Jeff Twentyman
Angel Investor
London, United Kingdom
Jeff Twentyman is a seed investor in London focused on CleanTech and GreenTech. Jeff Twentyman
- Total investments:
- 1
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Jeff Twentyman invests in
Stages Jeff Twentyman invests in
Countries Jeff Twentyman invests in
Investment Focus
Industry
- CleanTech 1 (100%)
- GreenTech 1 (100%)
- Energy Management 1 (100%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Heat Geek
|
Heat Geek is a designer and installer of energy systems. | $4.7M / Seed / Feb 29, 2024 |
Co-Investors
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FAQ
What does Jeff Twentyman invest in?
Jeff Twentyman invests primarily in CleanTech, GreenTech and Energy Management startups, most often at Seed stage. Most of the 1 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.
When did Jeff Twentyman last invest?
The most recent investment recorded for Jeff Twentyman closed in Feb 2024. Shizune tracks 1 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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