Best crypto tax software UK 2026: 9 platforms reviewed
We tested nine crypto tax tools for UK Self Assessment in 2026. Best overall: Koinly. Best free tier: Coinpanda. Best for US filers: CoinLedger. Comparison table inside.
Crypto tax software has become a near-requirement for UK filers with more than a couple of dozen transactions. HMRC's share-pooling regime is unforgiving by hand, and the cost of getting it wrong — interest, penalties and a possible enquiry — outweighs the £40-£160 you spend on a tool. We tested nine platforms against a 320-transaction UK portfolio for 2025/26 and ranked them on accuracy, coverage, price and HMRC-readiness.
The short verdict
How we tested
We rebuilt the same 320-transaction 2024/25 portfolio in each tool: Coinbase fiat ramp, Binance alt trading, Kraken with staking, a Crypto.com Visa, a Ledger BTC stash and a MetaMask wallet running an Arbitrum DeFi position. We scored each platform on:
- Correct application of same-day, 30-day and Section 104 rules
- HMRC report quality (does it map to SA108 without re-typing?)
- Exchange and blockchain coverage
- DeFi protocol categorisation
- Price for a 1,000-transaction year in pounds
- Customer support response time
Comparison table
| Tool | HMRC rules | Free tier | 1,000-tx price | Best for |
|---|---|---|---|---|
| Koinly | Excellent | Preview only | ~£79 | UK overall |
| Coinpanda | Very good | 25 tx free | ~£75 | Free tier |
| CoinLedger | Good | Preview only | ~£79 | UK + US |
| CryptoTaxCalculator | Excellent | None | ~£199 | Heavy DeFi |
| Recap | Excellent | None | ~£149 | Accountant clients |
| TaxBit | Limited UK | Limited free | ~£100 | Enterprise |
| ZenLedger | Good | 25 tx free | ~£120 | US-first users |
| TokenTax | Good | None | ~£260 | Done-for-you service |
| Awaken | Improving | None | ~£140 | NFT-heavy portfolios |
1. Koinly — our pick for UK
Koinly scored 9.7/10 in our hands-on review. It applies HMRC's ordering rules correctly, produces a clean Capital Gains Summary mapped to SA108 boxes 14-22, and tracks the £3,000 annual exempt amount live on the dashboard. The free preview shows the full report; you only pay to download the PDF. Pricing starts at about £39 for 100 transactions and rises to £159 for 10,000+.
Read our full Koinly review for the test details.
2. Coinpanda — best free tier
Coinpanda is the only mainstream tool that lets you generate and download a usable HMRC report on its free plan, capped at 25 transactions. For someone who bought BTC twice in 2025 and sold once, that is all you need. Beyond 25 transactions, paid plans start at around £49 and run to £189. UK share-pooling is implemented well; the DeFi categorisation lags Koinly slightly on more obscure protocols.
3. CoinLedger — best for dual filers
CoinLedger leads in the US market and added solid UK support over the last two tax cycles. Its real strength is dual-jurisdiction filing: if you have to do both Form 8949 in the US and SA108 in the UK, one CoinLedger subscription covers both. Pure UK filers usually still prefer Koinly. Pricing starts at ~£39.
4. CryptoTaxCalculator — for heavy DeFi
Australian-built, with the deepest DeFi categorisation engine of any of the nine tools. It correctly decodes obscure liquid-staking and re-staking flows that confuse most platforms. UK rules are properly implemented. The drawback is price: the equivalent of the Koinly Hodler tier sits at around £199. Worth it if you have an Arbitrum or Solana portfolio with hundreds of swaps a year.
5. Recap — UK-built, accountant-friendly
Recap is one of the few tools designed specifically for UK tax. The reporting layout maps to SA108 with zero re-typing, and accountants get a multi-client dashboard. Pricing is transparent in pounds. The downside is fewer integrations than Koinly — you may need CSV imports for niche exchanges. Strong choice if you work with an accountant who uses Recap professionally.
TaxBit, ZenLedger, TokenTax and Awaken
TaxBit pivoted toward enterprise after losing its consumer free tier. Solid US support; UK is functional but not best-in-class.
ZenLedger is the US-first option with reasonable UK support. Good if you also need a US Form 8949. UK Section 104 logic is competent but not polished.
TokenTax bundles software with done-for-you tax preparation. Useful if you have £20k+ of crypto and want professional review; expensive for DIY filers.
Awaken is an NFT-first tool that has improved its DeFi and CGT logic. Worth a look if your portfolio is dominated by NFT trades.
How to pick
For most UK investors, the decision is two questions:
- Did you have fewer than 25 transactions? Try Coinpanda free first.
- Anything more? Use Koinly. Pay the £39-£159 to get HMRC-ready figures and an audit trail you can hand to an accountant if HMRC ever asks.
For deeper context on what the calculation actually involves, see how to calculate crypto taxes (UK) and our 2026 roundup at the best crypto tax software (2026).
Frequently asked questions
Which crypto tax software is best for UK Self Assessment?
Koinly. It is the only major tool that applies HMRC's same-day, 30-day and Section 104 rules in the correct order out of the box, produces a Capital Gains Summary that maps directly to SA108 boxes, and supports more than 800 exchanges and 170+ blockchains.
Is there a free crypto tax tool that works for UK?
Coinpanda has the most generous free tier — 25 transactions including a downloadable HMRC report. Koinly's free preview shows the full calculation but charges to download. For tiny portfolios, Coinpanda free is enough; for anything larger, paid Koinly is usually better value.
Can I use US-built tools like CoinLedger for HMRC?
CoinLedger has UK support and produces an HMRC-compatible report, but its share-pooling implementation is less mature than Koinly's. It is a good fit if you also file in the US and want one subscription for both. UK-only filers usually prefer Koinly or Coinpanda.
Do these tools file my Self Assessment for me?
No. They produce the calculations and a PDF report you can paste into SA108 boxes 14–22. Filing happens via HMRC online, commercial Self Assessment software, or your accountant.
Les videre
What's new in 2026: CARF imports, AI DeFi categorisation and refreshed HMRC export formats. Side-by-side review of Koinly, Coinpanda and CoinLedger for UK Self Assessment.
Step-by-step guide to filing crypto on HMRC Self Assessment in 2026: log in, tailor the return, complete SA108 boxes 14-22, attach computation, and submit by 31 January.
Step-by-step UK guide to calculating crypto Capital Gains Tax in 2026: share-pooling, same-day rule, 30-day bed-and-breakfasting rule and a worked example with five disposals.
A 5-step process for filing crypto on UK Self Assessment in 2026: gather records, compute cost basis, calculate gains, optimise, file SA108. With software tips and HMRC-friendly habits.