Day 18/30: Which business structure is right for you in the UK? This is one of the most important decisions you will make when starting a business here, and most founders get it wrong by defaulting to whatever they heard about first. Sole trader. Limited company. LLP. Ordinary partnership. Limited partnership. Community Interest Company. Each one has a different tax treatment, a different liability profile, a different registration process and a different cost. And if you are an international founder applying for the Innovator Founder Visa endorsement, the structure you choose is not optional. You need a limited company. Full stop. Everything in this carousel is fact-checked and verified directly from Companies House and GOV.UK. Every fee reflects the February 2026 updates. Every registration route is confirmed from primary sources. Save this post. It is the one reference you need before you register anything. Share it with a founder who is about to set up their business and has ...