How do I set out my crypto assets clearly for HMRC?
In short: Paucitas sets out your crypto for HMRC per tax year, with every disposal in pounds sterling, the pooled costs per token and a traceable substantiation per wallet. You supply your addresses and exports, we produce the overview you and your adviser can use for your Self Assessment tax return.
Prefer to speak to someone straight away? Call 24/7+31 20 244 5774
How Paucitas sets out crypto for HMRC
We first take stock of which wallets and accounts exist, including the forgotten wallets and the balances still sitting at an exchange. Then every transaction is reconstructed per wallet and per token and converted into pounds sterling with a price source that is recorded.
HMRC does not tax the value of your crypto on a fixed date. What matters to HMRC is what you disposed of: selling tokens, exchanging one token for another, using them to pay for something or giving them away can each create a gain for Capital Gains Tax, and crypto received as income can be taxed as income. The tax year runs from 6 April to 5 April. See HMRC: check if you need to pay tax when you sell cryptoassets.
HMRC expects you to keep your own records, because exchange reports are not tax calculations and do not track pooled costs. Those records include the type of token, the date of each disposal, the number of tokens disposed of and left, the value in pounds sterling, bank statements and the pooled costs before and after each disposal. That is exactly the list the overview is built around.
What you supply
You supply Paucitas with the addresses of your wallets, the exports from your exchanges and, if you have them, your earlier return figures for crypto. Old figures are useful even when they were wrong, because they show where a difference will be noticed.
If part of your holdings sat at a platform that has since closed, mention it at the start. Those transactions can usually still be reconstructed from the chain, but they take a different route and it helps to plan that in from the beginning.
What you receive
You receive from Paucitas an overview per tax year with every disposal, the pooled cost per token, the price source used and an account of the method. Every line refers back to the data it rests on, so your adviser can check a figure without asking you for anything.
The turnaround time is from the same day to around two weeks, depending on the case.
Since 1 January 2026, UK cryptoasset service providers also report customer details and a summary of transactions to HMRC under the Cryptoasset Reporting Framework. What happens in a wallet you hold yourself is not reported by a provider, and that is where a difference most often appears. A difference explained in advance rarely turns into a question afterwards.
How to get started
You contact us with a short description of your situation: which tax years, how many wallets, which exchanges. After that you know the scope and the cost before anything starts. Write through the contact page.
Paucitas establishes the facts and records them. The tax return and any tax advice remain with you or your adviser, and what HMRC does with the overview is for HMRC to decide.
Would you like to know what this means for your situation? Ring us on +31 20 244 5774, day or night, or fill in our contact form and you will hear from us within 1 to 3 hours. We answer emails within 24 hours, usually the same day. The intake is free and without obligation.
Do you have a question about your own situation?
Feel free to get in touch with Paucitas. Paucitas can be reached by phone 24/7, including evenings and weekends. Through the contact form we usually reply within 1 to 3 hours, and we answer e-mail within 24 hours.
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Frequently asked questions
About your case
Does HMRC tax the value of my crypto each year?
Paucitas: no. HMRC does not tax the value of your crypto on a fixed date. It looks at disposals for Capital Gains Tax and at crypto received as income, per tax year from 6 April to 5 April.
Do I have to include forgotten wallets?
Paucitas: yes, if transactions took place on them in the tax years concerned. Leaving one out is the most common cause of a later question.
Can I give the overview to my adviser?
Paucitas: yes. It is built for that: every figure carries a source reference your adviser can check.
From Amsterdam, for the whole of the UK
Everything can be done fully online. Prefer to meet in person? You are very welcome at our office in Amsterdam, by appointment.
Paucitas is an independent expert firm based in the Netherlands that, for clients across the UK, investigates investment fraud and crypto fraud, establishes the origin and legitimacy of crypto assets and prepares expert reports for legal proceedings and compliance.
Your own situation
If you are reading this, you probably have a question about your own situation. That is exactly what Paucitas does.
The first step is contact by phone. You can book that call by phone or through the contact form, so you do not have to wait. In the call we look together at what can factually be established in your case and what Paucitas can examine for you.