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Top 2026 CleanTech Early Stage Investors in United Kingdom

Discover the top 207 cleantech early stage investors in United Kingdom based on their portfolio. Get their email and LinkedIn info, or an intro.

207
Investors
155
With email
75%
Email rate
Nov 2026
Last updated

Investor search results

208 investors found
🌍 United Kingdom📊 early stage🏷 CleanTech
Desigan Chinniah
Desigan Chinniah
Technologist
Early stage58 investments 📍 United Kingdom
58
investments
Thomas Jones
Thomas Jones
Early stage tech investor. First money in.
Early stage56 investments 📍 United Kingdom
56
investments
Serge Chiaramonte
Serge Chiaramonte
Early Stage Tech Angel Investor & Advisor
Early stage56 investments 📍 United Kingdom
56
investments
Denis HENIN
Denis HENIN
UI/UX Designer | AI Automation Engineer | RAG, Agents & Local LLM Systems | Business Angel | Solvay MBA
Late stage50 investments 📍 United Kingdom
50
investments
Christian Dörffer
Christian Dörffer
Founder & GP, Florent Venture Partners
Early stage47 investments 📍 United Kingdom
47
investments
Serge Alleyne
Serge Alleyne
Entrepreneur • Investor • Guide • Longevity Athlete
Early stage44 investments 📍 United Kingdom
44
investments
Dominic Wilson
Dominic Wilson
Early Stage Technology Investor | Trustee at Centre for London
Early stage40 investments 📍 United Kingdom
40
investments
Naoki Kamimaeda
Naoki Kamimaeda
Global DeepTech & AI Investor | Europe ↔ Asia/Japan Cross-Border Innovation | Venture Partner at IQ Capital | ex-Global Brain | ex-PlayStation & Sony R&D
Mid stage40 investments 📍 United Kingdom
40
investments
Sam Endacott
Sam Endacott
VC Partner
Early stage40 investments 📍 United Kingdom
40
investments
Thomas Plein
Thomas Plein
EGB Trader | Relative Value & Systematic Strategies | Quantitative Strategy Design & Portfolio Management | European Government Bonds · Credit · FX
Early stage40 investments 📍 United Kingdom
40
investments

Frequently asked questions about CleanTech investors in United Kingdom

How many CleanTech early-stage investors are there in United Kingdom?
Gritt tracks 207 CleanTech early-stage investors in United Kingdom, of which 155 (75%) have a direct email address available.
How can I contact CleanTech investors in United Kingdom?
Gritt provides direct email addresses for 75% of investors in this list. Once you have an account, you can export the list or use Gritt AI outreach to draft personalised emails that you review and approve, then send from your Gmail.
Are these investors actively investing in United Kingdom startups?
Yes — Gritt ranks investors by their investment activity. The investors at the top of this list have made the most investments in CleanTech companies and are most likely to be actively seeking new deals.
Can I filter by investment stage or industry?
Yes — use the filters on the left to narrow by investment stage (early, mid, late) or industry. You can also filter by last active date to focus on investors who have made deals recently.
Can I export this list of CleanTech investors in United Kingdom?
Yes — paid Gritt accounts can export any filtered investor list as a CSV, including names, email addresses, LinkedIn profiles and investment counts.

Contact all 207 CleanTech early-stage investors

Gritt drafts a personalised AI email for each — written from your pitch; you approve each one, then it sends from your Gmail.

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