About
Andersen LLP is the UK's leading specialist Web3 and digital assets tax practice, and the only crypto team to have won Tolley's Tax Awards for Best Specialist Team (2026), the Digital Commonwealth Best Advisory Firm (2026), and Spears 500 Top Recommended Crypto Advisors across 2022–2026.
Based in London, the firm provides personal, corporate, and international tax advice to Web3 clients — from individual investors and DeFi participants through to protocols, exchanges, and listed companies. The team co-authored Cryptoasset Taxation (Bloomsbury Professional, 2025), the definitive practitioner guide to UK digital asset taxation, and includes a former HMRC cryptoasset policy lead.
Services span crypto tax compliance, international structuring, HMRC disclosures, forensic blockchain analytics, expert witness work, and fractional CFO services.
