Top 25 CleanTech Angel Investors in Germany (May 2026)

Portfolio highlights

• Lhotse — Lhotse helps you optimize the costs you're not looking at by taking the hassle out of indirect spend. The next gen procurement & sourcing system.
• Ostrom — We make energy fair, smart and green - one flexible monthly plan with no hidden fees, digital-first and 100% renewable energy.
• bunch — bunch is the operating system (OS) for private market investing, handling digital entity creation, seamless investor onboarding and portfolio management. The company's platform focuses on saving time, money and mental energy by eliminating legacy intermediaries, overwhelming regulatory complexity, and low-tech administration.Operating acrosslegal structures, asset classes and jurisdictions allows bunch to fully unlock private markets for everyone, enabling businesses and investors to make private markets easy, cost-efficient and fast.

Portfolio highlights

• Certivity — Certivity offers software to model digital regulatory twins of their products. This will ensure that current regulatory requirements are integrated in the right place in the engineering process. Product compliance will be smarter, safer, more transparent, more efficient, and significantly cheaper.
• DeepDrive — We are DeepDrive. We are powered by fusion. Absolute professionalism mixed up with our deeply rooted urge to discover. Deep expertise meets revolutionary innovations.
• Moonblock — Moonblock is a tool to navigate Web3 with the right insights with a Web3 Brand Intelligence platform.

Portfolio highlights

• Lumiform — Lumiform is an easy-to-use & powerful inspection & audit software. The Lumiform mobile app is available on all devices, iOS & Android - Start FOR FREE now.
• Cylib — The cylib process transfers waste from end of life batteries or production scrap into marketable products. Cylib covers all steps from the discharging of batteries up to hydrometallurgical extraction. Since the whole process is in one hand, also the processing of production scraps as well as black mass is possible.
• Surfboard — Surfboard; Simpler, smarter and fairer scheduling software for customer support teams at scale. Click to learn more about Surfboard.

Portfolio highlights

• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.
• NeoCarbon — NeoCarbon reverses climate change by dramatically cutting costs of Direct Air Capture leveraging cooling towers around Europe. By retrofitting existing infrastructure without impacting their original function, the time and cost needed to set up a carbon capturing system is improved by up to 10x.

Portfolio highlights

• Cylib — The cylib process transfers waste from end of life batteries or production scrap into marketable products. Cylib covers all steps from the discharging of batteries up to hydrometallurgical extraction. Since the whole process is in one hand, also the processing of production scraps as well as black mass is possible.

Portfolio highlights

• Cylib — The cylib process transfers waste from end of life batteries or production scrap into marketable products. Cylib covers all steps from the discharging of batteries up to hydrometallurgical extraction. Since the whole process is in one hand, also the processing of production scraps as well as black mass is possible.
• Bonnet — Bonnet is the easy way to charge your EV on the go. Access more than 3000 public chargers around the world. It's the must-have app for electric vehicle drivers everywhere.
• Bosque Foods — Kinoko Labs develops the next generation of meat substitutes, starting with whole-cut meat items made from fungal mycelium produced organically. Headquartered in New York.

Portfolio highlights

• Opna — Opna is a financing platform for climate projects that remove carbon and protect natural ecosystems. Opna offers data, proprietary risk assessments, and efficient capital structures, helping companies to translate net-zero committed capital from financial institutions, and corporates into direct financing across a project's lifecycle.
• Fides — Fides is your one-stop-shop for c-level governance.We are making it easier for managers to comply with, digitally execute and track their legal obligations across different companies in various jurisdictions. Keep an overview of duties, deadlines and tasks in different entities. Orchestrate, execute and document c-level meetings, resolutions& approvals. Create a revision-proof audit trail of any c-level decision.We know you have good intentions. You just need to be able to prove them.
• H2 Green Steel — H2 Green Steel will be a fully integrated, digitalized and automated greenfield steel plant. By bringing together raw materials, renewable energy, local expertise, and artificial intelligence, we aim to bring emissions down to zero.

Portfolio highlights

• Cylib — The cylib process transfers waste from end of life batteries or production scrap into marketable products. Cylib covers all steps from the discharging of batteries up to hydrometallurgical extraction. Since the whole process is in one hand, also the processing of production scraps as well as black mass is possible.

Portfolio highlights

• Filu — Tierversorgung, wann und wie immer du es brauchst. In der Praxis, Zuhause und unterwegs.
• NeoCarbon — NeoCarbon reverses climate change by dramatically cutting costs of Direct Air Capture leveraging cooling towers around Europe. By retrofitting existing infrastructure without impacting their original function, the time and cost needed to set up a carbon capturing system is improved by up to 10x.

Portfolio highlights

• Cycle — Cycle was founded with the mission of building innovative ultrafast laser technology for science and industry that excels through performance and reliability in application.A versatile team, backed with decades of expertise in laser technology and system integration, works closely together with applicants to plan and install solutions foractive environments. Cycle's team offers comprehensive consulting, service and support to realize the best match for your requirements.
• METALSALE — Metalsale builds a digital trading platform that allows non-ferrous metal scrap to be traded easily, lucratively and safely. They are a team with many years of experience in recycling and technology companies and know the problems that need to be solved.

Portfolio highlights

• Apheris — Build ML-powered products using data that spans organizational or geographical boundaries, while ensuring compliance with regulation.
• Unlikely AI — We are pioneering safe, trustworthy and powerful artificial intelligence
• Vay — Vay is a leading teledriving company that aims to launch a unique, affordable, and sustainable door-to-door mobility service.

Portfolio highlights

• Freatic — We bridge the gap between individuals with untapped knowledge and actors who can take advantage of these opportunities.
• Eden Bio — Eden Bio is a biotech using machine learning to guide the genetic engineering of microorganism strain optimisation, improving protein yield.
• CaSRevolution — A novel disease-modifying approach against neurodegeneration

Portfolio highlights

• Pachama — Harnessing AI to drive carbon capture and protect global forests
• Remi — Add mood-sharing and icebreakers to async check-ins and meetings. Stay connected and build trust on your remote team every day.
• Meine Erde — Meine Erde is a provider of ecological burial option in Europe.

Portfolio highlights

• TopCheck — TopCheck.com.ng is a platform for comparing financial services like insurance, credit cards or loans. It was founded in January 2015 and is headquartered in Lagos.
• Wegatech — They plan renewable energy technology for you. As a standalone solution or in the system. For the professional installation, they work closely with selected craft companies. Thereby they bundle competencies in consulting, planning and execution.
• ePilot Mobility — The corporate benefit program for a sustainable future. Employers pay for their employees. These use electric cars

Portfolio highlights

• Vaayu — Software that helps online retailers track and cut carbon.
• Canvas — Canvas is a collaborative data exploration tool that helps modern business teams make decisions without SQL.
• Census — Census is the leading reverse ETL tool delivering operational analytics to hundreds of the world's most data-driven companies. Start syncing data with your free account.

Portfolio highlights

• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.
• Hygraph — Hygraph is the next generation GraphQL-Native Federated Content Platform. Integrate all your services with our unique content federation approach and deliver to any destination of choice using our content APIs
• Detectify — Detectify's external attack surface management tool - assess, prioritize, remediate continuously growing external attack surfaces.

Portfolio highlights

• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.

Portfolio highlights

• Enzai — Enzai's AI governance platform allows you to build and deploy AI with confidence. Measure your progress in AI responsibility, and get actionable steps with our 3-minute maturity assessment.
• Gladia.io — 1 stop shop AI API hub for developers
• Hyperline — Enjoy the most flexible billing platform for B2B SaaS businesses. Start today without a single line of code.

Portfolio highlights

• Cylib — The cylib process transfers waste from end of life batteries or production scrap into marketable products. Cylib covers all steps from the discharging of batteries up to hydrometallurgical extraction. Since the whole process is in one hand, also the processing of production scraps as well as black mass is possible.

Portfolio highlights

• NUMOS — NUMOS is an insurance tech platform.
• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.
• dao — We use modern technology to revolutionize residential property management

Portfolio highlights

• mixd.tv —
• Labforward — Labforward is building the laboratory of the future. We are creating the operating system of the lab by connecting data, devices, and researchers.
• Hawa Dawa — Hawa Dawa manufactures and develops air quality monitoring systems. Karim Tarraf, Matthew Fullerton, Yvonne Rusche, Jannai Falschberger, and Birgit Fullerton founded it in 2016, with its headquarters in Munich in Germany.

Portfolio highlights

• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.

Portfolio highlights

• Carbonstack — Carbonstack uses emissions offsets to accelerate the transition to CO2 neutrality.

Portfolio highlights

• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.

Portfolio highlights

• 42 Watt — 42 Watt is an energy conservation consultancy which strives to reduce costs, save energy and protect the climate.
• Halitus — Laser Technology x Gas Dynamics Analysis x Machine Learning.
• Manti Manti — Manti Manti goal is to turn children's glasses from a dusty medical device into a cool, stylish, sustainable, and functional lifestyle item. That youngsters enjoy. Parents, too.