Key Takeaways
- • Private equity has spent the last five years buying into British accountancy, and the number of UK accountancy firms fell from 43,720 in 2019 to 39,975 by 2025, a drop of 8.6%, according to analysis by Rapport Digital reported by PQ Magazine.
- • Crowe estimates as many as 20 of the UK's top 60 accountancy firms now have private equity backing, and ICAEW research suggests around a quarter of mid-tier firms have taken external investment.
- • Accountancy Europe found PE deals in the sector rose sharply from 2023 and named the UK as the most active market in Europe between 2015 and 2025.
- • In 2024, Cinven took a majority stake in Grant Thornton UK, the first of the UK's largest firms to sell control to a PE fund.
- • Independent practices can compete by targeting specific client niches, maintaining clear sector-focused websites, and positioning partner-led service as a differentiator against consolidated groups.
Summary
The turning point for the profession was Cinven's 2024 acquisition of a majority stake in Grant Thornton UK, the first of the largest UK firms to sell control to a PE fund. PE investors are drawn to the sector's recurring fees, low client churn and predictable cash flow, along with its fragmentation, which supports a buy-and-build model. Platform firms acquire smaller practices, consolidate back-office functions and cross-sell advisory services. Some deals use leveraged buyouts, while others are minority stakes. For partners, a sale can offer an exit amid succession challenges; the article cites CCAB figures showing the average UK accountant is now 46 years old.
PE ownership carries pressures. Funds typically aim to sell within three to seven years, which can lead to changes in fees, service lines and client contacts. Audit firms face additional constraints: UK rules require a majority of voting rights to be held by qualified auditors, so PE-backed groups often separate audit work from other services. The Financial Reporting Council has said it is watching PE ownership of audit firms closely, focusing on independence and audit quality.
PE-backed groups benefit from central marketing budgets and scale, but independent firms can still compete by specialising. Prospective clients typically search for accountants serving particular situations, such as contractors, landlords or dental practices, and sector-specific content that addresses those clients' problems helps firms win searches and AI-driven recommendations. The article cites Pew Research Center data showing users click traditional results in 8% of visits when Google shows an AI summary, versus 15% without one, and a 2025 Ravical study finding UK firms estimate 64% of business clients consult ChatGPT before contacting them. For owners weighing PE offers, the article advises rigorous due diligence on buyer terms, deferred payments and client handling. Partner-led independence, it concludes, may become a more valued selling point as consolidated groups grow.
Go deeper than the headline
Research every firm in this story, track the ones that matter and get the daily briefing — free for 7 days.