New HMRC Rules for UK Cryptoasset Service Providers coming Jan26

From 1 January 2026, anyone using crypto-asset services must provide specific personal or business details to the service provider so that that HMRC can accurately link crypto transactions to tax records. Crypto-asset services include exchanges, wallet apps, NFT marketplaces and portfolio managers.

For individuals:

• Full name
• Date of birth
• Residential address and country of residence
• Tax identification number: in the UK, this could be your National Insurance number or Unique Taxpayer Reference (UTR)
• If you live outside the UK and don’t have a tax ID, it’s not required

For entities (e.g., companies, trusts, charities):

• Legal business name
• Main business address
• UK company registration number, if applicable
• Overseas firms need to provide their tax identification number and issuing country
• Some entities may also need to include details of their controlling person

These details must be given to every crypto-asset service provider, regardless of whether the provider is UK-based or not. The information is mandatory and must be accurate, failure to provide or providing incorrect information could lead to a penalty of up to £300.

For more information, see https://www.gov.uk/guidance/information-youll-need-to-give-to-uk-cryptoasset-service-providers