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Track your reselling profit in one place
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Settings
Business structure, profile & tax configuration
Business structure
This determines which taxes apply to you. Sole trader = Self Assessment & MTD for Income Tax. Ltd company = Corporation Tax via CT600 (MTD for Corporation Tax is not yet mandatory). Partnership = SA partnership return + individual SA returns. If you later incorporate (go Ltd), update this — it changes all your tax obligations.
The date your Ltd company was registered at Companies House. This splits your tax records — transactions before this date are reported as sole trader income; from this date onwards as Corporation Tax.
Used to apply the correct tax rules to your pre-incorporation transactions.
Important — incorporating mid-year affects your taxes:
1. Split tax year: Your Self Assessment covers 6 April to the day before incorporation. The Ltd company has its own accounting period starting on incorporation date.
2. Stock transfer: HMRC treats stock held at incorporation as a disposal by you personally (possible income tax) and a purchase by the Ltd at market value. Update your stock costs if needed.
3. Cessation profits: Sole trader profits up to incorporation are taxed at income tax rates — not Corporation Tax rates — even if not yet drawn out.
4. VAT: If VAT registered, cancel your sole trader VAT registration and re-register under the Ltd company. Your VAT number will change.
5. Assets: Equipment and vehicles transfer at market value. Get professional advice if significant assets are involved.
Always consult an accountant when incorporating. The split shown in Reseller OS is a guide — the final return must be filed professionally.
1. Split tax year: Your Self Assessment covers 6 April to the day before incorporation. The Ltd company has its own accounting period starting on incorporation date.
2. Stock transfer: HMRC treats stock held at incorporation as a disposal by you personally (possible income tax) and a purchase by the Ltd at market value. Update your stock costs if needed.
3. Cessation profits: Sole trader profits up to incorporation are taxed at income tax rates — not Corporation Tax rates — even if not yet drawn out.
4. VAT: If VAT registered, cancel your sole trader VAT registration and re-register under the Ltd company. Your VAT number will change.
5. Assets: Equipment and vehicles transfer at market value. Get professional advice if significant assets are involved.
Always consult an accountant when incorporating. The split shown in Reseller OS is a guide — the final return must be filed professionally.
Ltd company tax obligations: Corporation Tax (CT600) at 19–25% on profits. File accounts at Companies House within 9 months of year-end. CT600 due 12 months after accounting period end. MTD for Corporation Tax is not yet mandatory. You may draw a salary (PAYE) and dividends.
Business profile
Found on letters from HMRC. Stored locally only — never transmitted.
Required for Self Assessment. Stored locally only.
Your Companies House number. Required for Ltd companies.
Self Assessment & MTD for Income Tax
Register for Self Assessment if your net trading profit exceeds £1,000 (trading allowance) in a tax year.
MTD for Income Tax (digital quarterly reporting) becomes mandatory based on your gross trading income (before expenses):
• April 2026 — gross income over £50,000 (based on 2024/25 return)
• April 2027 — gross income over £30,000 (based on 2025/26 return)
• April 2028 — gross income over £20,000 (based on 2026/27 return)
Under MTD for Income Tax, you must submit 4 quarterly updates per year plus a final declaration by 31 January. Use HMRC-approved bridging software to file.
MTD for Income Tax (digital quarterly reporting) becomes mandatory based on your gross trading income (before expenses):
• April 2026 — gross income over £50,000 (based on 2024/25 return)
• April 2027 — gross income over £30,000 (based on 2025/26 return)
• April 2028 — gross income over £20,000 (based on 2026/27 return)
Under MTD for Income Tax, you must submit 4 quarterly updates per year plus a final declaration by 31 January. Use HMRC-approved bridging software to file.
Most sole traders use the standard 5 April year end. 31 March is also accepted by HMRC as equivalent.
VAT & MTD for VAT
Mandatory to register when taxable turnover exceeds £90,000 in a rolling 12-month period. MTD for VAT is mandatory for all VAT-registered businesses regardless of turnover — you must file via MTD-compatible software. Deadline: 1 calendar month + 7 days after the end of each VAT period.
Date your VAT registration took effect.
The VAT Margin Scheme is commonly used by second-hand resellers — you only pay VAT on the profit margin, not the full sale price.
Found on your VAT registration certificate. VAT return and payment due 1 month + 7 days after each period end (e.g. if quarter ends 31 March, deadline is 7 May).
Vehicle & fuel
Used to estimate fuel cost on sourcing trips. Based on actual fuel spend only — no wear, insurance or depreciation included, since this is a personal vehicle used occasionally for sourcing.
Miles per gallon for your car. Check your car's spec sheet or use a fuel tracker app.
Check AA fuel prices or your local pump for the current rate.
Fee calculator
Estimate platform fees and net proceeds
Platform fee calculator
Enter a sale price and pick a platform to see estimated fees and your net proceeds.
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Stock list
Printable with storage locations