Cryptoassets: common tax mistakes to avoid

Cryptoassets can create unexpected tax liabilities. HMRC’s guidance highlights several areas where mistake can be made.
Assuming crypto-to-crypto exchanges are tax-free. Exchanging one type of
New customs system for Northern Ireland trade

Businesses using the Trader Support Service (TSS) to move goods between Great Britain and Northern Ireland need to prepare for a new platform launching soon. From 20 October 2026, all goods movements
HMRC publishes latest deliberate tax defaulters list

HMRC has published an updated list of deliberate tax defaulters. The list includes individuals, businesses and companies, detailing the amounts on which penalties are due and the exact penalties
UK carbon border tax starts January 2027

Businesses importing certain carbon-intensive goods into the UK will face a new carbon tax from 1 January 2027, when the Carbon Border Adjustment Mechanism (CBAM) comes into effect.
CBAM will apply
Tax rules for cryptoassets set to change

The tax treatment of some crypto assets is set to change under draft legislation for Finance Bill 2026-27. The proposed changes include new rules for qualifying stablecoins, crypto asset loans and
Could company distribution rules change?

The tax rules concerning what constitutes a distribution for tax purposes have remained largely unchanged since Corporation Tax was introduced in 1965. HMRC has recently published a consultation
HMRC penalties for failing to notify a tax liability

If you become liable to pay a tax or register for a tax that HMRC has not already been informed about, you must notify HMRC within the relevant time limit. Failing to do so can result in a financial
Amending a mistake on your tax return

What happens if you discover a mistake on your tax return? The good news is that errors can usually be corrected, but it is important to take action as soon as possible to avoid paying the wrong
Records you should keep after submitting your tax return

After submitting your self-assessment return it is important to keep your records used to prepare the return. HMRC may ask to check your return, so it is important to keep the supporting documents and
Claiming tax relief on professional training

Keeping your skills and knowledge up to date is important but the cost of professional training can add up. If you are self-employed some training costs may be claimed as allowable business