# Top 40 Sustainability Startup Investors in Ireland in June 2026

| Investor | Relevant Deals | Geography | Stage | Focus |
| --- | --- | --- | --- | --- |
| Enterprise Ireland | 7 | Ireland, United States, United Kingdom | Seed, Series A | Software, Health Care, Information Technology |
| Kernel Capital | 4 | Ireland, United Kingdom, France | Seed, Series A | Software, Information Technology, Health Care |
| NDRC | 3 | Ireland, United States, United Kingdom | Seed, Pre-Seed, Convertible Note | Software, Information Technology, E-Commerce |
| SOSV | 3 | United States, India, United Kingdom | Seed, Convertible Note, Pre-Seed | Biotechnology, Health Care, Software |
| HBAN | 2 | Ireland, United Kingdom, United States | Seed, Series A | Health Care, Software, Medical Device |
| AIB Seed Capital Fund | 2 | Ireland, United States, Jersey | Seed, Series A | Software, Health Care, Medical |
| Cedas Foundation | 1 | Ireland, United States | Seed | Biotechnology, Organic, Biopharma |
| Maurice O’ Gorman | 1 | Ireland | Seed | Energy, CleanTech, Clean Energy |
| Volnay | 1 | Ireland |  | Renewable Energy |
| Lacerta Partners | 1 | Ireland | Series A | CleanTech, Industrial, Environmental Engineering |
| Barry Downes | 1 | Ireland, United Kingdom | Seed, Series A, Series B | Software, Artificial Intelligence, Information Technology |
| Business Growth Fund | 1 | United Kingdom, Ireland, United States | Series A, Private Equity | Software, Information Technology, Health Care |
| McWin Partners | 1 | United States, France, Ireland | Seed, Series A, Series B | Biotechnology, Food and Beverage, Robotics |
| Development Capital | 1 | Ireland, United States, United Kingdom | Seed, Private Equity | Manufacturing, Telecommunications, VoIP |
| Climate-KIC | 1 | Italy, Germany, Switzerland | Seed, Grant, Pre-Seed | Software, CleanTech, Sustainability |
| Octopus Energy generation | 1 | Norway, Germany, Ireland | Series A, Seed, Debt Financing | Renewable Energy, Apps, Solar |
| Ocean 14 Capital | 1 | Chile, India, Brazil | Series B, Seed | Aquaculture, Recycling, Sustainability |
| Barclays Investment Bank | 1 | United States, United Kingdom, Ireland | Debt Financing, Post-IPO Debt | Financial Services, FinTech, Finance |
| Atlantic Bridge University Fund | 1 | Ireland, United States | Seed, Series A | Medical Device, Health Care, Big Data |
| Western Development Commission | 1 | Ireland, United States | Seed, Series A | Health Care, Medical Device, Biotechnology |
| Capsa Vida | 1 | Spain, Ireland | Pre-Seed, Equity Crowdfunding | Agriculture, Organic Food, Food and Beverage |
| Sure Valley Ventures | 1 | United Kingdom, Ireland | Seed, Pre-Seed | Software, Artificial Intelligence, Information Technology |
| Peter Murphy | 1 | Ireland, United Kingdom | Seed | Battery, Automotive, Wind Energy |
| Danu Partners | 1 | Ireland |  | Water, Internet of Things, Water Purification |
| Octopus Renewables Infrastructure Trust | 1 | Ireland | Corporate Round | Renewable Energy, Environmental Engineering |
| Ireland Strategic Investment Fund | 1 | Ireland, United States, Israel | Series C, Series D | Software, Analytics, Biotechnology |
| Valentin de Torres-Solanot del Pino | 1 | Ireland, United Kingdom | Seed, Pre-Seed | Mining, Aerospace, Wind Energy |
| Zach | 1 | Ireland | Seed | Wind Energy, Renewable Energy |
| Keiretsu Forum Northwest | 1 | United States, Spain, Canada | Series A, Seed | Health Care, Software, Biotechnology |
| Focus Capital Partners | 1 | Ireland, United Kingdom | Seed | Software, Solar, Water |
| Bank of Ireland Seed and Early Stage Equity fund | 1 | Ireland | Seed, Series A | Software, Photography, Solar |
| Business Venture Partners | 1 | Ireland, Luxembourg, The Netherlands | Seed, Series A | Health Care, Information Technology, Medical |
| Mercuria | 1 | United States, Japan, Malta | Series A, Series C | Energy, Renewable Energy, Electronics |
| Atlantic Bridge | 1 | United States, Ireland, United Kingdom | Series A, Series B | Software, Artificial Intelligence, Analytics |
| Gokhan Guner | 1 | Spain, Ireland, France | Seed, Pre-Seed | Health Care, Advanced Materials, Artificial Intelligence |
| Henry Bolger | 1 | Ireland |  | Water, Internet of Things, Water Purification |
| The Yield Lab Europe | 1 | Ireland, France, United Kingdom | Seed, Series A | AgTech, Agriculture, Biotechnology |
| Enterprise Equity | 1 | Ireland, United States, United Kingdom | Seed, Series B | Software, Information Technology, Health Care |
| Irrus Investments | 1 | Ireland, Sweden, United States | Seed, Series A | Health Care, Medical Device, Biotechnology |
| AIB | 1 | Ireland, United Kingdom | Debt Financing, Convertible Note | Men's, Energy, Wellness |