This calculator compares the VAT Flat Rate Scheme against standard VAT accounting for 2025/26, helping you decide whether the simplified scheme saves money for your trade sector.
How the Flat Rate Scheme works
Instead of calculating input and output VAT on every transaction, you pay HMRC a fixed percentage of your gross (VAT-inclusive) turnover. You still charge customers 20% VAT, but you keep the difference between what you charge and what you pay HMRC — unless you are a limited cost trader.
Flat rate percentages by sector
Rates range from around 4% (food retailers) to 14.5% (management consultants and IT contractors). The percentage is set by HMRC and depends on your SIC code and primary trading activity.
Limited cost trader rule
If your goods spend is less than 2% of turnover or £1,000 per year, you are a limited cost trader and must use a flat rate of 16.5%. This is specifically designed to prevent service businesses from using FRS to generate a VAT profit.
First-year VAT discount
When you first register for VAT, HMRC gives a 1% discount on your flat rate for the first 12 months. This can make FRS very attractive in the early years of a business.
When FRS is not suitable
If you have significant costs that carry input VAT — equipment, materials, subcontractors — standard accounting lets you reclaim that VAT. FRS often costs more for capital-intensive businesses.