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Grattan Investment Group

Grattan Investment Group is a Dublin-based collective of experienced business founders and CEOs who invest in both mature and early-stage businesses across various sectors, including manufacturing and renewable energy.

Founded
2025
Recorded stages
Friends Family, Angel, Accelerator, Pre Seed, Seed, Seed Plus, Series A, Series A Plus, Series B, Series B Plus, Series C, Series C Plus, Series D, Series E, Series F, Growth Equity
Focus sectors
Renewable Energy
Recorded regions
Europe, North America

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Overview

Grattan Investment Group (GIG) is a founder-led investment group based in Dublin, Ireland, founded in 2025. The organization consists of experienced business founders and CEOs who invest equity in mature and growth businesses. GIG focuses on leveraging collective expertise, operational experience, and networks to support long-term growth in the companies they invest in. GIG emphasizes active involvement in the businesses it invests in, often taking board seats and collaborating closely with management. The group does not adhere to a fixed exit timeframe and does not rely on financial institutions, allowing for flexibility in investment structures.

Focus

GIG invests in both mature and early-stage businesses, typically acquiring majority positions while allowing sellers to retain a meaningful shareholding. The organization operates across various sectors, including manufacturing, construction, renewable energy, and IT. GIG emphasizes active involvement in the businesses it invests in, often taking board seats and collaborating closely with management.

Support

GIG adds value to its portfolio companies through active mentorship, product development guidance, and support in achieving market fit and scaling operations. The group's members often take board seats, ensuring close collaboration with management teams.

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