Top 10 Renewable Energy Angel Investors in Spain (September 2026)

Portfolio highlights

• Vixiees — Turn your sales team into a structured system. Automate priorities, manage leads, and multiply your revenue with Vixiees.
• Hirevoice — Hirevoice is a voice AI recruiter that runs structured voice AI interviews with every candidate and gives your team defensible hiring signal. Book a demo.
• MOVEMENTS — Convert your cause into an unstoppable movement. MOVEMENTS offers petitions, community, content and subscriptions to drive change.

Portfolio highlights

• Nautit — Ecomerce Nautit is devoted exclusively to nautical, marine electronics and water sports. Their horizontal expansion is based on the introduction of new sections always related to the sea, its activities and its products. In Nautit find the best brands of marine electronics, a wide range in nautical accessories and equipment of all kinds of watersports like kite surfing, wakeboarding, water skiing, diving or fishing!They offer personalized service to ensure the satisfaction of their customers and how well trained and experienced staff in the industry to offer the best advice. From Nautit always try to offer the best price in their online catalog and the best deals and promotions in their newsletter, if you find a cheaper product, they take care to make the counter offer!
• Banktrack — Banktrack employs a banking API with read-only access that has been approved by the Bank of Spain. The organization use the most secure authentication provider available (Auth0.com).
• Solfy — Solfy is a Marketplace for self-consumption of solar energy.

Portfolio highlights

• Balio — Personal Finance Manager and Investing
• Rauda AI — Rauda is an artificial intelligence platform specialized in automating customer service with the best customer experience. Take a quantum leap in productivity, reduce costs and improve customer satisfaction with the power of generative artificial intelligence.
• Solfy — Solfy is a Marketplace for self-consumption of solar energy.

Portfolio highlights

• Regalamos — El marketplace de regalos gratuitos. Dale una segunda vida a tus cosas.
• Solfy — Solfy is a Marketplace for self-consumption of solar energy.
• Housfy — Housfy develops a digital platform designed to sell flats and houses between private individuals. The company's digital platform eliminates intermediation in the sale of houses, offering all the necessary tools for sellers and buyers to connect directly online, enabling home buyers and sellers to avoid traditional agencies and save brokeragefees.

Portfolio highlights

• Fundeen — Fundeen is a platform that allows individuals to invest in renewable energy projects.

Portfolio highlights

• Zonox — Zonox offers customized and adaptive energy-saving solutions to help customers reduce costs and contribute to environmental sustainability.

Portfolio highlights

• Gheorg — Around 1 million children in Australia have diagnosable anxiety. Two-thirds of them will never get the help they need. Gheorg is on a mission to change that. We're aiming to reduce childhood anxiety and our new app helps parents and children at home. Sign up to get the app on our website.
• XeroCodee — XeroCodee is a groundbreaking AI-powered SaaS application that revolutionizes cloud infrastructure development. Our platform simplifies the entire process, from building and managing cloud infrastructure to optimizing codebase and reducing costs. With our AI capabilities, businesses can optimize their cloud resources, identifying cost-savingopportunities and eliminating inefficiencies. Additionally, our AI algorithms optimize codebase for enhanced performance, scalability, and reliability. We take security seriously and provide automatic and continuous security scans to detect malware and vulnerabilities in the cloud infrastructure. XeroCodee empowers businesses to harness the full potential of the cloud while maximizing efficiency and minimizing costs. Join us and experience the power of AI-driven cloud infrastructure that delivers unparalleled performance, security, and cost savings.
• Invisible Hand — Unlock up to 40% profit uplift with the help of our realtime analytics, all in just a few clicks.

Portfolio highlights

• Robinsun — Robinsun's Plugin Solar Kits make you save on your energy bill instantly and help in the fight against climate change. Get your Plugin Solar Kit today and generate your own energy for self consumption.
• Altan — Altan is an AI-driven team that autonomously transforms ideas into fully-functional digital products using its innovative Collective AGI (CAGI) multi-agent framework. Altan handles end-to-end software development—from frontend to backend, including infrastructure, testing, and iteration—allowing users to focus solely on their vision.Founded withthe mission of empowering everyone with a superhuman AI team available 24/7, Altan uniquely combines frictionless infrastructure and a transparent, no-code interface for easy modification and control of AI-generated outputs.Altan primarily serves entrepreneurs, operational leaders, digital agencies, and freelancers, enabling rapid prototyping, launching, and scaling of digital solutions without traditional development teams. Headquartered in Barcelona, Altan emphasizes community engagement (#BuildInPublic), rapid innovation, and continuous improvement, supported by an attractive Employee Stock Option Pool (ESOP).Altan aims to redefine industry standards with benchmarks for end-to-end software creation and targets significant market milestones, including autonomous SaaS growth and substantial recurring revenue.
• Piper — Piper is a next-gen sales productivity and intelligence solution that puts AI to work for both sales reps and sales managers.Through its advanced interpretation of sales conversations from video calls, emails and audio notes, Piper automatically populates deal-related fields in the CRM, freeing up sales capacity and ensuring unbiased, highquality data.Piper further lightens the daily workload of salespeople by assisting through every stage of the client engagement: enhancing meeting prep, drafting follow-up emails, scheduling the next call, and more.For sales reps, Piper is a game-changer, letting them focus on selling without the admin drag. For sales directors and revenue ops, Piper provides top-notch data insights into the sales pipeline, enhancing sales forecasting and data-driven decision-making.

Portfolio highlights

• Amelia Hub — Inspect solar piles in 15 seconds with Hincator, verify tracker quality, auto-fill QA/QC reports and certify your project in just a few clicks.

Portfolio highlights

• Naturr — Nature, which seeks to connect small-scale artisanal food producers from rural areas with urban consumers. Nature platform could serve as an important bridge for promoting local and sustainable food systems, benefiting both rural producers and urban consumers i
• Amelia Hub — Inspect solar piles in 15 seconds with Hincator, verify tracker quality, auto-fill QA/QC reports and certify your project in just a few clicks.
• MOVEMENTS — Convert your cause into an unstoppable movement. MOVEMENTS offers petitions, community, content and subscriptions to drive change.