UK VAT For Small Businesses: The 2026 Guide

The Three UK VAT Rates

UK VAT has three main rates:

• Standard rate: 20%. Applies to most goods and services — retail, professional services, B2B work, online sales.
• Reduced rate: 5%. Applies to domestic gas and electricity, children's car seats, mobility aids for the elderly, some home energy-saving materials.
• Zero rate: 0%. Applies to most food (but not catering), children's clothing, books and newspapers, most public transport, and prescription drugs.

There is also a fourth category — "exempt" — covering insurance, financial services, education, and healthcare. Exempt is legally different from zero-rated: zero-rated sales still allow you to reclaim VAT on purchases, exempt sales do not.

When You Must Register For VAT

As of 2026, the VAT registration threshold is £90,000 of VAT-taxable turnover in any rolling 12-month period. If your turnover crosses this, you must register within 30 days.

You can also voluntarily register below the threshold — this is common for B2B businesses (your clients reclaim the VAT anyway, so charging it doesn't hurt them, and you can reclaim VAT on your own costs).

How VAT Actually Flows

VAT is a pass-through tax. You charge it to customers, you reclaim the VAT you paid to suppliers, and you remit the difference to HMRC.

Worked example: A consulting firm invoices a client £5,000 + £1,000 VAT (20%) = £6,000 gross. Same quarter, the firm paid £500 VAT on software and office costs. VAT remitted to HMRC = £1,000 − £500 = £500.

The firm's actual revenue is £5,000. The £1,000 VAT was never theirs — it belongs to HMRC via the customer. This is why "adding VAT" to a quote doesn't increase your revenue.

Standard Scheme vs Flat Rate Scheme

Standard scheme: charge 20% VAT on sales, reclaim VAT on purchases, pay the difference. Requires tracking every VAT receipt.

Flat Rate Scheme (FRS): charge 20% VAT as normal, but remit HMRC a fixed percentage of gross turnover (typically 7.5–16% depending on industry). You don't reclaim VAT on individual purchases, but the flat rate is calibrated to produce a small profit margin for most businesses.

FRS is simpler but only available to businesses with turnover under £150,000. Consulting and professional services often do well on FRS because their purchase VAT is low. Retail and manufacturing rarely do, because they lose the ability to reclaim purchase VAT.

How To Price Goods To Handle VAT

A common mistake: a new VAT-registered business adds 20% to existing prices and loses 30% of its customers. Correct approach depends on customer type:

B2B: Most clients are also VAT-registered and reclaim the VAT. Simply add 20% to your price — it's invisible to their P&L.

B2C: Customers absorb the full 20%. Either:

• Raise prices by 20% and risk losing customers, or
• Hold prices constant and absorb the 20% yourself (reduces margin but preserves volume)

Most B2C businesses end up splitting the difference — raising prices by 10–15% while absorbing the rest.

Domestic Reverse Charge (Construction)

If you work in UK construction as a subcontractor to a VAT-registered contractor, the "domestic reverse charge" rules apply since 2021. You invoice without charging VAT; the contractor reports and pays the VAT on their return. This was introduced to combat VAT fraud in construction.

Making Tax Digital (MTD) Compliance

All VAT-registered businesses must now submit VAT returns using MTD-compatible software (Xero, QuickBooks, FreeAgent, Sage, etc). Paper or HMRC portal returns are no longer accepted.

Returns are due quarterly, 1 month + 7 days after quarter-end. Late filing triggers automatic penalties under the points-based system introduced in 2023.

VAT On Imports And Exports

Post-Brexit rules:

• Imports from EU or non-EU: VAT charged at the border (or accounted for on your VAT return via "postponed VAT accounting").
• Exports outside UK: zero-rated (no VAT charged), but you must keep proof of export.
• Digital services to EU consumers: may require separate EU VAT registration via the Import One Stop Shop (IOSS) or registering in an EU member state.

Common VAT Mistakes To Avoid

1. Not registering on time. HMRC charges penalties if you exceed £90,000 without registering within 30 days.
2. Charging VAT on zero-rated or exempt items. Food, books, and children's clothing should not have VAT added.
3. Reclaiming VAT on entertainment. Business entertainment costs (taking clients for dinner) cannot have their VAT reclaimed.
4. Forgetting to deregister when turnover drops. You can deregister if turnover falls below £88,000 — useful if voluntarily registered and business shrinks.
5. Confusing zero-rated with exempt. Zero-rated businesses reclaim input VAT; exempt businesses don't.

The Bottom Line

VAT is administratively annoying but financially neutral for most B2B businesses, where clients reclaim what you charge. For B2C businesses, crossing the £90,000 threshold is a genuine business decision — registering permanently changes your pricing power. Always run the numbers before voluntarily registering, and if you are close to the threshold, track turnover monthly to avoid accidental late registration.