Affinia adds Wilson Partners to its £160M UK accountancy roll-up
What's the deal? AffiniaDealroom has a profile for this one. Try Dealroom →, the private equity-backed accountancy group, has acquired Wilson PartnersDealroom has a profile for this one. Try Dealroom →, an accountancy and advisory firm serving South and Central England. Wilson Partners, headquartered in Maidenhead with offices in Cambridge, Exeter, Plymouth and elsewhere, was previously backed by investor FieldhouseDealroom has a profile for this one. Try Dealroom →.
Who's involved? Affinia has been a portfolio company of RedBird Capital PartnersDealroom has a profile for this one. Try Dealroom → since April 2026. It runs 33 offices, generates annual revenues of over £160 million, and employs roughly 1,600 staff serving owner-managed businesses, mid-market organisations and entrepreneurs.
What changes? The combined business will invest in its team, client services and shared technology, with Wilson Partners gaining access to Affinia's proprietary AI platform, RedBird X. Deal terms were not disclosed.
Why now? Both firms cover a similar geography, giving Affinia added scale in the region. Group chief executive Darren Redmayne said the two share a philosophy of building "a new kind of accounting services firm that leads with purpose, invests in its people and embraces technology responsibly."
What's the endgame? RedBird partner Mike Zabik said the deal "further validates our conviction in the opportunity to build a genuinely differentiated advisory firm headquartered in the UK and able to deliver solutions for its clients globally."
Founder Allan Wilson said joining Affinia "broadens the expertise and international opportunities available to our clients" and gives the firm "an even stronger platform for future growth."
The signal: The acquisition adds to an ongoing wave of consolidation in the UK accountancy sector, as private equity backers assemble larger, technology-enabled advisory groups from regional firms.
Read more: Business Sale
Image credit: Remko van Dokkum
