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A summary of upcoming EIS, VCT and SEIS deadlines, and what investors need to consider before the tax year-end.

A clear guide to the Guinness EIS, explaining how EIS funds work, the tax reliefs available, and the risks of investing in early-stage UK companies.

How Guinness Ventures is increasing investment into female founders in the UK, with data, portfolio examples and our approach to Series A funding.

A comprehensive guide to Knowledge Intensive EIS funds, including EIS tax reliefs, EIS carry back, capital gains deferral relief and the benefits of a single EIS5 certificate within an HMRC approved structure.

"Kim Kardashian put my £16m baby brand on the map". Akin Onal’s firm, backed by Guinness Ventures, generated £16.1 million in sales last year. He says the birth of his daughter has given him fresh inspiration and ideas.

Note that this article requires a Times subscription.

At Guinness Ventures, we back Britain’s most promising founders. Our new Seed Enterprise Investment Scheme (SEIS) service supports high-potential, early-stage businesses that are addressing large markets.

A comprehensive guide explaining how SEIS tax relief works, including income tax relief, capital gains benefits, loss relief, eligibility rules and how to claim.

Join Guinness Global Investors and Guinness Ventures for a series of professional investor conferences as we cover critical topics to investors today. Book your place for a rewarding morning of investment ideas, roundtable discussions and expert analysis at our CPD-accredited conferences around the UK. 

“Series A” is one of the most widely used phrases in venture capital and one of the most misunderstood. What does it mean to us and why do we invest at this stage? 

If you are a financial adviser, watch our webinar on VCT in 2026

Guinness Ventures is pleased to have participated as an investor in Evaro's $25m Series A funding round.