Top 5 Sustainability Startup Investors in Cayman Islands in September 2025

Last updated: Sep 2025 A list of 5 angel investors and VC (Venture Capital) funds that invest in Sustainability startups based in Cayman islands. We rank investors based on the number of investments they made in Sustainability companies from Cayman islands. We update this investor list every month.

Top 5 Sustainability Startup Investors in Cayman Islands in September 2025

Investor	Sustainability Cayman Islands investments
Sunna Ventures	1
Luxor Technology	1
FJ Labs	1
Pampa Energia	1
NYDIG	1

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Investor list

Sunna Ventures is a climate tech focused venture capital firm.

Investment focus

CleanTech, Clean Energy, Energy Efficiency
Seed
Cayman Islands

Portfolio highlights

Magnefy — Optimize your transformer monitoring with our innovative predictive maintenance solutions using AI & advanced magnetic sensor technology.
Unblock — Unblock is a climate technology company that offers a solution to mitigate emissions.

The Bitcoin Mining Pool built to maximize your Hashrate. North America's leading FPPS Mining pool, and crypto mining pool services.

Investment focus

Energy, Renewable Energy, Mining
Series A, Seed
United States

Portfolio highlights

Bima Labs — Bima Labs provides Bitcoin-backed stable coins.
Unblock — Unblock is a climate technology company that offers a solution to mitigate emissions.
360 Mining, Inc. — Natural Gas Offtake Reimagined

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

Heave — The Heave App is revolutionizing heavy equipment service. We connect businesses with on-demand diesel mechanics for fast, reliable repairs and maintenance. Our nationwide network of qualified contractors ensures your equipment stays up and running, minimizing downtime and maximizing productivity.
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.
Garage — Garage is the trusted marketplace for buying and selling emergency vehicles, equipment, and more.

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.

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.