Know what you made, and prove what you owe.

MyCops tracks every item from the receipt that bought it to the sale that closed it, and turns that into a UK tax estimate with every figure traced back to its source.

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One book, from purchase to tax year.

Traceable by design

Every item links to its receipt, from purchase through to sale. No orphaned numbers.

source_doc → sale

Organised automatically

Unsold stock and sales split by UK tax year (6 April to 5 April) as items sell.

6 Apr – 5 Apr

A cited tax estimate

Your reselling profit combined with your other income, sourced line by line to GOV.UK.

gov.uk cited

The rules are getting tighter every year.

2.65M

sellers expected to come under Making Tax Digital by 2028/29

Source: gov.uk, MTD for Income Tax thresholds

£7bn+

UK resale market, growing around 9% a year

Source: Bleckmann, Jan 2026

Apr 2026

Making Tax Digital for Income Tax begins, with quarterly filing

Source: gov.uk

Be the first to use MyCops.

We're onboarding early resellers now. Contact details will be published here soon.