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CGT & Crypto Tax Return UK

Expert HMRC Reporting for Cryptocurrency Gains and Losses

Cryptocurrency trading, staking, or investing in digital assets can create complex Capital Gains Tax (CGT) obligations in the UK. WiseTax specialise in crypto tax reporting and HMRC-compliant CGT returns for individuals, investors, and companies.

Whether you’re a casual crypto investor or an active trader, HMRC requires you to report all cryptocurrency gains and income – even if you haven’t withdrawn funds to your bank account.

At WiseTax, we specialise in UK crypto tax compliance, helping individuals and businesses calculate profits across exchanges, wallets, NFTs and DeFi platforms.
Our crypto accountants ensure every transaction is accurately recorded, categorised and reported according to HMRC Capital Gains Tax and Income Tax rules.

Why You Need a Crypto Tax Specialist

HMRC now actively monitors crypto transactions through UK exchanges and international data-sharing networks. Filing incorrectly or missing a return can lead to penalties, interest, or even investigations.

Our Crypto Tax Services Include:

Calculation of crypto capital gains and losses under HMRC rules

We calculate your capital gains or losses from selling, swapping or spending crypto, applying HMRC’s pooling rules and allowable cost deductions. You’ll receive a clear breakdown of taxable profits and any available reliefs.

Reporting of DeFi, staking and airdrop income

WiseTax identifies taxable income from staking rewards, liquidity pools, lending, and airdrops, ensuring each source is correctly classified under UK tax law.

NFT trading analysis and profit declaration

Our experts analyse your NFT trading activity, distinguishing between capital and income treatment, and recording each transaction for full HMRC transparency.

Data reconciliation from multiple wallets and exchanges

We import and verify transaction data from Binance, Coinbase, Kraken, MetaMask, Ledger, and other wallets or platforms, consolidating it into one clear report.

Preparation and submission of Self Assessment or LTD tax return

Once your data is verified, WiseTax prepares your Self Assessment (for individuals) or Corporation Tax return (for LTDs) and submits it directly to HMRC.

HMRC disclosure and compliance advice

If you’ve missed reporting previous crypto income, we can assist with HMRC voluntary disclosure to correct records, minimise penalties and restore compliance.

Why Crypto Investors Choose WiseTax

  • Specialist UK crypto accountants with HMRC experience
  • Accurate gain and income calculation across multiple wallets
  • Full compliance with HMRC’s Capital Gains and Income Tax rules
  • Confidential support for individuals, traders and LTDs
  • Transparent pricing and bilingual service (English & Polish).

Fill out the form to get a quote today:

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What customers are saying:
The law firm verified my tax situation at the tax office and submitted the overdue Self Assessment settlements, as well as supplemented the work of the previous accounting firm by optimizing my taxes. I am very satisfied with the cooperation with p Magda from Wisetax, she offered me better solutions than I had before
Tomasz Maciulewisz
Political journalist
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