Day 17/30: The Unfair Advantage Every UK Startup Founder Needs To Know About Most founders raising money in the UK are doing it without their biggest unfair advantage. And it costs them. SEIS and EIS are two UK government schemes that give private investors up to 50% tax relief for backing early stage startups. That means every angel investor who backs your business gets a significant portion of their investment back from the government. Their risk drops. Your attractiveness as an investment goes up. You raise faster, from more people, at better terms. I have spoken to so many international founders pitching to UK investors without knowing these schemes exist. They are leaving their single biggest fundraising tool completely unused. All figures in this post are fact checked and updated to reflect the April 2026 changes. EIS annual company limit is now £10,000,000. Lifetime limit is now £24,000,000. Gross assets threshold is now £30,000,000. All sourced directly from GOV.UK and HMRC...