Top 50 Clean Energy Angel Investors in Europe (August 2026)

Portfolio highlights

• Asepha — Asepha is an AI clinical decision support (CDS) tool to help healthcare professionals make faster clinical decisions.
• ORA Technologies — E-Commerce, Super App
• THIRUMALS PAPER ARIZONA PVT. LTD. — TRADING PLATFORM OF PULP , PAPER & PACKAGING

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• encentive — encentive provides modular building to grid and consumer VPP solutions as a service for existing systems and infrastructure. We are the expert for cost efficient, scalable and fully automated micro-flexibility services!

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• encosa — encosa helps commercial and industrial customers cut electricity costs with battery storage systems and software. It plans, finances, installs, and operates these systems as a complete service. The company also uses energy optimization and electricity trading to improve system returns.
• Urban Ray — Urban Ray makes goods accessible anytime for everyone.
• Vaeridion — Vaeridion offers green air mobility technology and services which helps electric microliners to fly with the low energy consumption.

Portfolio highlights

• Graswald AI — Graswald engages in the creation of natural and digital 3D worlds for the entertainment industry.
• Trade Machines FI GmbH — TradeMachines understands how difficult it is to trust in used machinery. They work with trustful industrial auctioneers and renowned machinery traders to ensure you receive the best connection between the two. Industrial auctions are a popular possibility to find great bargains when it comes to used machinery. In these industrial auctionspotential buyers find used equipment of companies who became insolvent or who decided to get rid of a selection of their machines. But industrial auctions are not the only way how to find the right used machines for cheap prices. Machinery traders list their offers on TradeMachines as well. As a result of the extensive offer of used machines, it is much easier and less time consuming to the find right offer.
• DEALCIRCLE — DealCircle is a digital M&A solution and partner of hundreds of M&A advisors. We support in identifying buyers and addressing the market. This provides investors access to a comprehensive deal flow of relevant projects.

Portfolio highlights

• Clim8 Invest — Clim8 Invest develops an app for sustainable investing so people can make an impact on climate change with their savings. Clim8 is a simple way to invest in a sustainable portfolio of carefully selected companies already making a positive impact on climate change.Clim8's mission is to move billions of pounds of investments into clean energyand truly green, sustainable companies.

Portfolio highlights

• Clim8 Invest — Clim8 Invest develops an app for sustainable investing so people can make an impact on climate change with their savings. Clim8 is a simple way to invest in a sustainable portfolio of carefully selected companies already making a positive impact on climate change.Clim8's mission is to move billions of pounds of investments into clean energyand truly green, sustainable companies.

Portfolio highlights

• Itineris — Our cloud-based solution is built on the Microsoft Dynamics 365 platform and is specifically designed to meet the needs of Utility businesses.

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• Amperecloud — With Amperecloud, you can monitor and manage your entire renewable energy portfolio in real-time, access new revenue streams through peer-to-peer trading and grid services, and reduce your carbon footprint and operational costs. Amperecloud is the operating system for renewables, empowering you to harness the power of clean energy with ease andconfidence.

Portfolio highlights

• GetAlert — GetAlert IoT smart Analytics enables camera sensors with intelligence to understand the world as humans do. GetAlert products are based on 3D human biometric & Gait analysis proprietary technology using any 2D sensor.
• Lumo Bodytech — Feel Peak is an online resource aimed at helping you to feel at your peak - both physically and mentally. Browse our reviews and guides to reach your potential.
• Eksagon Group Ltd — At Eksagon, we provide travelling exhibitions that inspire learning in a dynamic, engaging and entertaining manner; for children and adults alike.

Portfolio highlights

• 3E Group —
• Relectrify — Unlocking extra lifetime and performance of batteries via advanced battery management (BMS) technology.
• Gridcog — Gridcog provides holistic software to plan, track, and optimize your transition to a decentralized and decarbonized energy future.

Portfolio highlights

• Gridcog — Gridcog provides holistic software to plan, track, and optimize your transition to a decentralized and decarbonized energy future.

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• CodeWords — CodeWords is a technology startup working on AI systems for workflow automation. Their platform CodeWords lets anyone create automations and AI workflows by chatting with AI. Agemo's technology is designed to build code-based workflows and systems that can autonomously reason through software.
• fonio.ai — Founded in Vienna in 2024, fonio.ai provides AI-powered phone assistants that automate customer communication 24/7. The platform answers calls, forwards inquiries, books appointments, and integrates with CRM and ERP systems, while every interaction is transcribed and can be stored, shared, or connected to existing tools.
• Clarifeye — Work happens before it's written down. Clarifeye captures what your people know, by using AI to interview them before it's lost.

Portfolio highlights

• Runna — Runna is your personalized running coach. With tailored training plans, world-class coaching and an in-app community to help you achieve your goals, whether you're training for a faster 5k or your first marathon. Download Runna today.
• Clim8 Invest — Clim8 Invest develops an app for sustainable investing so people can make an impact on climate change with their savings. Clim8 is a simple way to invest in a sustainable portfolio of carefully selected companies already making a positive impact on climate change.Clim8's mission is to move billions of pounds of investments into clean energyand truly green, sustainable companies.

Portfolio highlights

• Clim8 Invest — Clim8 Invest develops an app for sustainable investing so people can make an impact on climate change with their savings. Clim8 is a simple way to invest in a sustainable portfolio of carefully selected companies already making a positive impact on climate change.Clim8's mission is to move billions of pounds of investments into clean energyand truly green, sustainable companies.

Portfolio highlights

• AXO — AXO Track upgrades rail assets with retrofit predictive maintenance systems to reduce costs, increase safety, and boost productivity.
• Co-Power — Energiekosten durch Batteriespeicher senken - ohne eigene Investition, operativen Aufwand oder Risiko.
• hellgrün — hellgrün is a green-tech company that operates PV systems and helps to build simple, smart, sustainable green energy.

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

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• UrbanChain — Consumers, prosumers, and generators are welcome to make their marketplace.

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• Amperecloud — With Amperecloud, you can monitor and manage your entire renewable energy portfolio in real-time, access new revenue streams through peer-to-peer trading and grid services, and reduce your carbon footprint and operational costs. Amperecloud is the operating system for renewables, empowering you to harness the power of clean energy with ease andconfidence.

Portfolio highlights

• Kodesage — Kodesage captures your company's collective knowledge to help understand and modernize legacy code
• BLOCKS — BLOCKS deploys an AI agent to monitor cloud usage patterns continuously. The agent identifies wasteful resource allocations and applies real-time optimizations autonomously. It differs from dashboards by taking direct action instead of just alerting users.
• Helical — The full power of DNA & (m)RNA Bio Foundation Models in one open-core platform. Accelerate Drug Discovery with AI.

Portfolio highlights

• Factored — Landlord finance funded within 24 hours, based on your rental income. No legal fees, no valuation fees, and a dedicated account manager. 90% approval.

Portfolio highlights

• Flatout Technologies — The "Internet of Things" starts at home! It is currently one of the fastest growing and hottest technological areas and many companies would love to enter it as soon as possible. We noticed that Telcos, Utilities & Retailers need a single point of contact that can provide them with a future-proof Smart Home solution. This is whereFlatout Technologies comes in, because we offer these companies an end to end solution based on our open, cloud based platform, called the FlatCloud. Our Smart Home as a Service offering encompasses our Operating System, Service & Support, Managed Hosting, a rebrandable user-friendly interface and consultancy in device management and the IoT Market. Last but not least, we believe that crowdsourcing will lead to success. Our platform has been built on web-based technology so our software works regardless of iOS or Android. Use Google Chrome, Safari, Firefox etc. to access the platform regardless of the device in your hands and make your home more energy efficient, secure and comfortable. By providing both a front-end API and a back-end API, the goal is to give developers the chance to program applications for the home and share them with the world.

Portfolio highlights

• UrbanChain — Consumers, prosumers, and generators are welcome to make their marketplace.

Portfolio highlights

• Charlie — Charlie is built by serial startup founders to solve their most pressing need – more time. Designed so that it’s easy to use and simple to manage, Charlie automates the administrative headaches of running a company so you can focus on building real value.
• Odin — Community and investment tools for people building the future.
• Clim8 Invest — Clim8 Invest develops an app for sustainable investing so people can make an impact on climate change with their savings. Clim8 is a simple way to invest in a sustainable portfolio of carefully selected companies already making a positive impact on climate change.Clim8's mission is to move billions of pounds of investments into clean energyand truly green, sustainable companies.

Portfolio highlights

• 5Mins — 5Mins is the new microlearning platform that helps your employees build in-demand skills fast with AI-powered personalisation and advanced gamification.
• Screenloop — Screenloop is the hiring intelligence platform that allows you to source candidates, analyse interviews, and automate the reference process.
• Clim8 Invest — Clim8 Invest develops an app for sustainable investing so people can make an impact on climate change with their savings. Clim8 is a simple way to invest in a sustainable portfolio of carefully selected companies already making a positive impact on climate change.Clim8's mission is to move billions of pounds of investments into clean energyand truly green, sustainable companies.

Portfolio highlights

• Clim8 Invest — Clim8 Invest develops an app for sustainable investing so people can make an impact on climate change with their savings. Clim8 is a simple way to invest in a sustainable portfolio of carefully selected companies already making a positive impact on climate change.Clim8's mission is to move billions of pounds of investments into clean energyand truly green, sustainable companies.

Portfolio highlights

• Glowee — Glowee is engaged in the development of biological light systems using the natural properties bioluminescent marine organisms. Requiring neither electricity nor installation infrastructure, these systems are built by encoding particular genes in symbiotic bacteria.
• WiSEED — Wiseed is a crowdfunding platform that enables its users to invest in SMEs and enterprises. The platform offers investments for startups, real-estate firms, social innovation and renewable energy projects, and agriculture firms. It was founded in 2008 by Nicolas Seres and Thomas Merquiol and is based in Toulouse.
• YMoney — YMoney develops digital payment solutions for people that enable them to make instant payments within their mobile phones. They offer card payment, account transfer, API collection, and wallet payment services, enabling clients to transfer money online through laptops, smartphones, or any other digital mode.

Portfolio highlights

• finres — finres is a science-based firm that uses artificial intelligence, big data, and research to increase food system resilience in the face of climate change by making investment decision-making robust and quick, as well as providing a comprehensive algorithmic solution for recognizing and assessing climate risks in order to prioritize adaptationefforts.
• 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.

Portfolio highlights

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

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• Patch App — Patch App UK intends to digitally transform the window cleaning business.

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• FellowMe — FellowMe is a social media platform that allows users to meet new people with a search experience, segmented by interests and location.
• Exnus Protocol — Exnus Protocol is a next-generation decentralized ecosystem built on the Solana blockchain.
• UrbanFarmers — UrbanFarmers is a platform that connects city dwellers with local urban farms and community gardens.

Portfolio highlights

• The Qube — The Qube is a space, resource and network designed specifically for creatives by creatives – a home for inspired creators to prosper. Members share access to 30 purpose-built studios across music, podcast, video & photography. The Qube's 16,000 SQFT flagship West London site opened February 2020.
• Arro — Discover the shared daily operating system that helps you get more from life and work. Get to Day Zero together.
• Wax Poetics — Wax Poetics is a music journalism platform and former print magazine dedicated to in-depth reporting about historical and contemporary genres.

Portfolio highlights

• Unitary — We detect harmful content with context-aware AI to keep brands and platforms safe online.
• Cordless — Bridging the gap between voice and text
• Fabric — Fabric is an AI-powered workspace and file manager for people and groups.Fabric is a self-organizing multiplayer workspace.

Portfolio highlights

• Feather — Feather gives you insurance advice for expats in Germany. Our digital insurance agent will help you get the right insurance policies for your need.
• Habito — We're the Treating Customers Fairly Champion of 2023 as voted for in the British Bank Awards. We're here to make mortgages easier - no paperwork, no stress and no fees.
• Entrepreneurs First — We turn exceptional individuals into funded founders. We back you first, then give you a bridge to Silicon Valley.

Portfolio highlights

• Dognosis — unleashing canine superpowers to democratize early cancer detection
• Fundably — Fundably - Get The Right UK Business Loan | Access £1k-£2m
• VIAN Therapeutics — VIAN Therapeutics is an early-stage biotechnology company focused on transforming retinal disease treatment. With a first-in-class, non-invasive eyedrop as its lead product, VIAN aims to replace invasive injections for conditions like age-related macular degeneration (AMD) and diabetic macular edema (DME). Backed by strong preclinical data andongoing clinical testing, VIAN is positioned to address significant unmet medical needs and disrupt the $15 billion retinal disease market.

Portfolio highlights

• Joe — Joe is an financial service that reimburses and allows ALL expenses to be paid in several installments.
• uptime.ac — Founded in 2016, uptime's predictive maintenance technology for elevators provides access to data that leads to fewer breakdowns, more uptime and less costs. Elevators with uptime’s artificial intelligence system benefit from real-time data to monitor safety, increase performance and modernise the outdated elevator experience, while theavailability of transparent information strengthens trust between building managers and elevator service providers. uptime’s brand-agnostic offering allows elevator service providers to grow their maintenance portfolios and improve retention rates thanks to fewer failures and more transparency, while residential and commercial buildings rely on uptime technology to enhance the safety and efficiency of their facilities. Today, uptime is used by more than 200 companies in Europe. uptime is headquartered in Paris and London, and plan to expand in multiple countries by 2023. The company is backed by major funds such as Serena Capital, KIMA Ventures and Acequia Capital.
• Urgence Docteurs — UrgenceDocteurs is a brand new application. A study shows that 20,000 to 30,000 doctors do not practice in France. Which does not help anyone else Everyone is constantly looking for doctors. Whatever the position of the practitioner: general practitioner, pediatrician, physiotherapist, nurse, osteopath or carer, allows all these professionals todevelop their activity with a minimum of constraints! UrgenceDocteurs has been thought to meet the needs of physicians, who, even with long years of study, do not have the opportunity to leverage their expertise. While medicine studies are very difficult, each year, nearly 25% of thesed doctors do not settle. that 20,000 to 30,000 doctors do not practice in France. Lack of social protection, high installation costs, unsuitable premises or the fear of the administrative are all arguments put forward to explain this observation.

Portfolio highlights

• Kroo — B-Social is a financial technology company that develops innovative services for a new generation of customers.It aims to make personal and social finances move at the speed of life. The fintech company builds an app that intuitively connects personal finances with their customers' social world, making it easy for them and their friends tobuy, track, and shares the experiences that bring them closer.Nazim Valimahomed and Tim Brown formed the company in 2016 in London, England.
• GuestReady — Premium Airbnb Management Service for your vacation rental. Maximise your revenues and become a Superhost with GuestReady's 5* property management service.
• Chip — Get the best savings rates brought to you and smash your savings goals automatically with Chip. Join over 400,000 savers today. We're building the best savings accounts in the world for you, with you.

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 — ePilot Mobility bringt die erste Blockchain basierte E-Carsharing Flotte auf Deutschlands Straßen.Die Blockchain ermöglicht eine Teilhabe der Kunden an den Elektrofahrzeugen. Das Einsetzen dieser Technologie bedeutet, dass Nutzer:innen die E-Autoflotte gemeinsam dezentral besitzen können.Die MissionUm die Klimaziele zu erreichen, müssenanhand neuer Mobilitätskonzepte die CO2-Emissionen pro Person reduziert werden. E-Carsharing für Privatleute, Firmen, Städte und Kommunen durch ePilot Mobility ist ein Teil der Gesamtlösung.

Portfolio highlights

• Yolda — Logistic operations still largely run on paper. It is almost impossible to track the vast majority of loads, receive delivery documents or measure how successful the operation is. Yolda.com is changing this with a strategic operating model that combines advanced tech and data analytics, logistics infrastructure, and hands-on supply chain expertise.Yolda.com combines the quality of cargo transportation with the diversity of haulier and the integrated service model of 3PL companies and offers a high-quality logistics experience by focusing on its customers. Yolda.com’s marketplace solution encompasses many local forwarders and logistics companies, enabling SMEs and corporate enterprises to receive an instant quote for multiple shipment requests on a single platform. Companies can also track their shipments via Yolda.com's intelligent control panel and measure their logistics operations performance with detailed reporting services.
• Donut — Donut helps people discover new ways to build wealth, by providing the easiest and most trusted way to save & earn high yield with DeFi. Donut was founded in 2018 and is dual headquartered in Los Angeles and Berlin.
• Clim8 Invest — Clim8 Invest develops an app for sustainable investing so people can make an impact on climate change with their savings. Clim8 is a simple way to invest in a sustainable portfolio of carefully selected companies already making a positive impact on climate change.Clim8's mission is to move billions of pounds of investments into clean energyand truly green, sustainable companies.

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.

Portfolio highlights

• Kenshō Health — Pharmacy Mall is a trusted online drugstore designed to make high-quality medications accessible and affordable for everyone.
• Wally Health — Unlimited dental cleanings and whitening for $199/year
• Growth Kitchen — Growth Kitchen provides a network of delivery-optimized kitchens coupled with food delivery solutions and support.

Portfolio highlights

• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.
• Hygraph — A GraphQL-native headless CMS that marketers and developers love. Structure content, scale with AI, and launch faster across every channel.
• Detectify — Detectify's external attack surface management tool - assess, prioritize, remediate continuously growing external attack surfaces.

Portfolio highlights

• Kaia Health — Kaia Health is a digital therapeutics company that creates evidence-based treatments for a range of disorders including back pain and COPD. Working with experts in various medical fields, the company uses machine learning to deliver individualized app interventions that aim to empower and motivate patients to take control and self-manage theircondition with digital alternatives from their home using devices they already own (i.e. smartphones and tablets).The company has enrolled more than 400,000 users to date in its digital therapy program. It was founded in 2016 and is headquartered in Brooklyn, New York.
• neoom — neoom is a software company that offers services clean and integrated decentralized energy solutions. It focuses on electrical and digital systems that create sustainable value. The company offers solutions in energy management, photovoltaics, power storage, charging stations, and a range of storage solutions.
• Pactum — Pactum autonomous negotiations help companies unlock hidden value. Our AI negotiates non-strategic supplier contracts on a massive scale.

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

• Xaver — Xaver enables Financial Institutions to close Europe’s pension gap. By offering an advanced AI-driven B2B platform for life insurance and private pension sales, Xaver enhances the operational and sales efficiency of banks, insurers, and brokers by up to 65% and introduces a new era of white-labeled private pension products.With a leadership teamof experienced industry veterans - Max Bachem, Ole Breulmann, and Dr. Björn Holste - and backing from leading VC funds and a prominent group of former financial institution executives, fintech pioneers, and unicorn founders, Xaver is dedicated to improving the pension situation of Europeans through their B2B offering.
• Agent F — The first ERP that adapts to your business and compounds with it. One system for finance, operations, and people.
• Melotech — We create art with technology for humans to enjoy. Within just one year, our work has been heard, seen and loved for more than 2 billion minutes in every corner of the planet.

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

• Sterecycle — GUCI77 menghadirkan link gacor main slot premium dengan permainan resmi, proses transaksi cepat, dan peluang menang lebih besar. Rasakan sensasi bermain yang bikin hari makin asyik setiap saat.

Portfolio highlights

• Clim8 Invest — Clim8 Invest develops an app for sustainable investing so people can make an impact on climate change with their savings. Clim8 is a simple way to invest in a sustainable portfolio of carefully selected companies already making a positive impact on climate change.Clim8's mission is to move billions of pounds of investments into clean energyand truly green, sustainable companies.

Portfolio highlights

• Clim8 Invest — Clim8 Invest develops an app for sustainable investing so people can make an impact on climate change with their savings. Clim8 is a simple way to invest in a sustainable portfolio of carefully selected companies already making a positive impact on climate change.Clim8's mission is to move billions of pounds of investments into clean energyand truly green, sustainable companies.

Portfolio highlights

• Everproof — Enabling organizations and individuals to monitor and verify qualifications, licenses and certifications through one online account.
• Gridcog — Gridcog provides holistic software to plan, track, and optimize your transition to a decentralized and decarbonized energy future.
• New Energy Transport — New Energy Transport is a trucking company that provides logistics and freight services.

Portfolio highlights

• Priam Cyber AI — Measure and improve your security operations with Priam AI.We are combining decades of experience in incident response, data science and machine learning.
• Nuada — MOF Technologies take innovative organisations from ideation to commercialisation using our proven MOF development expertise & patented technology.
• VMind AI — VMind is a frontier technology company building artificial general intelligence (AGI).