UK Trade Compliance

A VAT invoice has specific legal requirements in the UK. Missing any one of the eight required elements makes it invalid — which matters to your customers who want to reclaim VAT.

VAT registration catches many tradespeople off guard. Here's exactly when you're required to register, how materials affect your threshold, and what zero-rating means for new builds.

If you work as a self-employed subcontractor in construction, CIS affects your tax directly. Here's what you need to know, without the jargon.

Gas Safe registration is a legal requirement for gas work in the UK — but there's more to it than just having the card. Here's what it means for your day-to-day business admin.

The CP12 is one of the most important documents a gas engineer issues. Here's what it contains, who needs it, and how to manage and send certificates professionally.