Retail Accountants for UK Shops: Margin, Stock and VAT

Ask a shop owner what their gross margin was last year and you will usually get a number from memory, or the number the wholesaler quoted on a price list. Ask where it came from and the conversation stops. That gap is the whole subject of retail accounting, and it shows up as three specific symptoms.

Colin runs a hardware and household shop in Luton. He has been trading nine years, he knows his suppliers and his customers, and he cannot answer any of the following three questions from the paperwork he currently has. Most independent shops we take on cannot either.

1. What was the true gross margin, after stock movement and after the lines that were sold below cost?
2. What was the stock actually worth at the year end, and who counted it?
3. Which VAT scheme is running behind the till, and who chose it?

Symptom one: your gross margin is a memory, not a measurement

Gross margin is sales minus cost of sales. Cost of sales is not what you spent with suppliers during the year. It is opening stock, plus purchases, minus closing stock. Shops that read margin off the bank account are measuring purchasing, not selling, and the two diverge every time stock levels move.

The distortion runs in both directions. Buy heavily in March for a spring range and the bank shows a bad year while the trading account shows a normal one. Run stock down to release cash and the bank looks healthy while margin quietly collapses. Neither reading is available until stock is counted at both ends of the year.

The second half of the symptom is blended margin. A shop with 3,000 stock lines has one headline margin and several hundred real ones. Clearance, breakage, staff discount and the lines you keep because customers expect them all sit inside that single percentage. Reading margin by department, and separately by VAT rate, is normally the first thing we set up, because it is also what the VAT work needs.

HMRC runs the same arithmetic in reverse. A gross profit percentage that sits well below the pattern for comparable shops is one of the things that prompts a compliance check, and the answer to that check is a stock record and a margin analysis, not an explanation.

Symptom two: the year-end stock figure nobody can stand behind

Stock is usually the largest asset an independent shop owns and it is the number with the most direct effect on tax. Every pound added to closing stock is a pound of taxable profit. Every pound written off is a pound of relief, in the year the write-down is made.

The rule is the lower of cost and net realisable value (NRV), applied line by line. Cost is the purchase price plus the cost of getting the goods to the shop. NRV is the realistic selling price less what it costs to sell. Slow, damaged, discontinued and seasonal-clearance lines come down to NRV. Blending everything into one average defeats the test, because the average hides exactly the lines the test exists to catch.

What makes a stock figure defensible is process, not precision. A count that happens on a stated date, sheets that carry a counter's name, a marked-down list with the reason recorded against each line, and a signed summary. Shops that do that hold their valuation when it is questioned. Shops that produce a single typed figure in September for a March year end do not.

Symptom three: nobody chose the VAT scheme

You must register for VAT once taxable turnover exceeds £90,000 in any rolling 12 months, or when you expect to exceed £90,000 within the next 30 days. Deregistration is at £88,000. On retail takings those thresholds arrive quickly, so this is a live question for almost every shop with a counter.

Registration is the easy part. The scheme is the part that gets inherited rather than chosen. If you cannot record the VAT rate of every individual sale, you use a retail scheme to work out output VAT, and there are three: point of sale, which identifies the rate at the till; apportionment, which splits takings using the ratio of purchases at each rate; and direct calculation, which marks up the minority-rate goods to expected selling prices and treats the rest as the balance.

The eligibility gates are turnover based. Apportionment Scheme 1 and Direct Calculation Scheme 1 are for retail turnover up to £1 million. The Scheme 2 versions run up to £130 million. Above £130 million a bespoke scheme agreed with HMRC is mandatory. Those gates sit in HMRC's retail schemes guidance (Notice 727) and were current when this page was checked in August 2026.

Which one you use moves the VAT bill, sometimes by thousands a year for a mixed-rate shop, and the arithmetic differs enough between the three that it needs its own treatment. We work each scheme through with figures on retail VAT schemes for UK shops. Two related points sit elsewhere: the Flat Rate Scheme is a separate regime with its own turnover test and is covered on the flat rate scheme page, and Making Tax Digital (MTD) for VAT has applied to every VAT-registered business since April 2022 regardless of turnover.

A Luton shop's year, from till takings to tax

Colin trades as a sole trader. His shop sells mostly standard-rated hardware and household goods with a small zero-rated line in children's footwear and a few grocery items, so his EPOS system captures the rate at the till and he uses the point of sale scheme. Retail turnover of this size sits well inside every Scheme 1 gate, so all three schemes are open to him.

Figures below are for the year to 5 April 2027. Every line can be recomputed from the numbers printed here.

Trading account

• Sales, excluding VAT: £310,000
• Opening stock at 6 April 2026: £41,000
• Purchases in the year: £206,000
• Closing stock at cost: £40,900, less a clearance write-down to NRV of £2,400, giving closing stock of £38,500
• Cost of sales: 41,000 + 206,000 - 38,500 = £208,500
• Gross profit: 310,000 - 208,500 = £101,500, a gross margin of 32.7%

Without the stock movement Colin would have taken 310,000 - 206,000 = £104,000 and called it £104,000 of gross profit, overstating margin by £2,500. The clearance write-down of £2,400 is inside the closing stock figure and is the reason it is £38,500 rather than £40,900.

Overheads and staff

• Rent, business rates, utilities, insurance and other running costs: £34,000
• Part-time assistant, 18 hours a week: gross wage £14,600
• Employer National Insurance contributions (NIC) at 15% above the £5,000 secondary threshold (rate and threshold from 6 April 2025): (14,600 - 5,000) x 15% = £1,440
• Employer pension at the 3% minimum on qualifying earnings (band £6,240 to £50,270, 2025/26 figures, still current when this page was checked in August 2026): (14,600 - 6,240) x 3% = £250.80
• Loaded staff cost: 14,600 + 1,440 + 250.80 = £16,290.80

Shopfit and equipment

In June 2026 Colin spent £24,000 on new and unused shelving, counters and a refrigerated display unit. That is main-rate plant and machinery, and it is inside the Annual Investment Allowance (AIA) of £1,000,000 for a 12-month period, so he claims 100% of it: £24,000. The alternative on new and unused main-rate plant bought from 1 January 2026 is the 40% first-year allowance (FYA), which would have given 24,000 x 40% = £9,600 now with the £14,400 balance written down in the pool over later years. AIA is the better claim here, and it is the reason we ask what a shopfit consists of before it is paid for rather than after.

He also has £8,000 brought forward in the main pool. The main-rate writing-down allowance (WDA) falls from 18% to 14% from 6 April 2026 for sole traders (1 April 2026 for companies), so this year the pool gives 8,000 x 14% = £1,120.

Taxable profit and tax

• Gross profit £101,500
• Less overheads £34,000 = £67,500
• Less staff £16,290.80 = £51,209.20
• Less AIA £24,000 = £27,209.20
• Less pool WDA £1,120 = taxable profit £26,089.20

On that profit, with the personal allowance of £12,570 and the basic rate of 20% (2025/26 figures, still current when this page was checked in August 2026), income tax is (26,089.20 - 12,570) x 20% = £2,703.84. Class 4 NIC at 6% on profits between £12,570 and £50,270 is 13,519.20 x 6% = £811.15. Total £3,514.99, payable by 31 January 2028, with payments on account for 2027/28 following on 31 January and 31 July.

One adjustment sits outside the computation above. Because Colin employs someone other than a director, he can claim the Employment Allowance of £10,500 against employer NIC, which removes the £1,440 entirely. His staff cost then falls to £14,850.80, taxable profit rises to £27,529.20, and the combined income tax and Class 4 bill rises to £3,889.39. The allowance is worth £1,440 of NIC and costs £374.40 of income tax and Class 4 on the extra profit, a net £1,065.60 in his pocket.

Payroll when the hours move every week

Retail payroll is not difficult, it is just relentless. Hours vary, weekend and seasonal staff come and go, and every one of them has to be on a payroll run reported to HMRC on or before payday under Real Time Information. Late Full Payment Submissions carry a monthly penalty starting at £100 for an employer with one to nine employees.

Auto-enrolment is assessed pay period by pay period, not once at hiring. A worker aged 22 to State Pension Age who earns above the £10,000 trigger becomes eligible in that period, and a seasonal worker who returns is reassessed on return. Contributions are calculated on qualifying earnings in the band £6,240 to £50,270, at a minimum total of 8%, of which the employer pays at least 3%.

Holiday pay for irregular hours is the item that most often goes wrong for shops, because it is a reference-period calculation rather than a flat rate, and payroll software gets it right only when the hours data going in is right. That is a bookkeeping problem before it is a payroll problem.

Shopfit, fittings and what actually qualifies

Capital allowances replace depreciation for tax, and the classification work matters more than the rates. Counters, shelving, racking, display units, chillers, tills and security equipment are plant. Lighting, wiring, heating, air conditioning and ventilation are integral features, which sit in the special rate pool at 6% a year where they fall outside the AIA. Shop frontage, walls and floors as part of the structure are neither, and relief there runs through the Structures and Buildings Allowance at 3% a year on qualifying construction.

Because the AIA covers £1,000,000 in a 12-month period, a typical independent shopfit is relieved in full in the year of spend, whichever pool it belongs to. The classification still matters, because it decides what happens to any spend above the allowance, and because a fitting-out invoice that reads "shop refurbishment, £24,000" gives an inspector nothing to check against. An itemised invoice is worth asking the contractor for at quote stage.

Cars are excluded from the AIA and from the first-year allowance. A van used for deliveries is not a car for this purpose and does qualify.

If your shop trades through a limited company

Corporation tax is 19% where augmented profits do not exceed £50,000 and 25% where they exceed £250,000, with marginal relief tapering between the two, which produces an effective rate of 26.5% on profits inside that band. The limits are divided between associated companies and time-apportioned for short periods, so a second company holding the property or a second site changes the answer. Corporation tax is due 9 months and 1 day after the period end.

Extraction for a shop-owning director usually runs as a modest salary plus dividends. From 6 April 2026 dividends are taxed at 10.75% at the basic rate, 35.75% at the higher rate and 39.35% at the additional rate, after the £500 dividend allowance. Where a spouse genuinely works in the shop, paying them properly for that work is straightforward. Gifting shares to anyone else to spread dividends is where the settlements legislation starts to bite.

The most common company problem in retail is the till float and the shop bank card. Personal spending through the business account builds a director's loan, and a loan not repaid within 9 months and 1 day of the year end triggers a section 455 charge, at 35.75% for loans made on or after 6 April 2026 and 33.75% for loans made in 2025/26.

Making Tax Digital for Income Tax, if you trade as a sole trader

From April 2026, sole traders and landlords with qualifying income above £50,000 must keep digital records and file quarterly updates under MTD for Income Tax. The threshold drops to £30,000 from April 2027 and £20,000 from April 2028. Qualifying income is turnover, not profit, so a shop taking £310,000 across the counter is in from the start whatever the margin. The MTD for Income Tax page covers the timetable and what a quarterly update contains.

For a shop the practical work is the chart of accounts. Till takings, card settlement, cash banked, stock purchases, stock adjustments and staff discount need separate codes from the start, because a quarterly filing cycle removes the annual window in which everything used to get tidied up.

Convenience stores, and buying or selling a shop

Convenience stores, newsagents and off-licences carry a sub-trade of their own: mixed VAT rates on almost every basket, paid-out services such as PayPoint and the Post Office counter, high wastage, and long hours covered by family labour that has to be documented if it is going to be paid. The margin and stock work above applies, but the till and takings analysis is heavier. Where a shop goes further and adds seating, a hot counter or a drinks licence, the trade starts to behave like hospitality for tax, and that pattern is covered on our pages for restaurants and cafes and for pubs and bars.

Buying or selling a shop is a separate exercise again. What is being sold, the trade and assets or the company shares, changes the tax outcome for both sides, and how the price splits between stock, fixtures and goodwill decides what relief the seller gets and what the buyer can claim. Stock is normally valued separately at completion on a counted basis, which is another reason to have a stock process that already works.

What we do for shop owners

Holloway Davies works with independent shops, small chains and retail businesses with physical premises. For a shop client the work is:

• Takings and till reconciliation, analysed by VAT rate and by department
• VAT registration, scheme review and returns, including retail scheme selection
• Stock count process, valuation and year-end sign-off
• Year-end accounts and the tax return, sole trader or company
• Payroll for part-time and seasonal staff, with auto-enrolment
• Capital allowances on shopfit and equipment, planned before the spend
• Margin reporting you can act on during the year rather than after it
• MTD for Income Tax setup and quarterly filing

We work in Xero, QuickBooks, FreeAgent and Sage, and we connect them to the EPOS system rather than rekeying from Z reports. If you want to talk about your shop, contact us.

Questions shop owners ask

When does a shop actually need a retail specialist?

Any qualified accountant can prepare accounts and file a return. The difference in retail is upstream of that: takings analysed by rate, stock counted and valued to a repeatable method, a VAT scheme chosen deliberately, and payroll built for variable hours. Accountants for independent shops do that work as standard. If your current accountant has never asked to see a stock sheet, that is the test.

How do I know if I am on the wrong retail VAT scheme?

Two signs. First, nobody can tell you which scheme you are on. Second, your sales mix has changed since it was chosen, which is common when a shop adds a food, drink or children's clothing line. Apportionment follows the ratio of your purchases at each rate, so a shop whose purchase mix and sales mix have drifted apart can be paying materially the wrong amount of VAT while filing entirely on time.

What records does HMRC expect for retail takings?

A daily gross takings record supported by till rolls or EPOS reports, with the split by VAT rate where the scheme requires it, plus records of anything that leaves the till without a sale: refunds, staff purchases, paid-outs and cash banked. Digital records under MTD for VAT do not change what has to be recorded, only how it is kept and filed.

Is stock written down for clearance actually deductible?

Yes, where the write-down is to genuine net realisable value and is evidenced. It is not a provision you choose, it is a valuation of what the goods are worth. Record the line, the reason and the revised value at the count. A write-down applied to specific identified lines holds up; a blanket percentage taken off total stock does not.

My shop's turnover is under £90,000. Should I register for VAT voluntarily?

It depends on what you sell and to whom. A shop selling standard-rated goods to the public gains little, because output VAT on every sale usually exceeds the input VAT reclaimed. A shop with a substantial zero-rated range, such as food or children's clothing, may reclaim more than it charges and be better off registered. Model it on last year's actual mix before deciding.