About us

Turning growth aspirations into reality

Trusted by our investors to grow their capital, our award-winning team are experts at sourcing opportunities in growth-stage companies and helping them unlock their potential.

200
+

Investments and counting

£
340
m+

Invested to date

£
130
m+

Exits to date

Our Porfolio

Real-world businesses with stamina

We have backed and exited some of the fastest growing scale-ups in the UK. We take a grounded, evidence-based approach in supporting founders and management teams to scale internationally and realise their ambitions.

Our products

Since 2010 we have specialised in tax-efficient products to help our investors diversify their portfolios efficiently. We have invested more than £340m into over 200 EIS, VCT or IHT qualifying companies including some of the UK’s fastest growing businesses.

Seeking Investment?

We specialise in Series A funding, empowering UK-based scale-up companies in the business services, healthcare, and consumer sectors.

What the founders say

Resources

What's new

23 February 2026
News

Guinness launches Founders SEIS service

Guinness launches Founders SEIS service

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.

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20 February 2026
Insights

How Does SEIS Tax Relief Work? The Complete 2026 Guide for UK Investors

How Does SEIS Tax Relief Work? The Complete 2026 Guide for UK Investors

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

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12 February 2026
Events

Guinness Events 2026

Guinness Events 2026

Join us, Guinness Ventures and Guinness Global Investors for a series of professional investor conferences as we cover critical topics to investors today.

Book your place below for a rewarding morning of investment ideas, roundtable discussions and expert analysis at our CPD-accredited conferences around the UK. 

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