Pay once, download your HMRC-ready report.
No subscriptions. No per-transaction fees. No surprises.
Scan and classify 75 transactions free — pay only when you download.
Up to 500 transactions
Active trader with some DeFi. Swaps, staking, a few LP positions.
Up to 2,000 transactions
Regular DeFi across multiple protocols — LPs, staking, bridging, and more.
No transaction cap
Multi-wallet portfolios, yield farming, heavy on-chain activity.
Each wallet sync processes up to 5,000 transactions. Multiple wallets supported. Need higher volumes? Get in touch.
Questions? hello@chaintax.co.uk — we typically reply within a few hours.
Get both tax years in one checkout and save.
Starter
£98 separately
Pro
£198 separately
Unlimited
£358 separately
Bundle covers 2025/26 and 2026/27. Already purchased one year? Buy each year individually to upgrade.
All three HMRC matching rules: same-day, 30-day bed-and-breakfast, and Section 104 pooling (average cost basis). Bridging and ETH→WETH wrapping are correctly treated as non-disposal transfers. 2024/25 split-year CGT rates (10%/20% before 30 Oct, 18%/24% after) are applied per disposal.
Connect your wallets and classify up to 75 transactions. View your full report summary, every classification with confidence ratings, and Show Working for each disposal. PDF and CSV downloads require a purchase.
Yes. Buy Starter now and upgrade to Pro or Unlimited later — you only pay the difference. Your data stays intact.
You file once per year, so you pay once per year. Each purchase covers one UK tax year (6 April to 5 April). No recurring charges, no auto-renewals.
Ethereum, Arbitrum, Optimism, Base, and Polygon — covering the vast majority of UK DeFi activity.
Each wallet sync fetches up to 5,000 transactions. If you have activity across multiple wallets, each one gets its own 5,000 allowance. For very high-volume portfolios beyond that, email us at hello@chaintax.co.uk and we'll sort you out.
A crypto-specialist accountant charges £300+ to manually classify 50 DeFi transactions. ChainTax classifies thousands automatically, with full working shown, from £49.