Top 10 Renewable Energy Startup Investors in Estonia (July 2026)

Portfolio highlights

• Esgrid — Esgrid provides value-chain sustainability management solutions to medium-sized businesses and financial institutions.
• Ligence — AI Automated Echocardiography - Artificial intelligence-powered automated heart ultrasound echo lab system.
• Soldera — Soldera enables renewable energy producers to earn additional income through an automatic guarantee of the origin trading system.

Portfolio highlights

• Stargate Hydrogen — Stargate Hydrogen is a European deep-tech company focused on advancing the production of green hydrogen with novel Stacks and turn-key Alkaline Electrolysers.

Portfolio highlights

• NobodyWho — NobodyWho is an inference engine that lets you run LLMs locally on any device
• FION Energy — FION Energy GmbH is a Berlin-based company at the forefront of the clean energy transition, specializing in advanced energy storage and management solutions for industrial businesses. Their technology helps companies optimize energy use, reduce costs, enhance grid stability, and accelerate decarbonization by providing economically viable storagesystems tailored to each customer's needs. FION supports grid operators by enabling efficient orchestration of energy consumption and generation, contributing to a more stable and sustainable energy future. They offer personalized consulting, rapid installation, and continuous optimization of energy storage performance to maximize cost savings and flexibility.
• Bubble Robotics — Bubble Robotics, a company focused on building advanced underwater robots. Their mission is to create autonomous ocean robotics for scalable subsea data collection to improve offshore efficiency and marine resource stewardship. By combining advanced resident robotics, seamless autonomy, and AI-powered analytics, they aim to revolutionize oceanexploration and operations, making the oceans safer, smarter, and more sustainable.

Portfolio highlights

• KWOTA — Kwota offers digital validation and trading services for recycled material CO₂ emissions.
• PayQin — Vous allez aimer payer en ligne
• Detail — Record and edit videos with Detail for iOS and macOS. Everything you need to create videos and podcasts, fast. Download for free on the App Store.

Portfolio highlights

• vyzn — Vyzn is a construction planning software focused on life cycle assessment to help projects reduce CO2 emissions and grey (embodied) energy. It targets teams that want to plan construction projects efficiently while meeting sustainability goals.
• Acembee — Acembee is an AI-driven platform designed to automate the tracking, data collection, and reporting of LCA A4+A5 (Life Cycle Assessment phases related to construction site energy use and transport) for construction projects. provides solution that consolidates data from the building site into one platform, enabling precise, real-time insights intoenergy consumption, CO₂ emissions, and compliance with legal environmental requirements. Acembee saves significant time, reduces unnecessary energy use by up to 40%, and helps projects stay within allowed CO₂ limits, ultimately making sustainability management on construction sites.
• Jälle Technologies — Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources.

Portfolio highlights

• Eurora — Eurora develops an e-commerce suite of customs compliance tools.
• FanSifter — FanSifter is a fan data management platform that leverages machine learning to help rights holders in music, entertainment, and sports increase tickets, music, merch, experiences, and sponsorships sales.
• RecruitLab — Teamdash's built-in recruitment, applicant tracking, and marketing features give you the focus you need to achieve the impossible. Here's how.

Portfolio highlights

• FanSifter — FanSifter is a fan data management platform that leverages machine learning to help rights holders in music, entertainment, and sports increase tickets, music, merch, experiences, and sponsorships sales.
• Jälle Technologies — Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources.

Portfolio highlights

• Bioreactor — Bioreactor is a revolutionary technology that converts bio waste into clean energy through biomass gasification. It's a sustainable, efficient and cost-effective solution that addresses energy poverty, energy security and climate change. With the use of the latest technology in computational fluid dynamics, cloud-optimized digital twin anddeep learning algorithms, the Bioreactor can optimize its performance in real-time over a wide range of fuels and operating conditions. The Bioreactor is a game changer in the energy industry, it can reduce greenhouse gas emissions, drastically lower energy costs, and help to alleviate energy poverty on a national scale.
• Safegrid — Smarter sensors for a smarter grid
• Vensum Power — Revolutionizing power conversion. More power in same package, less energy waste and low maintenance.

Portfolio highlights

• KWOTA — Kwota offers digital validation and trading services for recycled material CO₂ emissions.
• Esgrid — Esgrid provides value-chain sustainability management solutions to medium-sized businesses and financial institutions.

Portfolio highlights

• Pie — Pie is an AI technology company that provides an agentic growth platform for small businesses. Its platform automates local marketing by managing business visibility across Google Maps, Yelp, Nextdoor, and AI search platforms such as ChatGPT and Gemini. Pie also uses AI to optimize marketing performance in real time and handle customer phone calls,enabling business owners to focus on daily operations.
• Reachify — Reachify empowers restaurants to connect with their customers easily with Call Deflection to capture otherwise lost revenue.
• The Beans — The Beans offers a software application platform that creates personalized cash flow plans designed for its users. The Beans is Simplifying the path to financial balance through design and technology so that people can focus on what they love.