Top 5 Climate Startup Investors in Cayman Islands in May 2026

FJ Labs is a stage-agnostic investment firm that focuses on marketplaces and consumer facing startups.

Investment focus

Software, E-Commerce, Financial Services
Seed, Series A, Series B
United States, Brazil, United Kingdom

Portfolio highlights

VIVLA — We make exclusive second homes in top European locations accessible to everyone. Buy shares of your home without having to buy the whole property.
Fresha — Find the best salons and spa in your area with Fresha salon booking software. Book now!
1Buy.AI — Decision-grade AI driven intelligence for electronics procurement. Real-time market intelligence and risk analysis for the semiconductor industry.

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Sunna Ventures is a climate tech focused venture capital firm.

Investment focus

CleanTech, Clean Energy, Energy Efficiency
Seed
Cayman Islands

Portfolio highlights

Magnefy — Magnefy (previously known as Infinion) is a Stanford spin-out pioneering an edge AI-powered, high-frequency magnetic sensing platform for real-time predictive maintenance of critical power assets like transformers, switchgear, and generators. Our $500 non-invasive IoT solution captures 250× more low-noise, high-frequency data—accurately detectingfailures like partial discharge and higher harmonics weeks to months in advance, at one-tenth the cost of legacy systems. We help mission-critical facilities—data centers, IPPs, utilities, and manufacturers—avoid outages, boost reliability, and maximize power efficiency.
Unblock — Unblock is a climate technology company that offers a solution to mitigate emissions.

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Pampa Energia SA, (Pampa), is an Argentina-based company primarily engaged, through its subsidiaries, in the generation, transmission and distribution of electric power. Electric Generation division comprises the activities of Hidroelectrica Los Nihuiles SA (HINISA), Hidroelectrica Diamante SA (HIDISA), Central Termica Guemes SA (CTG), CentralTermica Loma de la Lata SA (CTLLL) and Central Piedra Buena SA (CPB); the Electric Transmission division, includes the activities of Compania de Transporte de Energia Electrica en Alta Tension Transener SA; as well as the Electric Distribution division, which its services are rendered by Empresa Distribuidora y Comercializadora Norte SA (Edenor).

Investment focus

CleanTech, Clean Energy, Energy Efficiency
Seed
Cayman Islands

Portfolio highlights

Unblock — Unblock is a climate technology company that offers a solution to mitigate emissions.

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NYDIG is a technology and financial services firm dedicated to Bitcoin for institutions, private clients, and banks. The firm offers asset management, derivatives, financing, custody, and execution services. NYDIG's platform satisfies the highest regulatory, audit, and governance standards.

Investment focus

Bitcoin, Blockchain, Cryptocurrency
Seed, Series A, Post-IPO Debt
United States, United Kingdom, Canada

Portfolio highlights

JAN3 — JAN3 provides technologies and solutions for individuals, enterprises, and nation-states to prepare for the future built on Bitcoin.
Unblock — Unblock is a climate technology company that offers a solution to mitigate emissions.
Unchained — Unchained is a bitcoin native financial services company offering collaborative custody multisignature vaults and loans for bitcoin holders.

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