Top 5 Clean Energy Startup Investors in Ireland in September 2025

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

Top 5 Clean Energy Startup Investors in Ireland in September 2025

Investor	Clean Energy Ireland investments
Enterprise Ireland	2
Irrus Investments	1
Western Development Commission	1
Maurice O’ Gorman	1
Kernel Capital	1

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Investor list

Enterprise Ireland is the government agency responsible for the development and funding of the indigenous business sector. Their mission is to accelerate the development of companies to achieve strong positions in global markets resulting in increased national and regional prosperity. It was founded in 1998 and headquartered in Dublin, Ireland.

Investment focus

Software, Health Care, Information Technology
Seed, Funding Round, Series A
Ireland, United States, United Kingdom

Portfolio highlights

Axe — Axe provides modern logistics solutions for businesses of all sizes. Streamline your logistics process with our innovative platform.
Assiduous — The AI-enabled platform to do the heavy-lifting for business owners seeking finance for their aspiring growth company.
Galway Biomedical — Galway Biomedical is your trusted Original Design Manufacturing (ODM) partner for biomaterial based medical devices & implant products.

Irrus Investments is the leading Irish business angel network with international connections. Fueling Irish innovation in medical devices, software, hardware, digital healthcare and life sciences.

Investment focus

Medical Device, Biotechnology, Health Care
Seed, Funding Round, Series A
Ireland, Sweden, United States

Portfolio highlights

Ovagen — Ovagen is a biotechnology company that has developed the process of producing germ free (GF) chicken eggs and GF birds in commercial quantities for use primarily in the pharmaceutical industry. Ovagen can also provide a Contract Research Service and has extensive expertise in SPF poultry & rodent housing & husbandry, in specific poultry& rodent research technologies to GMP standards and in avian transgenics.
CroíValve — CroíValve is a developed a safe, effective, easy to use, percutaneous solution for treating all patients with severe Tricuspid Regurgitation
SymPhysis Medical — SymPhysis Medical's goal is to develop innovative technologies that treat a range of chronic diseases, putting the patient experience at the forefront of our design solutions to improve quality of life.About SymPhysis MedicalSymPhysis Medical's emergent technology, releaze, is a drainage technology to treat a common complication oflate-stage cancers, malignant pleural effusion (MPE). MPE causes signiﬁcant shortness of breath and chest pain in up to 15% of patients with cancer.

Supporting communities to grow, investing in businesses to scale and planning for the future of the western region.

Investment focus

Health Care, Medical Device, Biotechnology
Seed, Funding Round, Series A
Ireland, United States

Portfolio highlights

Ovagen — Ovagen is a biotechnology company that has developed the process of producing germ free (GF) chicken eggs and GF birds in commercial quantities for use primarily in the pharmaceutical industry. Ovagen can also provide a Contract Research Service and has extensive expertise in SPF poultry & rodent housing & husbandry, in specific poultry& rodent research technologies to GMP standards and in avian transgenics.
Peroptyx — Peroptyx is a platform that provides managed solutions for machine learning. At Peroptyx, they have assembled and pre-screened a qualified network of data evaluators across the globe. They strategically match ideal evaluators with each product to ensure authentic experiences through consistency and appropriate real-world contexts.
Galway Biomedical — Galway Biomedical is your trusted Original Design Manufacturing (ODM) partner for biomaterial based medical devices & implant products.

Maurice O’ Gorman

Investment focus

Energy, CleanTech, Clean Energy
Seed
Ireland

Portfolio highlights

Fincovi — We Are Your Complete Asset Health Technology Partner Purpose-built autonomous drones perform at record-setting inspection speed to minimize downtime while

Kernel Capital is the independent manager of The Bank of Ireland Kernel Capital Venture Funds, one of the largest and most active sources of equity finance on the island of Ireland. Kernel leverage their extensive network to enable their portfolio companies recruit the highest caliber people, to break into new international markets and to generaterevenues of scale. It is the only investment firm with venture capital Funds dedicated to both jurisdictions on the Island. Kernel have raised over €210M from investors which including their strategic partner Bank of Ireland, Invest NI, Enterprise Ireland, Galway University Foundation, The University of Limerick Foundation, The New York State Common Retirement Fund and undisclosed Family Offices. Consistently delivering strong financial returns for their investors Kernel have led more than 20 substantial trade sales to NASDAQ, NYSE, and LSE listed corporations.