From 1 January 2026, crypto platforms in the UK and across the EU will start collecting far more tax-relevant customer and transaction data than before. This is not a new “crypto tax”. It is a new crypto tax reporting system that gives tax authorities better visibility of crypto activity, particularly where money moves across borders.
For many people, the impact will feel practical rather than theoretical. You will see tougher onboarding questions, more follow-up requests, and regular reviews of your account information. If you have crypto gains or income, the days of “HMRC will never see it” thinking are ending fast.
The UK is implementing the Crypto-Asset Reporting Framework (CARF), designed by the OECD, through UK regulations and guidance on how to report crypto tax to HMRC.
In plain terms, CARF requires reporting cryptoasset service providers to:
HMRC has also confirmed domestic reporting will cover UK resident customers using UK-based reporting providers, so the information is not only for non-UK customers.
Across the EU, DAC8 extends tax transparency to crypto-asset transactions.
Key points from the European Commission:
Irrespective of whether your platform sits in the UK or the EU, the direction is the same: more data collection, then formal reporting.
Here is the timeline we want clients to focus on:
You should expect platforms to request and verify details that help determine who you are and where you pay tax.
Common items include:
If you do not provide the required information, penalties can apply. HMRC-linked guidance highlights penalties up to £300 in relevant cases for missing or incorrect information.
CARF does not replace your current tax duties. You still need to work out whether activity triggers Capital Gains Tax or Income Tax, then report correctly through self-assessment when required.
What changes is visibility.
HMRC guidance explains the goal is to link reported crypto activity to a taxpayer’s records, so the right tax gets paid.
You will likely notice:
If you hold or trade crypto, here are sensible actions you can take now.
Many people miss that certain “non-cash” disposals can still trigger a taxable event. HMRC guidance on selling or disposing of cryptoassets covers core principles.
If you have historic gains or income not reported, voluntary disclosure often provides a better outcome than waiting for HMRC contact. HMRC provides routes for paying unpaid tax on cryptoassets.
If you trade actively, consider quarterly record checks. It reduces the year-end scramble and cuts errors.
If you operate a UK cryptoasset platform, the starting point is simple: data collection and due diligence begin from 1 January 2026 under HMRC guidance.
The UK framework sits in law through the 2025 regulations, with registration and penalties built in. Practical priorities for providers as per requirements for crypto tax reporting include:
If you operate in the EU, DAC8 creates similar demands, with collection from 1 January 2026 and reporting timelines into 2027.
Apex Accountants help individuals and businesses prepare for CARF and DAC8 and report crypto tax to HMRC with practical, tax-led support.
If you want a clear plan before 1 January 2026, book a consultation with Apex Accountants.
No. CARF is a reporting and information-sharing framework. Your existing UK tax duties still apply.
HMRC guidance indicates the first report covers 1 January to 31 December 2026, then it is due by 31 May 2027.
Expect tax residence details and a TIN, plus identity data used to verify you. HMRC-linked commentary also notes penalties where required info is not provided.
Yes. DAC8 expands EU automatic exchange rules to crypto-asset transactions, with rules in force from 1 January 2026 and reporting timelines into 2027.
From 1 January 2026, the requirements for crypto tax reporting move into a new phase in the UK and Europe. Platforms will collect more data, tax authorities will receive more reports, and cross-border information sharing will increase.
If you invest in crypto, the best move now is simple: tidy your records, confirm your tax position, and then report consistently. If you run a crypto business or platform, treat 2026 data capture like a live compliance project starting on day one.
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