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Top 25 Climate Startup Investors in Luxembourg in April 2025

Last updated: Apr 2025 A list of 25 angel investors and VC (Venture Capital) funds that invest in Climate startups based in Luxembourg. We rank investors based on the number of investments they made in Climate companies from Luxembourg. We update this investor list every month.

Top 25 Climate Startup Investors in Luxembourg in April 2025

Investor	Climate Luxembourg investments
Volta Ventures	3
KBC Focus Fund	2
Expon Capital	2
Finindus	2
Husqvarna	1
Angelsquare	1
Urban Gillström	1
Demeter	1
Sustainable Ventures	1
Eurefi	1
ROC	1
EIT RawMaterials	1
Atlantic Bridge	1
Innovation Fund	1
William Ahlefeldt-Laurvig	1
Carsten Ullrich	1
Andia Shtepani	1
Diane Ries	1
EIC Fund	1
Luxembourg Space Sector Development fund	1
KBC	1
Gérard Schockmel	1
DMA	1
Elisabeth Ahlefeldt-Laurvig	1
Akiles	1

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Investor list

Volta Ventures is a venture capital firm that offers seed & early stage VC for internet & software companies in the Benelux.The fund’s team, with active support from some 30 business angels, expects to make a substantial impact on every company it invests in by working with the founders and management to identify new markets andcustomers, hire senior talent, provide ongoing guidance and arrange further financing rounds.Volta Ventures has offices in Ghent and Amsterdam.

Investment focus

Software, Information Technology, Artificial Intelligence
Seed, Series A, Funding Round
Belgium, The Netherlands, Luxembourg

Portfolio highlights

Hyperfox — The tailored eCommerce platform for the Wholesales industry. All you ever needed to grow your Wholesales enterprise.
LangWatch — LLMops, AI evaluations, B2B, AI optimisations, Prompt management, Collaboration
Videobot — Grow your business with personalised video funnels that engage your audience with human interaction, capture leads, guide your users, enhance customer satisfaction and increase conversion rate.Short videos have already become dominant across social media platforms. Now, this beloved user experience is available on company websites as well. The applications are vast and varied. Discover how it all works by reserving your own presentation slot.

The KBC Focus Fund is a € 50 million venture capital fund that leverages the network of KBC in our investments. As we are an evergreen fund, we always strive for an exit when market conditions are favourable.

Investment focus

Electronics, Semiconductor, Manufacturing
Funding Round, Seed, Series A
Belgium, The Netherlands, Germany

Portfolio highlights

Aito — We are developers of patented and award-winning Piezo Sensing and Haptics technology who are on a mission to offer unparalleled user experience by bringing surfaces to life with tactile feedback to help consumer electronics brands create new and innovative products, offering differentiation in a crowded marketplace.
BeeOLED — BeeOLED’s technology enables OLED displays with significantly improved efficiency, brightness and operational stability at lower overall costs due to a less complex device structure.
Ubitium — Ubiquitous computing, universal RISC-V microprocessor

Global investor in big ideas with the potential for positive impact & exponential growth

Investment focus

Software, E-Commerce, Financial Services
Series A, Seed, Series B
Luxembourg, France, United States

Portfolio highlights

Aydo — Aydo offers a platform that bridges the gap between financial markets and unlisted investments.
Accelex — Accelex Technology, the technology solution to automate the acquisition, analysis and reporting of critical investment data. Learn more today.
Sympower — Empower your business with Sympower's AI-powered solutions, optimising efficiency and maximising revenue through demand response, battery storage, and grid balancing.

Finindus provides early stage financing and growth capital to innovative companies active in the area of materials, material processing and sustainable manufacturing. We are funded by ArcelorMittal and the Flemish Region and linked to OCAS, the world class metals research center located in Belgium.

Investment focus

Manufacturing, Industrial, Renewable Energy
Funding Round, Series A, Series B
Belgium, Sweden, The Netherlands

Portfolio highlights

Ventory — Ventory is an affordable, intuitive, and easy-to-use platform that gives field professionals full visibility and real-time control over remote inventory.
HyperHeat — HyperHeat is a climate tech startup, that develops a breakthrough solution for zero-carbon industrial heat at very high temperatures.
Tau Group — E-mobility is powered by its core - the electric motor. We at Tau are at the very core of the core: the copper winding wire, the magnetic core, the electrical steel.We just make it bet.

Who we are We make a difference to people who shape green spaces and urban environments through our leadership in user-centered and sustainable solutions. With our passion for innovation, we create products and services for customers around the world.

Investment focus

Internet of Things, Apps, SaaS
Seed, Series C, Funding Round
United States, Finland, Luxembourg

Portfolio highlights

Moleaer — Moleaer's market leading nanobubble generator is the most efficient gas injection technology available to dissolve virtually any gas into any liquid.
GAMMA AR — Improve the way you build with a construction app that bring the BIM models to the construction site using augmented reality.
Soil Scout — Soil Scout is the Most Advanced Soil Monitoring Solution For Professional Agriculture, Golf, and Sports Turf Maintenance. It Includes Underground Wireless Soil Sensors with 20 Years of Battery Life, Cloud Dashboard, and Monitoring Service.

Since its launch in 2016, Angelsquare has supported more than 500 startups from all sectors in their Pre-Seed, Seed, Series A & Series B fundraising. From the implementation of the operation to the final negotiations, we have developed unique expertise that we put at the service of entrepreneurs to advise them throughout their fundraisingoperation and help them convince the right investors. : Business Angels, Family Offices, investment funds…

Investment focus

Software, Internet, Information Technology
Seed, Series A, Funding Round
France, United States, Switzerland

Portfolio highlights

Pongo — Pongo has created for you the first intelligent marketing assistant that communicates with your customers and increases your Google referencing, without you having to lift a finger
Orosound — Superior headsets for work. Advanced quality signed by Orosound -the French expert in active noise control, audio intelligence, and durability.
Remotebase — Get thoroughly vetted software developers from all over the world with expertise in AI, ML, back-end, front-end and more. Risk-free trial available!

Our CEO Urban is a C-level executive with three decades of global experience in communications, media and technology. He is responsible for taking the vision to action with the Greenworlder team. He is also a senior advisor in business and private equity and business angel with scalable media platform and sustainable start-ups. On his free time,Urban can be found running, cycling, and spending time with his family.https://greenworlder.com/urban-gillstrom/

Investment focus

Marketing, Journalism, Social Media
Seed
Finland, Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.
Videobot — Grow your business with personalised video funnels that engage your audience with human interaction, capture leads, guide your users, enhance customer satisfaction and increase conversion rate.Short videos have already become dominant across social media platforms. Now, this beloved user experience is available on company websites as well. The applications are vast and varied. Discover how it all works by reserving your own presentation slot.
EatAndTheCity — EatAndTheCity helps international newspapers, magazines, local media & food guides monetise the influence of their content. We enhance the communication between local communities and local media. Their revenue generating restaurant journalism platform for media companies allows users to not only discover but to reserve gastronomic experiences.EatAndTheCity’s white label platform already collaborates with leading companies in Finland and Estonia and Germany. Media and publishing companies are able to leverage their connection with local communities to generate new revenue streams. Combining these features and the business model in cooperation with local media companies differentiates us from the competitors.

Demeter is a major player in venture capital and private equity for the energy and ecological transition. They invest from 500 K€ to 30 M€ to support companies at all stages of their development: innovative startups, high growth SMEs and infrastructure projects.

Investment focus

Manufacturing, Software, Renewable Energy
Funding Round, Seed, Series A
France, Germany, Slovenia

Portfolio highlights

AISPRID — AISPRID is a robotic company that manufactures autonomous robots for soft fruit picking.
Pony — Instant city bike hire
Sirfull Technology — Solutions SIRFULL pour le soudage, l'inspection et la maintenance | Welding cloud logiciel soudage | Linspec Cloud logiciel inspection

Welcome to the home of Climate Tech. We are a full service ecosystem empowering sustainable start-ups to scale through community, investment, innovation and workspace.

Investment focus

Renewable Energy, Sustainability, Biotechnology
Pre-Seed, Seed, Funding Round
United Kingdom, Israel, Luxembourg

Portfolio highlights

PlantSea — PlantSea manufactures and develops sustainable products using seaweed and aquaculture materials. It offers bioplastics items as biodegradable alternatives. PlantSea is based in Gaerwen, England.
Uplift360 — Uplift360 is a greentech startup working in advanced material circular economy (redesign, reuse, regenerate and recycle), uniquely focused on the defence and security sector.
Danu Robotics — Danu Robotics manufactures AI guided robotic systems for sorting recyclable waste - highly accurate, modular multi-arm systems that retrofit into existing MRF operations and collates EPR data.

Eurefi is contributing fully to the development of a new cross- border economic area.

Investment focus

Manufacturing, Precious Metals
Funding Round
Luxembourg

Portfolio highlights

Saturne Technology — Saturne Technology is specialized in laser-cutting, laser-drilling, laser-welding and laser-cladding, using a manufacturing process by Selective Laser Melting (SLM) (i.e. metallic 3D-printing using fine metallic-powder bed).

Family Office

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

EIT RawMaterials provides a collaborative environment for disruptive and breakthrough innovations by connecting business with academia, research, and investment. It also invests in future generations of innovators for the raw materials sector through initiatives ranging from the education of school students to higher qualifications for industryprofessionals.

Investment focus

Mining
Seed
France

Portfolio highlights

AM 4 AM — AM 4 AM is a developer of materials for additive manufacturing.
ScrapBees — ScrapBees is a pick-up service for the recycling of scrap metal from commercial businesses and private households.
MagREEsource — MagREEsource is to link the circular economy by providing a green metallurgical solution through short loop recycling of NdFeB magnets to stabilise and diversify the supply of Rare Earth permanent magnets.

Atlantic Bridge is a Growth Equity Firm with a Cross Border Value Add strategy. We invest in deep technology companies in Europe and the US. Our team is made up of successful entrepreneurs and senior technology industry executives and we invest in strong ambitious entrepreneurs and management teams that have the passion and drive to scale up andexploit major growth opportunities. We help our portfolio companies expand and grow internationally through our global platform with our team and offices in London, Dublin, Munich, Paris and Palo Alto.Atlantic Bridge brings together a unique team of technology entrepreneurs, experienced managers, finance professionals, and investment experts. The team contains a wealth of international business experience across Europe, the UK and the US. They have worked together in various capacities for the last 30 years, bringing a true partnership approach to their firm and their investments. Its investors include the founders, leading institutional investors, and private investors with a track record of investment in successful technology companies.Atlantic Bridge has developed a unique and differentiated strategy that focuses on specific technology themes and the implementation of the “Atlantic Bridge Model” for scaling companies internationally. The “Bridge Model” accelerates the scale-up of technology companies in Europe and the US. This approach is highly differentiated and has delivered strong performance results to date.

Investment focus

Software, Information Technology, Artificial Intelligence
Series A, Series B, Funding Round
United States, Ireland, United Kingdom

Portfolio highlights

Mitiga — Mitiga proactively stores and enhances forensic data so our experts can start incident investigations fast to get you back to business as usual
Mindgard Ltd — Mindgard Ltd specializes in providing comprehensive AI security solutions to enterprises. Our operations center around a sophisticated platform designed to determine, detect, and remediate adversarial attack vulnerabilities within AI models. The platform is built on over four years of PhD-led research in AI and cyber security, ensuring advancedprotection that traditional Cyber Security platforms cannot offer.Our platform integrates seamlessly with existing AI and Cyber Security tools, enabling automated and repeatable vulnerability testing across the entire AI estate. This integration allows enterprises to efficiently assess and mitigate risks, optimizing their AI and cyber security resources.Key operational features include: - Automated Security Testing: Utilizing a library of adversarial attacks, our platform conducts thorough and repeated security tests to identify vulnerabilities. - Detection and Response: The platform continuously monitors AI models for threats and provides rapid detection and response capabilities to neutralize potential attacks. - Seamless Integration: Designed for compatibility with existing operational tools, our platform can be easily incorporated into current security infrastructures.Mindgard Ltd's operations ensure that businesses can securely adopt and innovate with AI technologies while protecting their digital assets, brand, and reputation in the evolving AI landscape.
Insight Terra — Insight Terra supports data driven risk management in critical situations where business operations, people and the environment all come together.

Chemical, Advanced Materials, Cosmetics, Recycling, CleanTech, Plastics and Rubber Manufacturing, Nanotechnology, Biosciences

Investment focus

Health Care, Manufacturing, Information Technology
Funding Round, Seed, Series A
Belgium, France, Luxembourg

Portfolio highlights

Aloxy — Aloxy offers reliable IIot solutions tailored to the needs of the process industry. Our valve sensor provides an open and close indication of manual valves.
Fyteko — For a more sustainable agriculture
Graftys — Graftys, an Aix-en-Provence, France-based early stage company focused on advanced bone biologics.

William is an experienced engineer with a broad background including forestry, the energy sector and IT start-up ventures. He has a wide experience in taking projects from idea stage through development to launch and all the way to market. In Greenworlder, William has been the driving force behind turning Peter’s vision into reality.https://greenworlder.com/william-ahlefeldt/

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Carsten Ullrich

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Andia Shtepani

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Diane Ries

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

start-ups, SMEs, technology, co-investment

Investment focus

Biotechnology, Health Care, Information Technology
Pre-Seed, Seed, Funding Round
Germany, The Netherlands, Austria

Portfolio highlights

Filuta AI — Operationalized Composite Artificial Intelligence
Resistell AG — Resistell is a antibiotic resistance test.
iThera Medical — Explore optoacoustic imaging technology for non-invasive in vivo visualization and quantification of disease-related tissue biomarkers.

Luxembourg Space Sector Development fund is a investment firm.

Investment focus

3D Printing, Manufacturing
Seed
Luxembourg

Portfolio highlights

AM 4 AM — AM 4 AM is a developer of materials for additive manufacturing.

KBC Private Equity - the investment company of KBC Group - provides development capital and finances buy-outs to medium-sized companies in Belgium and in Central and Eastern Europe, KBC's home markets.Boasting an experienced team of 28 people, it has more than 60 active investments in portfolio with a market value in excess of EUR 400million.KBC Private Equity aims to become one of the leading private equity providers on KBC Group's home markets. As an active shareholder with a long-term perspective, KBC Private Equity is involved in taking strategic decisions and providing support to management teams.

Investment focus

Biotechnology, Health Care, Information Technology
Seed, Series A, Series B
Belgium, United States, Luxembourg

Portfolio highlights

ELIS — Elis is a multi-services group in Europe and Brazil, specialized in the rental and maintenance of professional clothing and textile articles, as well as hygiene appliance and well-being services. With more than 19,000 employees spread across 13 countries, Elis consolidated turnover in 2014 was €1.331 billion and consolidated EBITDA reached €429million. Benefiting from more than a century of experience, Elis today services more than 240 000 businesses of all sizes in the hotel, catering, healthcare, industry, retail and services sectors, thanks to its network of nearly 300 production and distribution centers and 13 clean rooms, which guarantees it an unrivalled proximity to its clients.
Setle — During the renovation process, Settle assists in helping to make better judgments. Settle's goal is to increase renovation transparency. From increasing the energy efficiency of your home to getting the most out of your housing budget.
MICLEDI Microdisplays — MICLEDI Microdisplays is an experienced executive in the semiconductor industry,

Gérard Schockmel

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Family Office

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Elisabeth Ahlefeldt-Laurvig

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Akiles is a Belgian Evergreen Investment Company focussing on Growth Capital. Managed by Christophe Rousseaux, Kurt Huyghe, Laurent Puissant Baeyens and

Investment focus

Health Care, Software, Wellness
Funding Round, Private Equity, Series A
Belgium, France, Luxembourg

Portfolio highlights

HYPNO VR — HypnoVR is a virtual reality software for anesthesia, treatment of pain, and anxiety. It was founded in 2016 and is based in Strasbourg, France.
moonbird — Slow breathing is the easiest way to relieve stress and promote relaxation. Moonbird makes it intuitive and easy to do breathing exercises.
Saturne Technology — Saturne Technology is specialized in laser-cutting, laser-drilling, laser-welding and laser-cladding, using a manufacturing process by Selective Laser Melting (SLM) (i.e. metallic 3D-printing using fine metallic-powder bed).

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