Grant Thornton UK Overview
Pro stress-test →Grant Thornton is a multinational professional services network based in London that provides assurance, tax, and advisory services to privately held businesses, public interest entities, and public sector organisations. In 2025, the firm achieved 4% revenue growth to £787 million and underlying operating profit growth of 30% to £189 million.
Strategic Profile
Pro stress-test →The firm completed a historic transaction with Cinven in 2025 and established an Employee Benefit Trust, marking transformative milestones. In early 2026, Grant Thornton announced a £500 million investment in client experience powered by digital innovation. The firm supports 61% of the FTSE 100 and 42% of the FTSE 350 with insight-led advisory services.
Competitive Landscape
Pro stress-test →Grant Thornton competes with major global accounting and consulting firms such as Deloitte, PwC, KPMG, and BDO USA. Within the UK mid-market advisory and audit space, the firm is a leading independent player, though it faces competition from Big Four firms and regional practitioners. The firm is recognised as the UK's second most active M&A financial adviser in 2025.
Industry Context
Grant Thornton UK operates in Professional services accounting and audit.
Key facts
Founded: 1904 · Headquarters: London, United Kingdom · Employees: 5,001-10,000 · Revenue: £787m (2025) · Market cap: N/A