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VAT: a comprehensive guide for UK businesses

Value Added Tax (VAT) is charged on most goods and services in the UK. VAT-registered businesses collect it from customers, report it to HMRC, and can reclaim VAT paid on business purchases. This guide explains when to register, how the main rates and schemes work, and what Making Tax Digital means for VAT compliance.

Checked against GOV.UK guidance · last reviewed

What VAT is and how it works

Value Added Tax (VAT) is a consumption tax on most goods and services sold in the UK. When a business is VAT registered, it charges VAT on what it sells, keeps detailed records, and sends regular returns to HMRC.

The seller collects VAT from the customer and passes it to HMRC. The seller can also reclaim VAT paid on business-related purchases — materials, equipment, professional fees, and other qualifying costs. The net amount owed to HMRC is usually the difference between VAT charged on sales and VAT reclaimed on purchases.

VAT sits alongside other tax obligations. A sole trader still files Self Assessment for Income Tax; a limited company still files Corporation Tax. See the Corporation Tax guide for UK limited companies for rates, filing and deadlines. VAT is a separate registration, return cycle, and payment schedule.

Why understanding VAT matters

Compliance

Failing to register when required, charging the wrong rate, or submitting late returns can lead to penalties and interest. HMRC expects registered businesses to know when VAT applies, how to calculate it, and how to file on time.

Cashflow

VAT collected from customers belongs to HMRC, not the business. Until it is paid over on the return due date, it is effectively held on trust. Choosing the right VAT scheme — standard accounting, cash accounting, flat rate, or annual accounting — can change when VAT is due and how much admin is involved.

Pricing

VAT-registered businesses must decide whether prices are quoted inclusive or exclusive of VAT. Display rules differ between business-to-business and business-to-consumer sales. Getting pricing wrong can erode margins or confuse customers.

International trade

Businesses that import, export, or sell to customers in other countries face additional VAT rules. Goods and services crossing borders may be zero-rated, subject to reverse charge, or require registration in another jurisdiction.

VAT registration threshold

The current VAT registration threshold is £90,000 of taxable turnover in a rolling 12-month period. Taxable turnover is the total value of everything sold that is not exempt from VAT — it is based on sales, not profit.

A business must register if:

  • Taxable turnover exceeded £90,000 in the last 12 months, or
  • There is a reasonable expectation that turnover will exceed £90,000 in the next 30 days alone

Registration should happen within 30 days of crossing the threshold. HMRC can charge backdated VAT and penalties if registration is late.

The threshold is reviewed periodically. Check the current figure on VAT registration thresholds at GOV.UK.

Voluntary registration

Businesses below the threshold can register voluntarily. This can make sense when:

  • Most customers are VAT registered themselves and can reclaim the VAT charged
  • Significant VAT is paid on startup costs, stock, or equipment that could be reclaimed
  • The business wants to appear established to larger clients

Voluntary registration also brings obligations: charging VAT, filing returns, keeping digital records, and using approved software. Weigh the reclaim benefit against the administrative cost before registering early.

How to register for VAT

Registration is done online through GOV.UK. HMRC asks for details about the business, expected turnover, and when trading started or will start.

After registration, HMRC issues a VAT registration number. This must appear on invoices and be used when filing returns. The business is told which VAT accounting period applies — usually quarterly — and when the first return is due.

Full steps are on Register for VAT.

VAT rates and categories

Different rates apply depending on what is sold. The main categories are:

RatePercentageExamples
Standard rate20%Most goods and services
Reduced rate5%Some home energy, children's car seats, mobility aids
Zero rate0%Most food, children's clothes, books, new-build housing
ExemptNo VAT chargedInsurance, education, health services, some land and property
Outside the scopeNot a VAT supplyWages, dividends, MOT tests, statutory fees

Zero-rated supplies still count as taxable turnover for registration purposes. Exempt supplies generally do not count toward the registration threshold, but mixed businesses need careful analysis.

The full list is on VAT rates on different goods and services.

VAT accounting schemes

Several schemes simplify how VAT is calculated and reported. A business can use one scheme if it meets the eligibility conditions.

Standard VAT accounting

The default method. VAT is accounted for on the date of the invoice — whether or not payment has been received. Returns show output VAT on sales invoices and input VAT on purchase invoices for the period.

Cash accounting scheme

VAT is accounted for when money is received or paid, not when invoices are issued. This can help cashflow for businesses that wait a long time to be paid. The turnover limit for joining is £1.35 million.

Flat Rate Scheme

The business pays a fixed percentage of turnover to HMRC and keeps the difference between what it charges customers and what it pays HMRC. Input VAT is not reclaimed except on certain capital assets over £2,000. Designed for small businesses with low purchase costs. The turnover limit for joining is £150,000.

Annual Accounting Scheme

VAT is paid in instalments during the year, with one annual return reconciling the figures. Reduces the number of returns but requires estimating liability in advance. The turnover limit for joining is £1.35 million.

Each scheme has entry and exit rules. Compare options on GOV.UK before choosing.

Making Tax Digital for VAT

Since April 2019, all VAT-registered businesses must comply with Making Tax Digital for VAT (MTD for VAT). This means:

  • Keeping digital VAT records — paper records alone are not sufficient
  • Submitting VAT returns through HMRC-approved bridging or accounting software
  • Maintaining records that link to each return submission

MTD for VAT applies regardless of turnover once registered. Software must connect to HMRC's systems to file returns digitally.

Guidance is on Making Tax Digital for VAT.

Filing VAT returns

Most businesses file VAT returns every three months. Each return covers:

  • Output VAT — VAT charged on sales in the period
  • Input VAT — VAT reclaimed on business purchases in the period
  • Net VAT due — output VAT minus input VAT (or a repayment if input VAT exceeds output VAT)

Returns and payment are usually due one calendar month and seven days after the end of the VAT period. For example, a return for the quarter ending 31 March is due by 7 May.

Deadlines and how to pay are on Submit a VAT Return.

Reclaiming VAT on business expenses

VAT-registered businesses can reclaim VAT paid on goods and services used wholly for business purposes. Common reclaimable costs include:

  • Stock and materials
  • Equipment and tools
  • Professional fees (accountancy, legal)
  • Business premises costs (where VAT applies)
  • Business mileage fuel (subject to fuel scale charges for cars)

VAT on items with mixed business and private use — such as a vehicle used personally — may be restricted or require apportionment. Entertainment expenses for clients are generally not reclaimable.

Keep invoices showing VAT separately. Without valid VAT invoices, HMRC may disallow a reclaim.

VAT for sole traders and limited companies

Sole traders

VAT registration is separate from Self Assessment. A sole trader can be registered for VAT while filing one Self Assessment return for Income Tax. VAT figures do not appear on the SA100 unless relevant to other income calculations, but good bookkeeping keeps both streams aligned.

See the sole trader Self Assessment guide for how personal tax fits alongside VAT.

Limited companies

A limited company registers for VAT in its own name. The company files VAT returns; directors do not file personal VAT returns unless they have a separate sole trade. Company VAT sits alongside Corporation Tax and PAYE obligations.

See the limited company director guide for how company and personal filings differ.

Common mistakes to avoid

  • Missing the registration deadline — monitor rolling 12-month turnover monthly, not just at year end.
  • Charging VAT before registration — only charge VAT from the effective registration date HMRC assigns.
  • Reclaiming VAT on exempt or blocked items — not all business spending qualifies.
  • Using non-compliant software — MTD requires approved digital tools for submissions.
  • Treating VAT collected as income — it is a liability owed to HMRC until the return is paid.

Getting help with VAT

VAT rules are detailed, and errors can be costly. Many businesses use an accountant or bookkeeper to set up registration, choose a scheme, configure software, and file returns. HMRC also offers guidance and webinars for new registrants.

For official rules, start with the sources linked at the bottom of this page and the GOV.UK VAT collection.

Official guidance on GOV.UK

Independent guidance. Not affiliated with HMRC or GOV.UK.

HMRC Tax Info is independent guidance, not tax, legal or financial advice, and is not affiliated with, endorsed by, or connected to HMRC or GOV.UK. Always check GOV.UK or speak to a qualified accountant or tax adviser for your own circumstances.