Self Assessment checker

Quick answer: Check whether you may need to register for Self Assessment based on crypto gains or income. Free from Digital Assets UK, with figures checked against gov.uk. Estimates only — not tax advice.

Checker

Do I need Self Assessment?

Tick everything that applies this tax year (6 April to 5 April).

I only bought and held crypto — no sales, swaps, spending or incomeI sold, swapped or spent crypto this tax yearMy total gains exceed the £3,000 CGT allowance (after losses)My total disposal proceeds exceed £50,000 (even if gains are below £3,000)I received crypto as income (staking, mining, pay)

You may not need Self Assessment for crypto this year

Holding crypto without disposing, or gains below the allowance with no income, often means no return — but keep records.

Not tax advice. Estimates only. Verify with gov.uk and HMRC.