Top 5 Oil and Gas Angel Investors in Europe (June 2026)
For AI agents: Short investor table (Markdown), Detailed investor list (Markdown)
| Investor | Relevant Deals | Geography | Stage | Focus | Round Size |
|---|---|---|---|---|---|
|
John Browne
Angel
|
1 | United Kingdom, France | Series A | Energy, Artificial Intelligence, GPS | $10M–$100M |
|
Jean-Gabriel Levon
Angel
|
1 | France | Seed, Series A | Drones, GreenTech, Advertising | |
|
Sanne Manders
Angel
|
1 | The Netherlands, France, United Kingdom | Seed, Series A, Series C | Grocery, Big Data, Hardware | $1.6M–$10M |
|
Barry Downes
Angel
|
1 | Ireland, United Kingdom | Seed, Series A, Series B | Software, Artificial Intelligence, Information Technology | |
|
Alexander Chesterman
Angel
|
1 | United Kingdom, France | Seed, Pre-Seed, Series A | FinTech, E-Commerce, Financial Services | $524k–$23M |
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Investor list
John Browne serves as part of the advisory board at Giant Ventures.
Show more...Investment focus
- Industry: Energy, Artificial Intelligence, GPS
- Stage:Series A
- Geography: United Kingdom, France
Investor stats
- Total investments: 4
- Round size: Series A $10M–$100M
- Lead/follow: 25% lead, 75% follow
Portfolio highlights
- CuspAI — CuspAI is a revolutionary AI startup that is developing a platform for next-generation materials to address global sustainability and renewable energy concerns. CuspAI uses cutting-edge generative AI, deep learning, and molecular simulation to accelerate the material design process. Their platform works similarly to a search engine for materials,allowing users to request certain properties for new materials on demand.
- Kayrros — Kayrros is the leading advanced data analytics company that helps traders, investors, operators and governments make better decisions.
- Venterra — We engineer, build and support the operation of multiple offshore wind farms through our portfolio of specialist operators providing reliable, high-quality services to the offshore wind industry.
Jean-Gabriel is the COO of the Company. As an engineer and entrepreneur, he and his team lead the development of Ynsect operations in its industrial sites. He has a cumulative 8 years of experience in industrial companies and projects.Prior to founding Ynsect in 2011, Jean-Gabriel worked and traveled as a consultant for Schlumberger in the oilindustry.
Show more...Investment focus
- Industry: Drones, GreenTech, Advertising
- Stage:Seed, Series A
- Geography: France
Investor stats
- Total investments: 2
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- MORFO — We combine local seeds, biological symbioses, drones and artificial intelligence to sustainably reforest and fight global warming around the world.
- Spinergie — Unlock Sustainable Energy with Spinergie: Transform operational and maritime data into actionable insights to reduce your carbon footprint and increase efficiency. Start your maritime green journey today!
Sanne Manders is the President at Flexport .
Show more...Investment focus
- Industry: Grocery, Big Data, Hardware
- Stage:Seed, Series A, Series C
- Geography: The Netherlands, France, United Kingdom
Investor stats
- Total investments: 4
- Round size: Seed $1.6M–$10M
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Packfleet — We serve millions of Londoners, combining a top-notch delivery service with advanced technology to offer a carbon-neutral delivery experience like no other.
- Spinergie — Unlock Sustainable Energy with Spinergie: Transform operational and maritime data into actionable insights to reduce your carbon footprint and increase efficiency. Start your maritime green journey today!
- Crisp — Crisp is app-only supermarket for ultra-fresh food. The marketplace stocks >2000 products from more than 650 farmers, growers and makers and runs on proprietary software enabling zero-inventory and negative working capital. Order today, is delivered next day in a 1-hour timeslot. Launched in April 2018 in the Netherlands, backed by the largestseed funding in the Benelux in the last 3 years. In 2019 and 2020 Crisp raised follow-on rounds.Crisp is founded by Tom Peeters, Michiel Roodenburg and Eric Klaassen with the mission to make better quality food available to more people.
Barry Downes is an experienced technology investor, entrepreneur and technologist with extensive domain experience in Artificial Intelligence, Security Technologies and Immersive Technologies. Barry is Managing Partner and Co-Founder of Sure Valley Ventures, which he founded in 2017. He is a software founder turned investor, having founded severaltechnology businesses throughout his career, including FeedHenry, a leader in mobile cloud technologies, which was sold to Red Hat/ IBM in 2014. Previously, Barry was CEO of the leading academic software research and futurist institute, the Walton Institute, which worked with many of the top Silicon Valley and European global software companies on advanced technology research and futurist projects. He is also an advisor to the European Commission’s European Innovation Council, which is focused on developing Europe’s next unicorns with an allocated budget of over €1 billion.Barry holds a BSc in Applied Computing from Waterford Institute of Technology, an MBA from Smurfit Business School, University College Dublin and executive qualifications from Henley Business School in the UK, Harvard Law School in Cambridge, Massachusetts and Haas School of Business at the University of California, Berkley, in Venture Capital. He is also a Certified Investment Fund Director (CIFD), awarded by the Institute of Banking (IOB) and is registered with the FCA.
Show more...Investment focus
- Industry: Software, Artificial Intelligence, Information Technology
- Stage:Seed, Series A, Series B
- Geography: Ireland, United Kingdom
Investor stats
- Total investments: 13
- Lead/follow: no public data
Portfolio highlights
- Ambisense — Since 2014 Ambisense has been driving innovation within the environmental space. Their technology platform optimizes the delivery of environmental risk assessment on some of the world’s largest infrastructure projects across industrial, O&G and waste verticals. Ambilytics encompasses both IoT and ML solutions, combining information fromremotely deployed field devices with contextual data sources such as weather, satellite, geophysical and operational data to build machine learning models. These models identify the relationships, patterns, and drivers hidden within the data and allow our customers to forecast and predict the behaviour of targeted environmental pollutants.
- RETìníZE — RETìníZE is an AR, VR, multi-screen installations, and software development.
- Stylus — Stylus automates the assessment and feedback procedure in schools by using artificial intelligence.
Alex Chesterman is the Co-Founder of Houseful. Alex Chesterman attended the University College London.
Show more...Investment focus
- Industry: FinTech, E-Commerce, Financial Services
- Stage:Seed, Pre-Seed, Series A
- Geography: United Kingdom, France
Investor stats
- Total investments: 41
- Round size: Seed $524k–$4.8M; Pre-Seed $655k–$3M; Series A $2.3M–$23M
- Lead/follow: 7% lead, 93% follow
Portfolio highlights
- Zefir — Zefir aims to expand the realm of possibilities for millions of European homeowners. We make home-selling simpler, faster and more certain by buying the property directly from you. Selling a home is now just a few clicks away.
- Pharmacierge — Pharmacierge is the digital e-prescribing service chosen by private clinicians to deliver medication to their patients throughout the UK and worldwide. Clinicians create and transfer e-prescriptions to our pharmacy near London's Harley Street, for free delivery to their patients either the same day or next weekday
- Vyne Technologies — Vyne Technologies is the specialist account-to-account payments platform.
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