Peder Kjos
Peder is editor-in-chief of Tax Guide Crypto. He has held and traded cryptocurrency since 2017 and has filed his own crypto tax returns every year since. Background in financial journalism and self-employed bookkeeping.
Peder writes about the technical side of crypto tax: capital gains, cost basis, share-pooling, the 30-day bed-and-breakfasting rule, and edge cases such as DeFi, NFTs, staking and residency changes. He has tested every major crypto tax tool with real portfolios on Coinbase, Binance, Kraken, Bitstamp and Crypto.com, and works with HMRC-registered accountants to fact-check the content against published HMRC manuals. Everything on Tax Guide Crypto is information, not individual tax advice.
- UK crypto tax (HMRC Self Assessment, CGT pages)
- Cost basis and share-pooling rules
- DeFi, staking and NFT taxation
- Crypto tax software testing and comparison
Articles by Peder
- Coinpanda review 2026: best UK alternative to Koinly?
Our test of Coinpanda for UK crypto tax in 2026: 9.4/10, free 25-tx tier, HMRC CGT-ready report and 1,000+ exchange integrations.
- Koinly review 2026: best UK crypto tax software for HMRC?
Hands-on Koinly review for UK filers in 2026: 9.7/10, HMRC Self Assessment-ready CGT report, share-pooling and 30-day rule handled automatically.
- CoinLedger review 2026: usable for UK CGT or US-only?
CoinLedger 2026 review for UK filers: 8.6/10, US-built with TurboTax integration, generic gain/loss exports adaptable for HMRC SA108 with manual mapping.
- Crypto Tax UK 2026: complete HMRC Self Assessment guide
How to report crypto on UK Self Assessment in 2026. Step-by-step from cost basis through CGT to SA108, with 2026 allowances and worked examples.
- Crypto Tax USA 2026: complete IRS Form 8949 and 1040 guide
How to report crypto on US taxes in 2026. From cost basis through Form 8949, Schedule D, and the new 1099-DA, with 2026 brackets and worked examples.
- Best UK crypto tax strategies 2026: harvest losses, max allowances
How UK investors can legally minimise their crypto tax bill in 2026. Tax-loss harvesting, share-pooling, the 30-day rule and the £3,000 CGT allowance.
- Best crypto tax software UK 2026: Koinly, Coinpanda, CoinLedger
Hands-on roundup of the best crypto tax software for UK filers in 2026. Koinly £39+ tops the list for HMRC share-pooling; Coinpanda and CoinLedger compared.
- How to calculate UK crypto CGT in 2026: step-by-step worked example
Calculate UK crypto Capital Gains Tax step by step in 2026. Section 104 share pool, same-day rule, 30-day rule, £3,000 allowance, with worked numbers.
- Best crypto tax software 2026 UK: HMRC reports, share-pooling, CARF
Best crypto tax software for UK Self Assessment in 2026. Direct HMRC report download, share-pooling, CARF data import compared across Koinly, Coinpanda, CoinLedger.
- Do I have to file Self Assessment for crypto? UK rules 2026
When crypto triggers a UK Self Assessment in 2026: £3,000 CGT allowance, £50,000 disposal proceeds threshold, staking and trading allowance rules.
- UK accountant cost vs DIY crypto tax: 2026 pricing breakdown
How much a crypto accountant costs in the UK in 2026: £300–£800 simple Self Assessment, £1,000+ for DeFi, vs DIY software at £39–£199. When each is worth it.
- Best crypto software for taxes UK 2026: feature-by-feature comparison
UK feature-by-feature comparison of crypto tax software 2026: HMRC export, share-pooling, DeFi, NFT, free tier across Koinly, Coinpanda, CoinLedger.
- Best software for crypto taxes UK 2026: how we choose, top 3 picks
How to pick crypto tax software for UK Self Assessment in 2026: UK-readiness, exchange coverage, audit trail. Top 3 picks: Koinly, Coinpanda, CoinLedger.
- When to report crypto on UK Self Assessment: deadlines and penalties
UK crypto tax deadlines for 2026: tax year 6 April – 5 April, paper deadline 31 October, online 31 January. Penalties, real-time CGT rules, registration timing.
- SA108 for crypto: UK Capital Gains Summary box-by-box guide 2026
How to complete SA108 for crypto in 2026: box-by-box breakdown of disposals, proceeds, costs, gains and losses, plus the working sheet HMRC expects.
- How to calculate crypto taxes in the UK (2026 HMRC guide)
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.
- Which UK tax form for crypto? SA100, SA108 and SA106 explained (2026)
Which Self Assessment forms do you need for crypto in the UK? Plain-English guide to SA100, SA108 (Capital Gains), SA106 (foreign income) and SA110 — with the boxes that matter.
- 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.
- Best practices for UK crypto tax filing in 2026
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.
- Do I have to report crypto on UK taxes? (2026 HMRC rules)
When must UK investors report crypto to HMRC in 2026? Disposals over £50,000, gains over £3,000, trading vs investing, and what CARF data sharing means for you.
- The best crypto tax software for UK in 2026 (Koinly, Coinpanda, CoinLedger)
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.
- How to report crypto on UK Self Assessment (step-by-step 2026)
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.
- Do you need a crypto tax accountant in the UK? (2026 guide)
When to hire a crypto tax accountant in the UK and when DIY plus software is enough. Decision criteria for portfolio size, DeFi complexity, HMRC enquiries and non-dom status.
- Claiming UK crypto losses on Self Assessment (2026 guide)
How to claim crypto losses on UK Self Assessment in 2026: in-year offset, indefinite carry-forward, the 4-year claim window, negligible value claims for rugged tokens, and a worked example.
- Get the most from your UK tax return: 2026 crypto edition
How to legally minimise your UK Self Assessment in 2026: use the £3,000 AEA, harvest losses before 5 April, spousal transfer, claim allowable expenses, and navigate the new 18%/24% CGT bands.
- Crypto Tax Calculator UK 2026: how to calculate CGT step by step
Calculate your UK crypto CGT for 2026 in five steps. Worked HMRC example with share-pooling, the 30-day rule, and three tools that do the maths for you.
- HMRC Self Assessment crypto deadline 2026-27: dates and penalties
When you must file and pay UK crypto tax: 31 January 2027 for 2025-26 disposals, plus penalties, payments on account, SA108 forms and HMRC nudge letters.
- 30-day rule crypto UK 2026: bed and breakfasting explained
How HMRC's 30-day bed-and-breakfasting rule reshapes your UK crypto cost basis. Worked examples, DeFi gotchas and legitimate tax-loss harvesting strategies.
- DeFi Tax UK 2026: liquidity pools, lending and HMRC's view
How HMRC treats DeFi in 2026: liquidity provision, lending, yield farming and wrapping. With worked Section 104 examples and the 2024 update.
- Crypto Staking Tax UK 2026: HMRC income and CGT rules
How HMRC taxes staking rewards in 2026: miscellaneous income at receipt, CGT on later disposal, plus liquid staking, validators and slashing.
- Crypto Loss Claim HMRC 2026: how to offset and carry forward
How to claim crypto losses against HMRC in 2026: in-year offset, carry forward, negligible value claims, lost wallets and exchange failures. Worked examples.