“From the very beginning, our goal has been to build a new kind of accounting services firm that leads with purpose, invests in its people and embraces technology responsibly. Wilson Partners shares that philosophy, joining with an outstanding reputation for exceptional client service, entrepreneurial thinking and a people-first culture. Together, we are creating a firm with the scale to invest, the capability to support increasingly complex clients and, most importantly, a culture that remains genuinely entrepreneurial, collaborative and dedicated to championing the businesses that are the beating heart of the UK economy.”
Welcoming Wilson Partners to Affinia
6 August 2026
We are thrilled to welcome Wilson Partners to Affinia! An award-winning accounting, tax and corporate finance advisory firm supporting SMEs, private individuals and private equity investors across the UK.
This combination further strengthens our position as one of the UK’s Top 20 accounting firms, unlocking broader expertise across sectors and additional specialist advisory capabilities, particularly in the international ultra-high net worth category.
As a combined organisation we will continue investing in our people, our client services and our shared technology platforms, giving us a fantastic opportunity to expand our offering across a wide range of tax and business advisory services.
Founded in 2008, Wilson Partners have been supporting clients by providing accounting, tax, and corporate finance solutions, to aid owner-managed businesses, investors, and private clients make better financial and strategic decisions
Wilson Partners share an incredibly similar people-first ethos with us, resulting in a strong and natural cultural fit for our clients, colleagues and communities. As a firm, we plan to continue empowering our teams to spend more time building relationships, providing trusted advice and supporting clients in achieving their ambitions.
By welcoming Wilson Partners to the firm, we will be a combined team of approximately 1,600 colleagues across 33 offices, expanding our presence even further across the UK.
However, our purpose remains the same: helping clients, colleagues and communities prosper.
Darren Redmayne, our Group CEO:
Allan Wilson, Founder & Managing Director of Wilson Partners:
“For nearly twenty years we’ve built Wilson Partners around a simple belief: business should make life count for our clients, our people and the communities we serve. From our first conversations with Affinia, it was clear we shared the same values and long-term ambition. Joining Affinia creates exciting opportunities for our people, broadens the expertise and international opportunities available to our clients, and gives us an even stronger platform for future growth while staying true to what has always made Wilson Partners different.”
We are excited about the future as we warmly welcome our new colleagues to Affinia and, together, continue to build a purpose-led firm that combines high-quality expertise with a practical, approachable style.
Find out more about Affinia | Who we are
Helping you prosper
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Our Services
Accountancy & Advisory
Our accountancy & business advisory services are tailored to your company’s needs. We give your business actionable insights and practical advice to elevate your company, and help you reach the next level.
Digital Transformation
Adopting cloud-based solutions for accounting, stock control, collaboration, HR, and marketing can automate work, enhance efficiency, and save costs for businesses integrating technology.
Audit Services
We can adapt to meet all your auditing needs, from statutory to interim and heavily bespoke audits. We aim to remove this pressure with minimum disruption to your everyday business.
Tax & Planning
Our tax planning services help minimise tax liabilities while ensuring compliance with laws and regulations. We assist with basic tax compliance to complex issues like Group Restructuring.
Corporate Finance
Whether you require support for an MBO, business valuation or are looking to exit your business, our team combine significant accounting, banking and taxation expertise to support you through the process.
Payroll
We deliver the feel of a personal in-house payroll function in an accessible and down-to-earth way.
Our services help employers improve efficiency, accuracy and performance, allowing you to focus on making the right business decisions for your company.
A career with Affinia
Train With Us
Are you interested in starting a career in accountancy? Voted 13th in the Apprenticeships Top 50 SME Employers 2023, our training scheme will put you on the path to success.
Experienced Professionals
We are always excited to hear from talented individuals who are passionate about their approach to accountancy and tax and interested in joining our team.