Top 10 CleanTech Angel Investors in Sweden (October 2026)

Portfolio highlights

• ClimateView — ClimateView is a Swedish climate action technology company that helps cities transform climate planning into progress. We combine data, agent-based modelling and interface design to help cities successfully manage the transition to zero carbon economies.
• Mojo — Clinical-grade, AI-powered sperm analysis from the comfort of home. Test your sperm count, motility, morphology and much more with the Mojo kit. Check your fertility from home at low cost - without the need for clinic visits and awkward waiting rooms.
• Volta Greentech — Discover innovative solutions to reduce agricultural emissions with Volta Greentech's science-driven feed additives, promoting sustainable farming and planetary health.

Portfolio highlights

• Caplyzer — The world's first supercapacitive electrolyzer, membrane-free and built for renewable power.

Portfolio highlights

• Anyone — Anyone makes getting and giving advice easy through five-minute voice calls. Reserve your handle in the phone book of the future.
• Grönska — Grönska is a young, Swedish tech-company that develops technology for vertical farming, and grows and sells vegetables and herbs. Vertical farming that is based on the use of LED lighting and hydroponic watering systems. This method allows us to grow food indoors, locally and all year round. The reason we do this is to offer a sustainable, locallygrown alternative to imported food and to enable more self-sufficient cities.Grönska was founded in 2014 and constructed the largest vertical farm in the Nordics in 2018.
• ClimateView — ClimateView is a Swedish climate action technology company that helps cities transform climate planning into progress. We combine data, agent-based modelling and interface design to help cities successfully manage the transition to zero carbon economies.

Portfolio highlights

• XIMANTIS — Ximantis aims for Smart/Green and Integrated transport by demonstrating a revolutionary road traffic prediction method based on collecting and analyzing “big data” in order to greatly reduce CO2 emissions, decrease overall congestion impact and optimize navigation - the equivalent of a weather forecast for traffic flow and congestion! Inaddition, Ximantis innovates on advanced vehicle software systems for Connected Cars and Autonomous Navigation through their deep learning Stochastic Re-construction Module, offering safe reaction and anticipation to eminent risk.

Portfolio highlights

• Hydro Diagnostics — Hydro Diagnostics is an innovative biotechnology company dedicated to improving water safety through rapid bacterial detection and point-of-use filtration systems. The company bridges the gap between laboratory testing and field operations by delivering fast, on-site diagnostics driven by modern technology

Portfolio highlights

• Staris — Staris is an AI-powered application security platform that continuously finds, proves, and explains exploitable vulnerabilities. Reduce false positives and validate real application risk with business context.
• Zero — Protect your devices and gain access to websites. Round-the-clock customer support. VPN for Windows, Android, macOS, iOS, and routers. Free trial period.
• Mirai — Mirai Labs builds uzu, a Rust LLM engine for iPhone, iPad and Mac, and 4-bit/8-bit Qwen, LFM and Muse-Glimmer models benchmarked vs MLX and llama.cpp.

Portfolio highlights

• Done — Done is the operating system for green energy installations - EV Chargers, Battery storage and Heat pumps. We enable energy companies, OEMs, and retailers to own the installed outcome - from checkout to completed installation.Today, selling hardware is easy. Installation is the bottleneck. Once a product is sold, companies lose visibility,control, and ultimately the customer experience.Done replaces fragmented workflows, manual coordination, and disconnected installer networks with a single orchestration layer.Through our platform, resellers can: - Manage installer networks at scale - Standardize quality and timelines - Gain full visibility from sale to installation - Increase conversion and customer satisfactionDone is the infrastructure layer that makes installations scalable.With 20k+ installations completed, a 4.8/5 rating, and profitable operations, Done is already powering installation programs for leading energy and hardware brands across Europe.We are building the backbone for physical electrification - and expanding globally.

Portfolio highlights

• Fernish — Fernish is a furniture rental startup company that offers provides furniture as a subscription model to consumers living a mobile lifestyle.The company seeks to redefine the way the market sees furniture rental by positioning itself as a lifestyle brand. It offers a rent to own program that allows subscribers to apply their previous paymentstowards the cost of the piece or pieces they want to buy at the end of their subscription. Users are allowed to subscribe to an entire room or specific pieces and can even swap out things they don’t like or simply want to change up at any point.Founders Michael Barlow and Lucas Dickey launched the company in Los Angeles, California in 2017.
• ClimateView — ClimateView is a Swedish climate action technology company that helps cities transform climate planning into progress. We combine data, agent-based modelling and interface design to help cities successfully manage the transition to zero carbon economies.

Portfolio highlights

• Klarna — Einkaufen, was du willst. Bezahlen, wie du willst. Klarna bietet dir verschiedene Zahlungsarten an. Du entscheidest, welche am besten zu dir passt.
• ClimateView — ClimateView is a Swedish climate action technology company that helps cities transform climate planning into progress. We combine data, agent-based modelling and interface design to help cities successfully manage the transition to zero carbon economies.
• Stitch — One API integration for enterprise online payments across South Africa. Accept Pay by bank, debit + credit card, cash, manual EFT, debit order and crypto.

Portfolio highlights

• Done — Done is the operating system for green energy installations - EV Chargers, Battery storage and Heat pumps. We enable energy companies, OEMs, and retailers to own the installed outcome - from checkout to completed installation.Today, selling hardware is easy. Installation is the bottleneck. Once a product is sold, companies lose visibility,control, and ultimately the customer experience.Done replaces fragmented workflows, manual coordination, and disconnected installer networks with a single orchestration layer.Through our platform, resellers can: - Manage installer networks at scale - Standardize quality and timelines - Gain full visibility from sale to installation - Increase conversion and customer satisfactionDone is the infrastructure layer that makes installations scalable.With 20k+ installations completed, a 4.8/5 rating, and profitable operations, Done is already powering installation programs for leading energy and hardware brands across Europe.We are building the backbone for physical electrification - and expanding globally.