use of funds and proper reporting.

Key Highlights:

• Donor funding expertise
• International project support
• Risk mitigation focus
• Systems and controls review
• Major donor experience

Services:

• Financial audits of donor projects
• Donor compliance assurance
• System and control reviews
• Capacity building support
• Grant funding verification

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

Conclusion

Choosing the right grant audit company in London depends on several practical factors. These include the size of your organisation, the sector you operate in, the maturity of your internal processes, and the specific regulatory requirements of your funders. Some companies take a broader integrated approach, while others focus more narrowly on grant compliance and assurance.

What matters most is finding a partner whose working style and expertise align with your needs. The right partner delivers independent assurance and practical steps to reduce risks and support resilience.

This guide has provided a neutral overview of several active grant audit companies in London to help you compare options and understand what each one brings to the table. Use it as a starting point when exploring which team might suit your next grant audit requirement.