Koinly

Item: Koinly
Rating: 4.0
Author: Maren Holst

HMRC

Commission: 20–25% initial + up to 20% recurring (40% top negotiated tier)
Cookie: 90d
12m EPC: $2.83
Payout rel.: 100
Clawback: —

Koinly is the dominant volume pick for UK crypto-tax affiliates — the universal "most popular UK pick" across r/UKPersonalFinance and UK crypto guides, with the longest verified cookie window (90 days via Impact) and the broadest integration coverage (700+) in the UK cohort. EPC v1 $2.83 ranks #3 behind TokenTax + Recap; the volume profile beats both.

Pros

90-day Impact cookie window — the only non-30-day cookie in the UK cohort
Universal 'most popular UK pick' SERP positioning across UK crypto guides
700+ exchange/wallet/blockchain integration count — broadest in the UK cohort
GBP-converted checkout pricing on koinly.io (£49 Newbie up to £319 Pro)
Trustpilot 4.7/5 across ~1,200 reviews — tied for highest trust score in the UK cohort

Cons

Norway HQ — no Companies House visibility vs. Recap's UK-built moat
Base 20–25% rate ladder lower than CoinLedger's flat 25% on a 12-month projection
40% top tier requires negotiated/volume agreement — not the default rate

† Long-form review body pending — editorial expansion scheduled for the next Issue sweep.

Annex · How we scored it

Every factor, every value, every note.

base_payout: $31.42
cookie_decay: 0.75
attribution_factor: 1.00
reliability_factor: 1.00
conversion_rate_estimate: 0.12
payment_threshold_friction: 1.0
12m true-EPC (computed): $2.83
relative grade (vs top in cell): B+ · 81/100

full methodology v3.2

Adjacent · same cell

Rank

Crypto tax software · SaaS subscription + tax-pro consultation

TokenTax

HMRC

Rank

Crypto tax software · SaaS subscription

Recap

HMRC

Rank

Crypto tax software · SaaS subscription

CoinLedger

HMRC

Edited by

Maren Holst

Senior Editor

Signed · M.HOLST

Fact-checked by

Asha Devi

Standards Desk (Fact-Checker)

Signed · A.DEVI

Issue meta

vol iii · iss 14

published 2026-05-18

last sweep 2026-05-22

methodology v3.2 · audited apr '26

Companies House #OC4451x

Editorial signatures and issue metadata