See True Profit, Not Just Sales
High revenue can hide weak margins. A seller P&L separates product costs, fees, refunds and overheads so you can see whether each month is genuinely profitable.
What Is a Profit & Loss Statement for Ecommerce Sellers?
A profit and loss statement, often called a P&L or income statement, shows whether your seller business made money during a chosen period. For ecommerce sellers, the statement must go beyond bank deposits because marketplace payouts are usually net of fees, refunds, advertising, fulfilment charges and other deductions.
Simple seller P&L formula
Net Sales minus Cost of Goods Sold minus Marketplace Fees minus Operating Expenses equals Net Profit.
Gross SalesTotal product sales before refunds, discounts, VAT treatment and platform deductions.
Net SalesSales after refunds, discounts, cancellations and adjustments are handled correctly.
Gross ProfitNet sales minus product cost, landed cost and direct selling costs.
Net ProfitProfit after marketplace fees, software, postage, ads, payroll, accountancy and overheads.
This page provides general bookkeeping information for UK sellers and is not personalised tax, VAT or legal advice.
Why Sellers Need a Proper P&L Statement
Understand Marketplace Fee Impact
Amazon, eBay, Shopify, PayPal, Stripe and Klarna deductions can reduce profit significantly. A clear P&L shows fees as business costs instead of hiding them inside payouts.
Track Stock and Cost of Goods Sold
Stock purchases are not the same as monthly cost of goods sold. Your P&L should match product costs to the sales they produced wherever possible.
Prepare Cleaner Tax and VAT Records
A reliable P&L gives your accountant better information for year-end accounts, Self Assessment, Corporation Tax and VAT review where applicable.
Make Better Product Decisions
When profit is broken down properly, you can decide which products to reorder, pause, discount, advertise or remove from your catalogue.
Seller Profit & Loss Statement Template
The best P&L format for sellers is simple enough to review every month but detailed enough to show what is really happening in the business. Use the structure below as a practical starting point for Amazon sellers, eBay sellers, Shopify stores and multi-channel ecommerce businesses.
| P&L Section | What to Include | Why It Matters for Sellers |
|---|---|---|
| Gross Sales | Product sales by Amazon, eBay, Shopify, Etsy, WooCommerce, wholesale and any other channel. | Shows headline demand before refunds, fees and other deductions. |
| Refunds and Discounts | Customer refunds, cancellations, promotional discounts, vouchers and returns adjustments. | Prevents overstated sales and shows whether returns are damaging margin. |
| Net Sales | Gross sales less refunds, discounts and sales adjustments. | Gives a cleaner starting point for profit measurement. |
| Cost of Goods Sold | Product purchase cost, manufacturing cost, freight, duty, packaging and landed costs linked to items sold. | Shows gross margin and whether pricing is sustainable. |
| Marketplace Fees | Referral fees, fulfilment fees, storage fees, managed payment fees, payment gateway charges and platform subscriptions. | Separates the true cost of selling through marketplaces and payment processors. |
| Advertising and Promotions | Amazon Ads, eBay promoted listings, Meta Ads, Google Ads, influencer costs and coupon campaigns. | Shows whether sales growth is profitable after marketing spend. |
| Operating Expenses | Software, accountancy, bookkeeping, postage supplies, office costs, subscriptions, wages and professional fees. | Shows overhead pressure and monthly break-even level. |
| Net Profit | Profit remaining after direct costs, fees, ads and overheads. | Shows the actual monthly result available for tax planning, dividends, drawings, reinvestment or cash reserves. |
Bookkeeping tip: Do not use bank deposits alone as sales. A marketplace payout may already have fees, refunds, ads, shipping labels or reserve balances deducted, so bank-only bookkeeping can hide both income and expenses.
How to Track Marketplace Fees in Your P&L
Marketplace fees should be visible in your profit and loss statement because they are often one of the largest costs in an ecommerce business. If fees are not split out, your sales may look lower than reality and your expense analysis may be incomplete.
Amazon Seller P&L Fees
Amazon sellers commonly need to separate referral fees, FBA fulfilment fees, monthly subscription charges, storage fees, advertising spend, refund-related fees, shipping credits, reimbursements, removals, disposal fees and currency conversion. Use Amazon settlement reports or connected bookkeeping software to map each fee type into a sensible chart of accounts.
eBay Seller P&L Fees
eBay sellers should track managed payment fees, final value fees, promoted listing costs, listing upgrades, postage label costs, refunds, chargebacks and international selling costs. These should not all be grouped into one unclear expense category if you want reliable margin reporting.
Shopify and Payment Gateway Fees
Shopify stores often receive payouts from Shopify Payments, PayPal, Stripe, Klarna or other gateways. Your P&L should separate gross orders, refunds, processing fees, chargebacks, app subscriptions and shipping income so the store’s net profitability is easy to review.
- Download settlement reports monthly before transactions become harder to trace.
- Use separate ledger categories for sales, refunds, platform fees, fulfilment fees and advertising.
- Reconcile each payout to the marketplace report rather than posting the bank receipt as sales.
- Review fee percentage against net sales to spot margin leaks and pricing issues.
- Check foreign currency conversions if you sell internationally or receive non-GBP settlements.
Cost of Goods Sold, Stock and Gross Profit for Sellers
Cost of goods sold, often called COGS, is the cost of the products you sold during the period. This may include purchase cost, manufacturing cost, import duty, freight-in, packaging and other landed costs. For sellers carrying stock, COGS should be matched to units sold rather than simply recording every stock purchase as an immediate expense.
Why Stock Purchases Can Distort Profit
If you buy £20,000 of inventory in one month but sell only part of it, recording the full purchase as an expense may make that month look worse than reality. If you ignore stock costs entirely, your profit may look too high. A more useful P&L links product costs to the items actually sold.
Gross Margin Formula for Ecommerce Sellers
Gross margin % = Gross profit ÷ Net sales × 100. For sellers, gross profit normally means net sales minus product costs and other direct costs needed to deliver those sales.
Review gross margin by product, category and channel where possible. A product that looks successful by sales volume may be weak after Amazon FBA fees, advertising costs, shipping subsidies, returns and storage charges are included.
VAT, Tax Records and Making Tax Digital Considerations
UK sellers should keep bookkeeping records that support tax reporting and VAT review where applicable. GOV.UK guidance says self-employed people must keep records of business income and expenses for Self Assessment, and the detailed record list includes all sales and income, all business expenses and VAT records if registered for VAT. You can review the official GOV.UK record-keeping guidance here: business records if you’re self-employed and what records to keep.
For sellers affected by Making Tax Digital for Income Tax, GOV.UK explains that digital records can include self-employment income such as sales, takings and fees, and self-employment expenses such as stock costs, office costs and financial costs. Official guidance is available on creating digital records for MTD for Income Tax.
GOV.UK’s Making Tax Digital for Income Tax collection states that from 6 April 2026, sole traders and landlords must use MTD for Income Tax if their annual income from self-employment and property is over £50,000. Check the official guidance for your exact position: Making Tax Digital for Income Tax.
Important: VAT collected from customers is not the same as profit. VAT-registered sellers should keep VAT reporting separate from management profit analysis and should take advice on VAT treatment for complex marketplace, international or cross-border sales.
Monthly P&L Process for Ecommerce Sellers
1
Collect Sales and Fee Data
Download Amazon settlement reports, eBay payment reports, Shopify payouts, PayPal or Stripe statements, ad platform invoices and bank feeds for the month.
2
Reconcile Payouts and Costs
Match deposits to platform reports, split sales from deductions, post refunds and fees correctly, then update product costs and stock movements where applicable.
3
Review Profit and Action Points
Check gross margin, net profit, fee percentage, ad spend, refunds, inventory cash tied up and any unusual movements before making stock or pricing decisions.
Monthly Seller P&L Checklist
- Confirm all sales channels are included for the month.
- Separate gross sales, refunds, discounts and sales tax or VAT treatment.
- Reconcile every marketplace payout to the settlement report.
- Post Amazon, eBay, Shopify and payment processor fees to clear expense categories.
- Record advertising costs by platform and campaign where possible.
- Update cost of goods sold based on units sold and landed product cost.
- Review stock purchases separately from cost of goods sold.
- Check subscriptions, software, postage supplies, accountancy and overheads.
- Compare current month against the previous month and same month last year.
- Write down action points for pricing, ads, stock buying, slow movers and cash flow.
Internal Resources for UK Ecommerce Sellers
Use these related Seller Bookkeeping UK pages to build cleaner reports and stronger seller accounts:
Ecommerce Bookkeeping Services UK 2026
Specialist monthly bookkeeping support for Amazon, eBay, Shopify and multi-channel sellers.
How to Track Amazon Fees
Understand Amazon fee categories, settlement reports and bookkeeping workflows.
Amazon Seller Bookkeeping
Support with settlements, FBA fees, reimbursements, advertising and profit reporting.
eBay Seller Bookkeeping
Track managed payments, final value fees, promoted listings, refunds and postage.
Ecommerce Bookkeeping
Build cleaner monthly reports for online stores and marketplace sellers.
Book a Free Consultation
Discuss your P&L, marketplace fees, VAT records and reporting issues with our team.
Common P&L Problems Sellers Face
"My Amazon deposits were posted as sales, so fees and refunds were invisible. The business looked simpler than it really was, but the P&L did not explain where profit was going."
"Stock purchases were being expensed immediately, which made profitable months look bad and quiet months look better. COGS tracking helped smooth the reporting."
"Sales increased after more advertising, but net profit did not. A better P&L showed ad spend and marketplace fees were eating the extra margin."
Profit & Loss Statement for Sellers FAQs
What is a profit and loss statement for sellers?
A profit and loss statement summarises ecommerce income, refunds, cost of goods sold, marketplace fees, advertising, overheads and net profit for a period such as a month, quarter or year.
Why is bank-feed bookkeeping not enough for ecommerce sellers?
Marketplace deposits often arrive after fees, refunds, reserves, advertising or shipping costs have already been deducted. If you post only bank deposits as sales, your revenue and expenses may both be wrong.
Should Amazon fees be shown separately in a P&L?
Yes. Separating referral fees, FBA fees, storage fees, advertising and subscription costs helps sellers understand true margins and identify which costs are increasing.
What is the difference between gross sales and net sales?
Gross sales are total sales before deductions. Net sales normally means sales after refunds, discounts and cancellations have been accounted for. The exact format should be agreed with your bookkeeper or accountant.
What is cost of goods sold for ecommerce sellers?
Cost of goods sold is the cost of products sold during the reporting period. It can include product purchase cost, manufacturing cost, freight-in, duty, packaging and landed costs depending on your business.
Should stock purchases go directly into the P&L?
Not always. If you hold inventory, stock purchases may need to sit on the balance sheet until products are sold. The cost then moves into cost of goods sold. Speak with your accountant about the right approach.
How often should sellers review their P&L?
Monthly review is best for most sellers because fees, refunds, ad spend and stock movements can change quickly. A monthly P&L helps you make faster pricing and cash-flow decisions.
Can a P&L show profit by marketplace?
Yes. With good tracking, you can report sales, fees, advertising and gross profit by Amazon, eBay, Shopify or another channel. This helps you see which channels are most profitable.
Does VAT affect the profit and loss statement?
VAT can affect how income and expenses are recorded, but VAT collected is usually not treated as profit. VAT-registered sellers should keep VAT records separately and check treatment with a qualified adviser.
Can Seller Bookkeeping UK help create monthly P&L reports?
Yes. Seller Bookkeeping UK can help ecommerce sellers reconcile marketplace data, track fees, organise product costs and prepare clearer monthly profit reports.
Need a Clearer Profit & Loss Statement for Your Seller Business?
Book a free consultation with Seller Bookkeeping UK and get practical support with Amazon fees, eBay reporting, Shopify payouts, cost of goods sold, VAT-ready records and monthly profit reporting.