Top 20 Oil and Gas Startup Investors in France (June 2026)

Portfolio highlights

• Mantle8 — Using bottom-up exploration and decades of geology experience, we are on a mission to deliver natural hydrogen to the world.
• Geolinks — We are a deep tech start up in Geosciences. Our mission is to develop sustainable geophysical monitoring solutions using ambient-noise based technology.

Portfolio highlights

• Geolinks — We are a deep tech start up in Geosciences. Our mission is to develop sustainable geophysical monitoring solutions using ambient-noise based technology.

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.

Portfolio highlights

• ITeam — iTeam is transforming the way information technology (IT) and audio/video (A/V) installation services are packaged, sold and delivered through a new approach called Service-as-a-Product™ (SaaP™).
• Monster Mosquito — Monster Mosquito focuses on providing all-natural mosquito sentry repellent systems for its clients. The company also develops a biodegradable compound insecticide to exterminate biting insects.Monster Mosquito uses mosquito mist systems, which contains pyrethrum, a natural mosquito killer made from chrysanthemums. The company was founded in 2002by Kemper Modlin and Leo Niekerk.It is based in Spring, Texas.
• Davidson Instruments — Davidson has designed and developed innovative temperature-tolerant pressure measurement instrumentation that is rugged, immune to electromagnetic interference, and intrinsically-safe based on patented fiber optic sensing technology. The instrumentation has been proven through numerous installations with over one million hours of time inservice. Davidson's products include instruments for making high resolution static pressure measurements and others for making high speed dynamic pressure measurements.

Portfolio highlights

• iNGage — iNGage is a manufacturer of high-performance inertial MEMS navigation sensors for high-volume autonomous mobility markets
• STELLARIA — Stellaria is a 200 MWe molten salt reactor with 20-year autonomy, delivering safe, sustainable nuclear power without refueling.
• STELLARIA — Stellaria is reimagining sustainable rapid neutron nuclear energy.

Portfolio highlights

• L'addition — L'addition is an Ipad cash register software for bars, restaurants, food trucks, and etc. It has developed software that fully meets the expectations of restorers for order intake and collections. Relying on Apple media, its offer is intuitive and economical.The application aims to exceed the functionality of a conventional cash registerwhile enjoying the robustness and ease of use of the iPad. It was founded in 2012 and is headquartered in Paris, France.
• TISSIUM — TISSIUM is creating the future of tissue reconstruction. Learn more about our novel solutions based on our proprietary platform of biomorphic programmable polymers.
• Presto Engineering — We enable companies imagine and implement microelectronics solutions in high-value markets such as Industrial, Automotive, Communication and Medical.

Portfolio highlights

• Lactips — Lactips produces water soluble and biodegradable thermoplastic pellets based on milk protein. Plastic transformation is realized through their secret industrial process. They are able to provide pellets fast and with high volume. Those pellets are used by clients as a raw material for thermoforming, films, or any kind of plastic applications. Theirfirst mission, correlated with their fundamental values, is to provide their industrial clients with new disruptive innovations to help them entering new markets.Their product will be a cleaner alternative to oil-based products, more efficient, and sustainable for consumers and the environment.
• MiAlgae — MiAlgae is a new-age microalgal production company that aims to revolutionize the £340 billion global livestock feed industry by producing microalgal products – through the remediation of wastewater – as nutrient supplements for fishmeal in livestock feeds. Their microalgal products are high in omegas and proteins, both of which are required forthe production of many livestock feeds, especially in the aquaculture sector.Their production methodology uses circular economy to reduce the operating costs involved in the production of microalgae and as such allows them to compete with other supplements currently on the market.
• Polystyvert — Notre technologie permet de collecter facilement le polystyrène et de le recycler pour le remettre sous sa forme originale. Du polystyrène recyclé d'aussi bonne qualité que du neuf !

Portfolio highlights

• Lhyfe — Lhyfe is a developer, investor, and supplier of 100% green hydrogen for mobility and industry.
• Easy Cash — Easy Cash is a marketplace that offers a broad range of used and refurbished products includes electronics, house appliances, and telephony.
• Placeshaker — Placeshaker publishes and designs specialized project management software for renovation and rehabilitation sites.

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.

Portfolio highlights

• CYSEC — Secure your sensitive data in the cloud and in the edge with ARCA Trusted OS and open the door to innovation with confidential computing.
• Physikron — Physikron is a developer of mass spectrometry technologies used to improve the performance of tandem spectrometry. Its technologies offer proteomic analysis and dramatically improves the number of peptides and proteins identified during an LC/MS/MS acquisition that enable researchers to research in an enhanced way.
• Look Up Space — Lookup space is the next global leader for space safety, security and sustainability

Portfolio highlights

• Exotec — Exotec is the designer and manufacturer of the Goods to Person SKYPOD solution which enables order preparation in retail logistics in any sector of activity. The SKYPOD is a robotic order picking system but can also be used as a buffer solution for prepared orders and can be installed in cool or ambient environments. Upstream and downstream ofSKYPOD, we customize according to the level of automation sought, according to the logistics characteristics and distribution channels of our customers. Our customers seek performance and flexibility in our solution: All our solutions are dimensioned as accurately as possible for the flow and stock required We can support the growth of the activity without interrupting production by simply adding robots, stations or racks
• WeeFin — WeeFin centralizes ESG data, customizes strategy, and automates reporting processes. Their solutions are ESG connect, hub expertise, and ESG advisory.
• Nala Earth — Nala empowers companies to measure, manage and report their impact and dependency on nature - compliant with regulation.

Portfolio highlights

• Faradae — Faradae originates, develops, owns, and operates solar generation, powering hospitality, health care, and office buildings.
• CHARBONE — CHARBONE Hydrogen operates as a green hydrogen company.

Portfolio highlights

• Sentryc — Protect your brand and your products from counterfeiters with Sentryc. We monitor over 120 marketplaces for you and remove potential counterfeits.
• Flexvelop — Flexvelop combines financial technology with circular economy to add innovative values to the core function of equipment funding.Local vendors and online-shops integrate Flexvelop as a seamless embedded payment option. Business customers are now able to #flex new equipment per click right at the point of sale. Insurance is already covered, andour customers have now the weekly option, to buy- or return their equipment, easily. This enables a new world of worry-free and flexible business growth.We #flex business equipment from €300 up to €20.000 per item; e.g. coffee-machines, laptops, gym- or dental-equipment,... anything you need for your business.NEXT GENERATION PAYMENTS + Technological Innovation: fully automatic embedded payment option + Economical Innovation: optionality (rent/buy/return) + insurance included + Ecological Innovation: sustainability (contributing to a circular economy) = Enabling worry-free flexible business developmentForget renting. Forget leasing. Grow smart - flex it!
• Vertero — Axial Therapeutics is a biotechnology company fundamentally changing the treatment of neurological diseases and disorders by harnessing groundbreaking science in the microbiome-gut-brain axis.

Portfolio highlights

• Veesion — Veesion: AI-driven smart video surveillance. Detect theft in real time. Protect your business now.
• Terratis — Terratis is a French company that uses the Sterile Insect Technique (SIT) to reduce the populations of tiger mosquitoes and agricultural pests. Their mission is to diminish harmful insect populations effectively on a large scale using a scientific, innovative, ecological, and efficient approach.
• BrightHeart — BrightHeart develops an AI-based platform for fetal ultrasound analysis to improve detection of congenital heart defects.

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!

Portfolio highlights

• Ozon — leading e-commerce platform in Russia, first russian marketplace
• Personio — Personio is the Intelligent HR platform for companies from 10-5,000 employees, powering over 1 million people worldwide. Book your free demo today.
• Culture Amp — Culture Amp was founded as a result of its members' first hand experiences with the challenge that fast growing organizations face when their core business expands faster than its people can adapt. With years of experience in enterprise organizations, CultureAmp's team has taken more than a walk in your shoes–they've been running inthem. They look to seize an opportunity for a new type of technology- technology that amplifies learning and drives culture, instead of hindering it.

Portfolio highlights

• ICTYOS — Ictyos is a startup that creates marine leathers using a circular and sustainable economy logic. It recycles fish skins from the culinary and catering industries.
• Upciti — Upciti provider of precise, localized and real-time data for smart cities and smart retailers. we produce and make available data at the service of man to make cities smarter and more pleasant to live for all on a daily basis.
• Maltivor — Maltivor is a manufacturing firm that produces food ingredients, including flour, pasta, and energy bars based on beer-spent grains.

Portfolio highlights

• 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!
• Arkadia Space — Arkadia Space provides design, develop and commercialise engines and propulsion systems based on green propellants; the best alternative.

Portfolio highlights

• Patrowl — Identify and harden your External Security Posture with Patrowl, the leader. Let us manage time-consuming tasks and focus on remediation.
• Exeliom — Exeliom is a clinical-stage biopharmaceutical company tackling the use of commensal bacteria as drugs. Their mission is to harness the therapeutic potential of gut microbiota to enable people to lead longer and healthier lives. They are committed to developing the next generation of probiotics: innovative microbial therapies.Exeliom develops anew class of medicines called Live Biotherapeutics based on their growing understanding of the central role of the microbiota in the immune system.The company was founded in 2016 and is headquartered in Dijon, France.
• Vade Secure — Vade is a global leader in predictive email defense, protecting 1 billion inboxes worldwide. AI-based email security for Microsoft 365.

Portfolio highlights

• HIKOB — In a world with limited resources and confined space, the understanding and exploitation of our physical assets, capital goods, infrastructures, industrial equipments and machinery, is a crucial challenge for years to come. During the life cycle of these assets, the acquisition of data is essential and is a key factor in the process of: -Knowledge & understanding: It consists in a better understanding to create and innovate. - Exploitation & maintenance: It consists in a better use to reduce costs and make it last. However to be useful and data has to be captured at the source on these assets in their real life conditions and in their real context of use: - Outdoor environment - Large natural spaces - Harsh or regulated environments - Mobility contexts HIKOB’s mission is to develop and provide wireless autonomous multi-points data acquisition system to capture information on the field and learn from reality, in all contexts and conditions. Provided as a fully integrated hardware and software platform, HIKOB systems collect complex data and support advanced data processing algorithms. Quick and easy to install, long lasting, HIKOB systems enable not only the multiplication of measurement points but also deployments in all contexts and all type of fields, while avoiding the installation and maintenance costs of traditional wired systems. HIKOB technologies are a key enabler and a result booster for businesses in their development and innovation process as well as for operations and maintenance.
• ARGOSIM — Powerful Tools for a Simulation-Driven Design Process.
• BiBOARD — BiBOARD is a Grenoble based business intelligence company. The company has established itself as a key player in this market. It also managed to bring on-board some big name clients, including Orange, Clarins, and Domaines Barons de Rothschild (Lafite), and key partners including BULL and ATOS. In addition to providing comprehensive and dynamicvisualization of data, one of the things BiBOARD also brings to the market is a collaborative aspect, where users can communicate with their clients, partners, and suppliers via a secure hypertext link.The company was founded in 2008 and was acquired by Econocom on 2017.