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Grattan Investment Group (GIG) is a founder-led venture capital firm based in Dublin, Ireland, established in 2025. The firm consists of experienced business founders and CEOs, focusing on equity investments in mature and growth businesses. GIG emphasizes long-term growth through collective expertise and operational experience.
Grattan Investment Group invests in both mature and early-stage businesses, typically acquiring majority positions while allowing sellers to retain a meaningful shareholding. Their investment strategy spans sectors such as manufacturing, construction, renewable energy, and IT. GIG is known for its active involvement, often taking board seats and collaborating closely with management teams.
Notable investments by Grattan Investment Group include SCG Growth Partners, a fintech business providing alternatives to Salesforce’s financial cloud; Packaging Holdings, a group of 11 sustainable packaging businesses co-founded by GIG members; and Acel Energy, a renewable energy company managing the entire lifecycle of renewable projects in Ireland.
Email your pitch deck to barry.obrien@grattaninvestments.com for consideration.
Yes, GIG typically acquires majority positions in the companies they invest in, often leading funding rounds.
GIG emphasizes flexibility in investment structures, which may include follow-on investments depending on the growth trajectory of portfolio companies.
Specific fund size details are not disclosed, but GIG focuses on significant equity investments in both mature and early-stage businesses.
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