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Business Details
25 Years
experience
Award-Winning Accountants in Milton Keynes
Established in 2001, Ad Valorem is an award-winning accountancy firm that combines traditional values with modern technology to deliver tailored financial solutions. Our team of over 50 experts specialises in cloud accountancy, tax planning, audit services, and wealth management, serving businesses from local enterprises to global corporations. As part of the ETL Global Network, we offer international expertise while maintaining a family-run ethos. Our proactive approach ensures clients receive both compliance support and strategic advisory services, underpinned by clear communication and a deep understanding of individual goals.

Recognised with accolades such as Xero Mid-Sized Firm of the Year (2020 and 2024), we prioritise innovation and client-centric service. With offices in Milton Keynes and Cambridgeshire, we blend regional accessibility with global standards, ensuring clients benefit from cutting-edge tools like Xero and Inflo for real-time financial insights. Our commitment to transparency and long-term partnerships has earned trust from SMEs to large enterprises.
Services
Cloud Accountancy Tax Services R&D Tax Credits Wealth Management Audit Services Finance & Banking
Details
  • Year established: 2001
Highlights and features
  • We have over 20 years of experience in accountancy and tax advisory.
  • Our team of 50+ experts uses cutting-edge technology like Xero and Inflo.
  • We offer proactive compliance and advisory services tailored to client goals.
  • We are part of the ETL Global Network for international financial expertise.
  • We have won multiple national awards, including Xero Mid-Sized Firm of the Year.
Associations and certifications
  • Xero Mid-Sized Firm of the Year
  • British Accountancy Awards - Independent Firm of the Year
  • MK & Buckinghamshire Business Awards - Gold Winner
What people say
Sound financial advice Award-winning expertise Proactive approach Efficient technology use Trusted advisors
Services
Cloud Accountancy
Our cloud accountancy services provide real-time financial management through platforms like Xero. Clients benefit from automated bookkeeping, instant access to financial data, and seamless integration with business operations. This service is ideal for SMEs seeking efficiency and scalability, offering features such as online invoicing, bank reconciliation, and customisable reporting. By leveraging cloud technology, we help businesses reduce manual processes and focus on strategic growth.
Tax Services
We specialise in minimising tax liabilities through strategic planning and compliance. Our services include corporation tax, self-assessment, HMRC dispute resolution, and international tax advice. Clients receive tailored strategies to utilise reliefs like R&D Tax Credits and Patent Box, ensuring legal compliance while optimising financial outcomes. Our team stays updated on legislative changes to provide proactive, future-proof solutions for individuals and businesses.
Audit Services
Ad Valorem delivers statutory and voluntary audits with a focus on clarity and value. Using platforms like Inflo, we streamline the audit process to minimise disruption while ensuring accuracy. Our services cover financial reporting assurance, internal controls evaluation, and compliance with regulatory standards. Clients gain confidence in their financial statements and receive actionable insights to improve governance and stakeholder trust.
R&D Tax Credits
We help businesses claim R&D tax credits by identifying eligible projects and maximising qualifying expenditures. Our expertise spans technical documentation, HMRC compliance, and dispute resolution. This service is particularly beneficial for tech-driven and manufacturing sectors, enabling companies to reinvest savings into innovation. We ensure claims meet current guidelines while defending against increased HMRC scrutiny.
Wealth Management
Our wealth management services focus on protecting and growing client assets through pension planning, estate strategies, and business succession advice. We offer tailored solutions for retirement, tax efficiency, and intergenerational wealth transfer. By integrating financial planning with accountancy expertise, we help individuals and business owners achieve long-term security and financial freedom.
People
Nigel Adams
Managing Director
Nigel founded Ad Valorem in 2001 and has over 25 years of accountancy experience. He leads the firm's strategic direction and audit services, combining technical expertise with a client-focused approach. His leadership has driven the firm's growth to 50+ team members and multiple industry awards.
Darren Kerins
Audit Director
Darren oversees audit and assurance services, bringing 15+ years of experience in statutory audits and financial reporting. He specialises in SMEs and owner-managed businesses, focusing on delivering actionable insights through transparent communication and innovative audit methodologies.
Suzanne Clements
Head of R&D
Suzanne leads the R&D tax relief team, leveraging her background in HMRC compliance and technical reporting. With a decade of experience, she ensures clients maximise innovation reliefs while maintaining defensible claims under increased regulatory scrutiny.
Zubair Arshad
Audit Director
Zubair specialises in audit services for growing businesses, with expertise in financial governance and risk assurance. He has over 12 years of experience guiding clients through complex regulatory environments while prioritising operational efficiency.
Lisa Waller
QA and Technical Policy Manager
Lisa ensures technical excellence across tax and R&D services, with a focus on compliance and policy development. Her 18-year career includes roles in HMRC and specialist consultancy, providing deep insights into tax authority expectations.
Questions
What accountancy services does Ad Valorem offer?
We provide cloud accountancy, tax planning, audit services, R&D tax credits, wealth management, and business advisory solutions tailored to SMEs and larger enterprises.
How does Ad Valorem handle audit processes?
We use cloud-based platforms like Inflo for efficient audits, combining real-time data with minimal disruption. Our partner-led approach ensures clarity and actionable insights for clients.
Can Ad Valorem assist with R&D tax claims?
Yes, our dedicated team helps identify eligible projects, compile technical reports, and ensure compliance with HMRC guidelines for maximum tax relief.
What makes Ad Valorem different from other accountants?
We combine family-run values with global expertise through the ETL Network, using cutting-edge tech and award-winning service to prioritise client goals.
Do they offer estate planning services?
Yes, we provide comprehensive estate planning to protect assets, minimise tax liabilities, and ensure smooth succession for individuals and business owners.
What are their fees for accountancy services?
We offer transparent pricing tailored to client needs. Contact us for a custom quote based on your business size and service requirements.