Tax and audit firms in London

Big Four firm headquartered in London; fund audit, asset-management tax and regulatory advisory.

Big Four firm headquartered in London; fund audit, asset-management tax and regulatory advisory.

Big Four firm headquartered in London; fund audit, asset-management tax and regulatory advisory.

Big Four firm headquartered in London; fund audit, asset-management tax and regulatory advisory.

UK member of the BDO network; funds audit and tax for alternative and traditional managers.

UK member of the Grant Thornton network; funds audit and tax for alternative and traditional managers.

UK member of the RSM network; funds audit and tax for alternative and traditional managers.

UK audit and advisory firm from the Mazars and FORVIS combination; funds audit and tax practice.

Mid-tier accountancy and business advisory group formed through 100+ acquisitions, offering tax, audit and reporting services across a 190-office network.

Marking 80 years, a partner-led tax, accounting and advisory practice serving owner-managed businesses, international groups and private clients.

Independent since 1919, the largest single-office accountancy practice in the UK, with 70+ dual-qualified US/UK tax specialists.

Big firm capability with boutique energy, the largest B Corp Certified accountancy firm, serving founders and mid-market businesses.

Tracing roots to 1866, headquartered in London, led by its first female Managing Partner and co-founder of the MSI Global Alliance.

Audit, tax and advisory support for banks, insurers, asset managers, pension schemes, investment trusts, fintechs and fund structures.

CASS audit specialist across investment, insurance, payments/e-money and crypto/stablecoin firms, plus asset managers and alternative investment schemes.

Investment-fund specialist across private equity, venture capital and hedge funds, backed by a 50,000-expert, 147-territory global network.

Fund audits, CASS reviews and safeguarding audits for payments/e-money, asset management, insurance broking, alternative finance and fintech clients.

Audits UCITS, private-equity and venture-capital funds for wealth and asset managers, broker/dealers and alternatives firms, including CASS assurance.

Top 30 accountancy and business advisory firm with offices spanning Dubai and the Eastern Caribbean alongside East Anglia and London bases.

Chartered accountancy and tax advisory partnership founded in 1933, prioritising quality over size for private clients and their businesses.

Chartered accountancy and business advisory firm dating to 1855, part of the Nexia global network of independent accounting firms.

Chartered accounting network combining global intelligence with local presence, offering audit and assurance, corporate tax and VAT, and cloud accounting.