Day 15/30: PAYE. What it is, when you need it and how to register. This is one of the topics that catches new founders off guard, especially international founders who are used to completely different tax systems. PAYE is not just for businesses with employees. If you are a director of your own limited company and you pay yourself a salary, even a small one, PAYE applies to you. You must register before your first payday. Missing that window means penalties. Everything in this post is fact-checked directly from GOV.UK and verified against the 2026/27 HMRC figures. The threshold, the rates, the timelines, all current and accurate. I am teaching you everything from my own experience of building in the UK. The tax side of running a company here confused me when I started. It doesn’t have to confuse you. Save this post. Share it with a founder who is about to pay their first salary. ⚠️ I am not a solicitor or regulated immigration adviser. Nothing in this post constitutes visa or i...