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Top 15 Clean Energy Angel Investors in Germany in May 2025

Last updated: May 2025 A list of 15 angel investors that invest in Clean energy startups based in Germany. We rank investors based on the number of investments they made in Clean energy companies from Germany. We update this investor list every month.

Top 15 Clean Energy Angel Investors in Germany in May 2025

Investor	Clean Energy Germany investments
Andreas Kupke	2
Philipp Kloeckner	2
MARKUS W. VOIGT	1
Alexandre Berriche	1
Tim Bode	1
Moritz Poewe	1
Christoph Ostermann	1
Tim Schumacher	1
Anna Alex	1
Tobias Schuett	1
Maximilian Both	1
Kai Klapdor	1
Julian Teicke	1
Ron Hillmann	1
Matthias Ernst	1

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Andreas Kupke is the COO at Finanzcheck.de.

Investment focus

Drones, Biotechnology, Satellite Communication
Seed, Pre-Seed, Series A
Germany

Portfolio highlights

GovRadar — GovRadar accelerates and simplifies the procurement process for the public sector. Our procurement platform helps public authorities procure innovations efficiently - automated and in compliance with procurement law. The SaaS solution generates tender documents in a few clicks rather than months.
Urban Ray — Urban Ray makes goods accessible anytime for everyone.
Vaeridion — Clean and affordable air mobility before 2030.

Philipp has been product manager and inhouse SEO at the market leading price comparison in Germany (Idealo.de) for 6 years. He specializes in the fields of accessability, crawlability and onpage optimization of websites with 1M+ subpages.Since 2011 Philipp Klöckner focuses on search consultancy and angel investing to share his experience insearch marketing, product and business intelligence with publishing houses, e-commerce companies and start-ups as an independent consultant and angel investor.

Investment focus

Financial Services, Banking, FinTech
Seed, Angel, Pre-Seed
Germany

Portfolio highlights

Montamo — Montamo trains lateral entrants with standardized methods. We rely on both our on-site academy and our digital learning software.
Graswald — Graswald engages in the creation of natural and digital 3D worlds for the entertainment industry.
Cello — Turn users into your most valuable growth channel. Cello is the easiest way to add a P2P referral program to any SaaS product in hours.

MARKUS W. VOIGT is a Chief Executive Officer (CEO) at Aream company.

Investment focus

CRM, iOS, Apps
Seed
Germany

Portfolio highlights

Otark GmbH — Otark GmbH specializes in digitalizing green energy trading and is setting new standards in the industry. With a clear focus on neutrality and transparency, Otark is making trading in renewable energy more accessible. The company offers a fully digitalized platform that seamlessly integrates procurement and billing processes. As a result, Otarkenables straightforward and efficient processing of green energy transactions for every company, from industrial groups to SMEs.Otark aims to accelerate the energy transition by making it easier for its customers to access green electricity and simplify the management of their energy contracts through state-of-the-art digital solutions. Otark stands for innovation, neutrality, and reliability.
Phonedeck — Phonedeck integrates mobile and video calling inside Salesforce. It is the first CTI solution for smartphones that makes it possible to remote control and track calls under the ‘real’ mobile number using regular carrier minutes. Phonedeck helps enterprises to manage and optimize business processes. The results are a large costs saving due tomobilizing sales teams and increasing the productivity.Phonedeck is Alcatel-Lucent and ISV Salesforce partner. In 2012 Phonedeck’s founder Prof. Dr.-Ing. Frank Fitzek was awarded with the Vodafone Innovation Prize. Alcatel-Lucent awarded Phonedeck during its Munich Hackathon in June 2014 as Innovative Leader in IMS. In January 2015 Phonedeck has won Disruptive Innovator 2015 award at Enterprise Mobility Management Forum.Phonedeck´s supporters are business angels, the IBB bank of Berlin and the venture capital fund Atlantic Internet.

Alexandre Berriche is currently the CEO of Fleet, a startup which simplifies the access, management and a sustainable renewal of computers for start ups, scale ups and SMB, helping you focus on your growth.He is also an angel investor (companies include Kocomo, Claap, Finary, Convelio and more) and scout for Sequoia Capital.Before launchingFleet he was VP of Operations and Expansion at Ironhack and Managing Director of Jumia Tunisia, a Rocket Internet’s company.Alexandre is trilingual and holds degrees from IESEG, le Wagon and Victoria University.

Investment focus

Software, Artificial Intelligence, Internet
Seed, Pre-Seed, Series A
France, Germany, United States

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.

Tim Bode

Investment focus

CleanTech, Marketplace, Clean Energy
Seed
Germany

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.

Moritz areas of responsibility involve strategic consulting to portfolio companies in particular when related to BI and IT structural topics as well as deal flow management. He is a constant sparring partner to CTOs of the portfolio companies providing guidance in IT processes. He supports companies in HR efforts by filling the pipeline andinterviewing candidates.Moritz is a former CTO of a nightlife and community platform in Germany.

Investment focus

Software, CMS, Content Creators
Seed, Angel, Pre-Seed
Germany, Sweden, United States

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 Headless CMS powering mission-critical applications. Streamline content workflows, iterate faster 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.

Christoph Ostermann is a Co-Founder at Sonnen.

Investment focus

Energy Storage, Renewable Energy, Energy
Series A, Seed, Series B
Germany, Austria

Portfolio highlights

Numbat — Numbat is a clean-tech company from Kempten (Allgäu). The competence lies in the development and production, as well as the operation of High-Power charging solutions with integrated battery storage system. The goal is to establish Europe's densest High-Power charging infrastructure to support e-mobility and its challenges. The battery storagereduces electricity costs and eases the burden on grids, while the integrated fast charging station allows customers/visitors/employees to fully charge their electric vehicles within 15 minutes. Depending on the location, the Numbats can be provided free of charge in a platform model. With its patented climate protection technology and multi-lifecycle approach, the Numbat is the most sustainable solutions on the market.
ESFORIN SE — ESFORIN SE is a fully digital energy company, offering modularly integrable energy solutions – for both, power and gas.
Efficient Energy Technology — Efficient Energy Technology makes renewable energy simple, safe, and dependable for everyone. Efficient Energy Technology develops a small power plant consisting of photovoltaic and storage for complete self-installation.

Tim Schumacher is a Managing General Partner at World Fund. Tim previously worked at Sedo.com as a Member Board Of Directors. He attended University of Cologne and Stockholm School of Economics.Tim Schumacher Co-Founded and was the longtime CEO of the publicly traded company Sedo AG, which currently has revenues of 130m euros per year andmaintains approximately 350 employees. Since 2012 he has dedicated his professional career to the German startup scene, acting both as a business angel and mentor for young companies with economic potential. His current startups, among many others, are Eyeo/Adblock Plus, Aklamio, Hitfox and Ecosia.

Investment focus

Apps, Information Technology, SaaS
Seed, Series A, Pre-Seed
Germany, Sweden, United States

Portfolio highlights

JUMiNGO — Jumingo is an international digital shipping and carrier service provider. It is an innovative startup that has made the logistics industry clear and transparent for customers through a digital shipping platform. They facilitate both business and private customers to compare prices, packaging, and booking services from numerous shipping serviceproviders such as UPS, DHL Express, TNT, FedEx, GLS, and DPD with up to 80% discounted rates. Jumingo saves time and money with benefit from the dynamics and flexibility of their comprehensive range of services without any contractual obligations.
CareerOS — Gain a competitive edge with our innovative tools, virtual career collaboration, real-time data, and AI enhancements. Guide students each step of the way!
Meine Erde — Meine Erde is a provider of ecological burial option in Europe.

In 2012 Anna together with her co-founder Julia launched OUTFITTERY with the vision to create a shopping experience for men that is convenient, fun and inspiring. Today, OUTFITTERY serves individual outfits to over 600k men in eight countries and Anna is one of the most famous female entrepreneurs in Europe. In 2016, she was voted amongst Europe’s“Inspiring Fifty”, the 50 most inspirational women in tech. Prior to OUTFITTERY Anna lead the IT of the Swiss group buying platform DeinDeal in Zurich. She studied economic sociology in Freiburg and Paris.

Investment focus

Software, CleanTech, Information Technology
Pre-Seed, Seed
Germany, France

Portfolio highlights

finres — Finres empowers decision-making for climate resilience, leveraging machine learning to enhance agricultural sustainability and adaptation strategies.
kolum.earth — EU companies importing cement, iron and steel, aluminium, fertilisers, electricity or hydrogen from non-EU countries can use the kolum.earth software solution to create their Carbon Boder Adjustment Mechanism (CBAM) reporting, measure carbon emissions attached to their imports, and communicate with their non-EU suppliers to become fully CBAM-compliant.
forward earth — Next-Gen carbon management for a sustainable future. AI-driven, automated, compliant, fast, and secure. Be prepared for requirements of CSRD, SFRD, EU-Taxonomy, and kick-start your carbon reduction and abatement program. White-label options for partners.

Tobias Schuett is the CEO at DZ-4.

Investment focus

Software, CleanTech, Clean Energy
Pre-Seed
Germany

Portfolio highlights

trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.
AXO — AXO Track upgrades rail assets with retrofit predictive maintenance systems to reduce costs, increase safety, and boost productivity.
Vamo — Vamo specializes in heat pumps and provides proficient guidance and planning, as well as rapid and easy installation.

Maximilian Both is the Founder and Managing Director at Rabot Charge. Maximilian Both attended Tu Vienna.

Investment focus

Software, CleanTech, Clean Energy
Pre-Seed
Germany

Portfolio highlights

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

CEO

Investment focus

Software, CleanTech, Clean Energy
Pre-Seed
Germany

Portfolio highlights

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

Julian Teicke is the Founder and Partner of The Delta. He previously worked at wefox as a Founder and CEO. Julian Teicke attended the University of St.Gallen.

Investment focus

Software, Insurance, InsurTech
Pre-Seed, Angel, Seed
Germany, France

Portfolio highlights

CNDO — Touch Grass. Together.
NUMOS — NUMOS is an insurance tech platform.
dao — We use modern technology to revolutionize residential property management

Ron Hillmann is a Co-Founder, Investor, and Principal C-Level at allmyhomes. Ron previously worked at Peak Ace AG as a Board Member. He attended Technische Universität Berlin, the Universität der Künste Berlin, and Freie Universität Berlin.

Investment focus

Internet, E-Commerce, SaaS
Seed, Angel, Pre-Seed
Germany, Nigeria

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

Matthias Ernst is a Managing Partner at ARRtist. He previously worked at XLETIX and attended IESE Business School.

Investment focus

CleanTech, Software, Clean Energy
Pre-Seed
Germany

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.

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