Top 15 Sustainability Startup Investors in Luxembourg in May 2026

Portfolio highlights

• Cobalt AI — Cobalt builds indoor robots that work alongside human guards to provide security. It offers indoor security robots that do patrolling in the premises, as well as look for intruders or anything that's out of the ordinary; and comprise intruder and anomaly detection, human-robot interaction, and mapping and sensing capabilities. Erik Schluntzand Travis Deyle founded it in 2016, with its headquarters in San Mateo in California.
• Recycleye — Recycleye offers ground-breaking AI robotics for innovative waste and materials management. See how automation can optimise your operations.
• Encube Technologies — Encube's AI-powered 3D industrialization platform helps hardware teams reduce production costs and cut time-to-market by half. Discover how.

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.

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.

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.

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 and moonbuddy make it intuitive and easy to practice slow 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).

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.

Portfolio highlights

• Lixo — Lixo develops software solutions to improve the performance of recycling companies, from waste collection to sorting and recyling
• SWEETCH Energy — SWEETCH Energy is developing a breakthrough technology in the field of salinity gradient power harvesting.
• BeFC Bioenzymatic Fuel Cells — Miniature batteries are complex, expensive and unecological to collect and recycle. Our thin, light-weight and flexible paper-based biofuel cells are biodegradable, environmentally friendly and economically viable.

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).

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.

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.

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.

Portfolio highlights

• AMEA Power — Founded in 2016, AMEA Power has assembled a leading team of global industry experts to deliver clean energy projects across Africa, the Middle East and other emerging markets.
• Pele Energy Group — Pele Energy Group owns and runs renewable energy infrastructure in addition to providing economic and community development consulting services.
• Pele Green Energy — Pele Green Energy is an Independent Power Producer that develops, owns, procures, builds, and operates renewable energy power projects, including Small Scale Embedded Generation and utility scale power plants, and is the leading South African Independent Power Producer in the Renewable Energy Independent Power Producer Procurement, REIPPPProgramme.

Portfolio highlights

• ScrapBees — ScrapBees is a pick-up service for the recycling of scrap metal from commercial businesses and private households.
• project bcause — project bcause is a digital platform where individuals can fund good projects in a flexible and collaborative manner, ranging from donations to investments. project bcause is headquartered in Berlin, Germany and was founded in 2021.
• Vivira — Vivira Health Lab focuses on making physical rehab programs available to everyone.

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.

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.