You can join the scheme if your VAT-exclusive turnover is £150,000 or less in the next 12 months, making it ideal for small businesses and contractors.

Flat rates vary by business type – for example, 14.5% for most service businesses, 12% for retail, and 6.5% for food retailers.

You must add VAT to your sales at the standard rate (20%) but pay HMRC the flat rate percentage of your gross turnover, which includes VAT.

You cannot reclaim input VAT on purchases, except for certain capital assets over £2,000, such as computers or equipment.

The scheme includes a 1% discount for your first year as a VAT-registered business, which can increase savings.

You must leave the scheme if your turnover exceeds £230,000 (including VAT) in any year, requiring a switch to standard VAT accounting.

Records must show your flat rate calculations separately from other VAT records for HMRC compliance.

The scheme can save time on bookkeeping but may not be cost-effective if you have high input VAT claims, like in retail or manufacturing.

You need to compare the flat rate outcome with standard VAT accounting to ensure it leaves you better off financially.

HMRC provides a detailed flat rate percentage list based on business sectors; always verify you use the correct one to avoid errors.