UK Crypto Tax Help
Get Your UK Crypto Tax Right
Tell us briefly about your crypto activity or HMRC concern. It takes about two minutes. Where appropriate, we introduce you to an ICAEW-regulated firm of chartered accountants. Whether the firm takes on your matter is its decision alone. We aim to respond within one working day.
Free to enquire · No obligation.
How It Works
A clear route to professional support
Tell us about your situation
Complete a short enquiry form. It takes about two minutes and you do not need documents yet. Your information is held securely by GMFBB Ltd.
We review your enquiry
We review every enquiry before anything is shared with a partner firm, and that review checks whether an introduction is appropriate. We aim to respond within one working day.
The firm takes it from there
Where appropriate, we introduce you to an ICAEW-regulated firm of chartered accountants. Whether the firm takes on your matter is its decision alone, and it agrees its own scope and fees with you before any work starts.
Submitting an enquiry does not create an accountant-client relationship.
HMRC sent almost 65,000 crypto nudge letters in the 2024/25 tax year. Penalties on undisclosed tax run from nothing where reasonable care was taken up to 100% of the unpaid tax, and up to 200% where the tax involves an offshore matter.
Letter volume: Freedom of Information data obtained by UHY Hacker Young. Penalty ranges: HMRC factsheet CC/FS7A and CC/FS17.
Services
How We Help
01
Crypto CGT Calculation
Work in this area typically involves calculating capital gains across disposals of every kind: DeFi swaps, staking rewards, NFT sales, and lost-key claims. It also involves Section 104 pooling, same-day rules and bed-and-breakfast adjustments.
View example →02
Self Assessment Filing
Work in this area typically involves preparing and submitting Self Assessment returns, including the dedicated cryptoasset section introduced for 2024–25. The figures are prepared for you; you sign and submit.
What’s needed →03
HMRC Investigation Support
Work in this area typically involves responding to HMRC nudge letters, compliance checks and investigation notices on your behalf, assembling the disclosure, and corresponding with HMRC on the penalty position.
Letter response guide →We receive a fee from the firm if you become its client. The fees you pay are agreed between you and the firm.
2026 Outlook
Why act now
CARF Live
The Cryptoasset Reporting Framework came into effect on 1 January 2026. First reports reach HMRC between 1 January and 31 May 2027, covering the 2026 calendar year.
Read the CARF guide →CGT Allowance Cut
The annual exempt amount is £3,000 for 2025/26, down from £12,300 for 2022/23 and £6,000 for 2023/24. Gains that were once covered may now be taxable.
Use the calculator →Find professional support
We introduce you to an ICAEW-regulated firm of chartered accountants. Whether the firm takes on your matter is its decision alone.
Start your enquiry →FAQ
Common questions
Is bitcointax an accountancy firm?
No. bitcointax.co.uk is an introduction and information service operated by GMFBB Ltd. We do not provide tax advice. Advice is given by the firm we introduce you to, if it accepts your engagement.
Who provides the tax advice?
We introduce you to an ICAEW-regulated firm of chartered accountants. Whether the firm takes on your matter is its decision alone. The firm is responsible for any advice it gives you.
Is it free to enquire?
Yes. Enquiring is free and carries no obligation.
How are fees agreed?
The firm agrees its fees directly with you before any work starts. We receive a fee from the firm if you become its client. The fees you pay are agreed between you and the firm.
What happens to my information?
Your enquiry is held by GMFBB Ltd and reviewed first. We review every enquiry before anything is shared with a partner firm. Where appropriate we share it with a firm so the firm can contact you about your enquiry. See our Privacy Policy for full details.
How quickly will I hear back?
We aim to respond within one working day.
Ready to speak to a professional?
Free to enquire. No obligation. We introduce you to an ICAEW-regulated firm of chartered accountants. Whether the firm takes on your matter is its decision alone.
Start your enquiryFree to enquire · No obligation.