SIA - Startup Investor Accelerator UK

How founders prepare for deeper investor scrutiny, tougher questions, and high-stakes information requests. | | A practical discussion about what happens after investor interest begins to deepen. Explore how founders prepare materials, organize information, communicate transparently, and respond to investor questions during due diligence while building confidence, credibility, and trust throughout the SAC process.

How investors adapt their expectations, risk assessments, and decision-making across sectors and business models.
​An interactive discussion about how investors evaluate companies differently across industries, stages, and business models. Explore common misconceptions, industry-specific risk factors, capital requirements, growth expectations, and how investors develop conviction in sectors outside their personal expertise.

Have questions before applying or moving forward? Join our live info session for startups.

Details
This is an open Q&A designed for founders who want to better understand the pitch competition, who it is for, and what to expect. Whether you are wondering about eligibility, investor fit, timelines, pitch format, or how the process works, this is a good space to ask directly.
We will cover:

• what the program is and who it is for
• how the application and selection process works
• what startups can expect during the program
• common questions from founders
• live Q&A

Come with your questions and we’ll answer them live.

Overview
The Startup Investor Accelerator (SIA) Process is a 12-week program of "learning by doing." The goal is to help everyone move forward.
Curious about Angel Investing? Join Us for an Introduction Session to this topic
Have you ever wondered how startup investors find, evaluate, and invest in promising companies?
Whether you're actively considering angel investing or simply curious about how the startup investment ecosystem works, this session is designed to give you an accessible introduction to the world of angel investing. Who is it for? How to get started? What to have in mind? …and more.
During this session, we'll also introduce the Transatlantic Angel Conference (TAAC)—our flagship hands-on investor training program that helps aspiring and experienced investors learn by doing. Participants work alongside a diverse cohort of investors from Europe and the US, reviewing real startups, conducting due diligence, hearing founder pitches, and ultimately making investment decisions together.
In this session, we'll cover:

• What angel investing is and how the ecosystem works
• An introduction to the Transatlantic Angel Conference (TAAC)
• How the learning-by-doing model helps investors gain real-world experience
• Yelmer Wismer's experience as a TAAC participant and investor
• Who the program is designed for and whether it might be a fit for you
• Open Q&A