R&D Tax Credit Companies in London: A Practical Selection Guide (2026)
AC
Acumon Chartered Accountants·9 min read
This practical guide provides an overview of R&D tax credit services companies in London and the different types of support they offer. Rather than ranking companies, it presents a balanced review of organisations with varied backgrounds, from larger companies offering a broad range of tax services to specialists focused specifically on R&D claims. The aim is to give readers useful context about who these companies work with, their areas of expertise, and the strengths that may matter for different business needs. This overview can help businesses make a more informed decision when comparing available R&D tax credit support options.
Acumon
Acumon is a UK firm of chartered accountants providing tax advisory and accounting services to companies, charities, and international organisations. The firm supports businesses with a range of financial and compliance requirements, including guidance related to research and development tax relief claims.
The firm works with organisations ranging from growing owner-managed businesses and innovative companies through to larger corporate structures. R&D tax credit engagements involve reviewing qualifying activities, assessing eligible expenditure, and helping businesses prepare appropriate supporting documentation for submission.
Acumon supports companies seeking to understand whether their research and development activities may qualify for UK tax relief. The process requires consideration of both financial information and technical project details to ensure claims are prepared in line with current HMRC requirements.
In addition to R&D tax credit support, Acumon provides wider tax and accounting services that allow businesses to consider innovation incentives alongside corporation tax obligations, financial reporting requirements, and broader business planning.
Many companies claiming R&D tax relief operate in sectors where development activity is closely connected with improving products, creating new systems, solving technical challenges, or developing new processes. Supporting these claims requires an understanding of both commercial objectives and regulatory expectations.
Acumon works with management teams and finance departments to support accurate tax reporting while helping organisations identify relevant opportunities, maintain appropriate records, and approach R&D tax credit claims as part of their wider financial strategy.
R&D Tax Credit Capabilities
Acumon provides R&D tax credit support for businesses involved in qualifying research and development activities.
These include:
Technology companies developing new software or digital products
Growing businesses investing in product or process improvements
Organisations requiring support with claim preparation
Businesses combining R&D tax relief with wider accounting services
R&D tax credit engagements are supported by an understanding of business operations, financial records, and the documentation required to present qualifying activities clearly.
Regulatory Licences and Registrations
Acumon operates as a UK accountancy firm providing regulated accounting and tax advisory services to businesses and organisations.
These include:
UK accountancy practice registration
Chartered accounting qualifications and professional standards
Tax advisory service compliance requirements
UK financial reporting knowledge
Corporate tax advisory experience
Support for businesses operating under UK tax regulations
These professional standards allow Acumon to support businesses with tax-related matters while maintaining a structured approach to compliance and financial reporting.
Core Services
In addition to R&D tax credit support, Acumon provides a range of accounting and advisory services that help businesses manage financial requirements.
These include:
R&D tax credit advisory
Corporation tax support
Tax planning and compliance
Statutory accounting services
Financial reporting support
Business advisory services
Audit and assurance services
R&D tax credit claims are often considered when businesses are investing in innovation, expanding their operations, or developing new products and services.
Companies may seek support when they are:
Reviewing previous R&D activities for potential claims
Preparing their first R&D tax relief submission
Expanding technical development projects
Improving internal record-keeping processes
Looking for combined tax and accounting guidance
Early consideration of R&D tax relief requirements can help businesses maintain clearer documentation and align financial records with claim preparation needs.
Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK
RCK Partners
RCK Partners is a London-based tax consultancy specialising in R&D tax credits and other innovation-related tax incentives. The firm supports businesses with claim preparation, compliance reviews, HMRC enquiry assistance, and technical assessments.
The company uses sector-focused consultants and an internal review process for claims before submission. Its services cover businesses working in areas such as software, engineering, and manufacturing where technical uncertainty and development work may form part of qualifying R&D activity.
EmpowerRD provides specialist R&D tax credit services for UK businesses, combining advisory support with a technology platform designed to help companies manage their claims. The company focuses on eligibility assessment, technical evidence gathering, cost reviews, and claim preparation.
The firm has particular experience supporting innovative businesses and technology companies. Its platform-based approach gives finance and technical teams visibility into the claim preparation process rather than relying only on a final submitted document.
Address: 167-169 Great Portland Street, 5th Floor, London, W1W 5PF
LinkedIn: www.linkedin.com/company/empowerrd
Instagram: www.instagram.com/empower.rd
ForrestBrown
ForrestBrown is an R&D tax specialist and innovation incentives consultancy supporting UK businesses with R&D tax relief claims. The firm provides end-to-end claim preparation, consultancy support, HMRC enquiry assistance, and advice on other innovation incentives.
The company works with businesses ranging from smaller innovative companies to larger organisations. Its services include reviewing eligible activities, preparing claims, and helping businesses improve internal processes for capturing R&D costs.
Key Facts
Ideal for: Businesses requiring specialist R&D tax advisory support
Kene Partners provides R&D tax credit advisory services for companies seeking support with innovation-related tax incentives. The company works with businesses to review potential qualifying activities, assess eligible expenditure, and prepare documentation required for R&D claims. Its approach focuses on helping organisations understand HMRC requirements and present technical development work clearly. Kene Partners supports companies across different sectors where research, experimentation, and product development may form part of their operations. The company’s services are suitable for businesses looking for specialist guidance throughout the R&D tax relief process.
Key Facts
Ideal for: Businesses looking for dedicated innovation tax advice
Core services: R&D tax credits, Patent Box advice, funding support
Queen’s Lane Consultants focuses on R&D tax relief services, supporting businesses with the assessment of qualifying projects and preparation of claims. The company works specifically within the R&D tax area, helping organisations review eligible activities, organise technical information, and prepare documentation for submission. Its services are aimed at companies that need dedicated assistance with the requirements involved in R&D tax relief applications. Queen’s Lane Consultants may be suitable for businesses seeking specialist R&D tax guidance rather than a broader accounting service provider.
Address: 4 Manchester Square, London, W1U 3PD, United Kingdom
BDO
BDO provides tax advisory services that include support with R&D tax relief claims as part of its wider corporate tax offering. The company works with businesses on areas such as tax compliance, planning, and innovation-related incentives. Its R&D tax services are delivered within a broader professional services structure, allowing organisations to address research and development claims alongside other financial and tax requirements. BDO UK may be suitable for established companies seeking R&D tax support combined with wider advisory expertise and assistance across multiple areas of business taxation.
Key Facts
Ideal for: Established businesses needing wider tax advisory support
Address: 55 Baker Street London, W1U 7EU, United Kingdom
LinkedIn: www.linkedin.com/company/bdo-llp
Instagram: www.instagram.com/bdo_uk
RSM
RSM provides tax advisory services that include support with R&D tax relief and innovation incentives for businesses across different sectors. The company helps organisations assess qualifying activities, prepare claims, and manage compliance requirements connected with R&D submissions. Its services are delivered as part of a wider accounting, audit, and tax advisory practice, allowing businesses to address innovation-related tax matters alongside broader financial needs. RSM UK may be suitable for companies looking for R&D tax support combined with wider professional advice and ongoing business tax services.
Key Facts
Ideal for: Medium-sized businesses requiring integrated professional services
Core services: R&D tax relief, tax advisory, compliance support
Specialization: Corporate tax services
Industries: Technology, manufacturing, professional services
Grant Thornton offers tax advisory services that include support with R&D tax relief and innovation incentives for businesses with different financial and operational needs. The company works with organisations on tax compliance, advisory projects, and complex financial matters connected with business activities. Its R&D tax support is delivered as part of a wider professional services offering, allowing companies to consider innovation-related claims alongside broader tax and strategic requirements. Grant Thornton UK may be suitable for organisations seeking R&D advice combined with wider business transformation, compliance, and advisory support.
Key Facts
Ideal for: Larger businesses requiring specialist tax advisory support
KPMG provides tax advisory services that include support with innovation incentives such as R&D tax relief. The company works with businesses on areas including tax compliance, strategic planning, and complex financial matters related to their operations. Its R&D tax support forms part of a wider professional advisory offering, allowing organisations to address innovation-related tax requirements alongside broader business needs. KPMG UK may be suitable for companies seeking R&D tax expertise combined with access to wider tax, advisory, and professional services support.
Key Facts
Ideal for: Large organisations with complex tax requirements
R&D tax credit services in London include specialist consultancies focused entirely on innovation relief claims as well as larger accounting firms that combine R&D support with wider tax and advisory services. Businesses can compare providers based on technical expertise, industry experience, claim preparation methods, and the level of compliance support offered.
This guide provides an overview of companies operating in this area rather than ranking providers. The right choice depends on the complexity of the R&D activity, internal resources available, and the type of support required throughout the claim process.
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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