Amazon FBA accounting UK sellers find is deceptively hard, and the reason is simple: the lump sum Amazon pays into your bank every two weeks is not your revenue. That single settlement figure has already had a dozen types of fee netted off it, mixes sales across VAT treatments, and hides the numbers HMRC actually cares about. Record it as income and your books will be wrong in a way that quietly compounds. This guide explains how Amazon FBA accounting really works in the UK — settlements, fees and VAT — so your records are accurate and your tax adviser has something clean to work with.

Why the settlement is the whole problem

Every two weeks Amazon deposits a net figure into your account. That figure is the end result of a long calculation: gross sales, minus refunds, minus referral fees, minus FBA fulfilment fees, minus storage fees, minus advertising, plus or minus adjustments and reserves. If you book that deposit as a single sales figure, you have understated your true turnover (which matters for VAT registration and MTD thresholds), hidden your costs, and lost the VAT detail entirely.

Correct Amazon FBA accounting UK practice is to break every settlement back down into its components and record each one properly. The deposit is just the cash movement; the accounting happens underneath it.

Anatomy of an Amazon settlement

A typical settlement contains, at minimum:

  • Gross product sales — the actual revenue before anything is deducted.
  • Refunds and returns — reductions to revenue that must be recorded, not ignored.
  • Referral fees — Amazon's commission, a percentage of each sale.
  • FBA fulfilment fees — pick, pack and ship charges.
  • Storage fees — including long-term storage surcharges.
  • Advertising / sponsored product costs.
  • Reserves and adjustments — amounts Amazon holds back or corrects.

Each of these is a separate line in your books: sales as income, fees as expenses, refunds as reductions to income. Only when they are separated can you see your real margin and produce accurate VAT figures.

Cash vs accrual, and the settlement date trap

Settlements straddle period ends. A settlement paid on 5 July often covers sales made in late June. If you record everything on the payment date, you push June's sales into July and distort both months. Proper Amazon FBA accounting allocates income and fees to the period in which the sales actually occurred, not the fortnight Amazon happens to pay you. This matters for month-end reporting — our month-end close checklist covers the discipline of getting cut-offs right.

VAT: the part that catches sellers out

VAT is where FBA sellers most often go wrong, and it is worth taking slowly. There are two sides to consider.

VAT on your sales

If you are VAT registered, your UK sales to consumers generally carry UK VAT at the standard rate, and your settlement must be decomposed so that the VAT element of sales is captured correctly. Because Amazon reports sales gross of the fees it deducts, you cannot simply apply VAT to the net deposit — you must apply it to the underlying gross sales. Zero-rated or reduced-rate products (some foods, books, children's items) need separating out, because the settlement lumps everything together.

VAT on Amazon's fees

Amazon's fees to UK-established sellers are typically charged with the reverse charge or with VAT depending on your account setup and establishment status. This affects how you record input VAT and what appears on your return. It is genuinely fiddly, and it is exactly the kind of thing to get a VAT-competent bookkeeper to set up correctly and a tax adviser to confirm — FINOVAY prepares the VAT figures, but the return is filed by a licensed practitioner.

Watch the registration and threshold effects

Because your true turnover is the gross sales figure, not the net deposit, FBA sellers can cross the VAT registration threshold sooner than they realise. The same gross figure feeds into MTD qualifying income if you trade as a sole trader — see what qualifying income actually means for MTD. Watching the net deposits gives a false sense of being smaller than you are.

Other things FBA sellers must get right

  • Inventory and cost of goods sold. Stock sitting in Amazon warehouses is your asset until sold. Tracking COGS accurately is what reveals your real gross margin.
  • Multi-currency. Selling on EU or US marketplaces brings currency conversion that must be recorded at the right rates.
  • Reserves. Money Amazon holds back is still yours; it should not vanish from your records.
  • Reconciliation. Every settlement should reconcile to the penny against the deposit that hit your bank.

Getting the tooling right

Doing this by hand from raw reports is punishing. Most serious FBA sellers connect their Amazon account to cloud accounting software (Xero or QuickBooks) via a specialist integration that automatically splits each settlement into its component parts and posts them correctly. Choosing the right platform matters — our comparison of Xero vs QuickBooks for UK small businesses is a useful starting point. With the right integration and a proper chart of accounts, the fortnightly settlement stops being a mystery and becomes a reconciliation.

How FINOVAY can help

FINOVAY handles Amazon FBA accounting UK sellers can actually trust: we connect your marketplace to cloud software, decompose every settlement into sales, fees and refunds, track inventory and COGS, and prepare accurate VAT figures for your adviser to file. We do the bookkeeping and VAT preparation, not the tax filing itself. If your settlements are a black box, get in touch and we will make your numbers make sense.