Organization · Angel Group
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.
Overview
What Grattan Investment Group does
What Grattan Investment Group is
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.
How it participates in the startup ecosystem
The current public profile supports funder and community capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Angel Group
- Founded
- Founded in 2025
- Approximate age
- About 1 year
- Structured capabilities
- Funder · Community
- Last reviewed
- April 24, 2026
Official channels
Find Grattan Investment Group elsewhere
Open the official website or a supported primary organization account.
Capability profile
Grattan Investment Group as a funder
Investment thesis
Grattan Investment Group focuses on leveraging the collective expertise of its founder-led team to invest in both mature and early-stage businesses, emphasizing operational involvement and long-term growth.
Focus narrative
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.
Value beyond capital
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.
Focus and fit
- Stages
- Friends and Family · Angel · Accelerator · Pre-seed · Seed · Seed+ · Series A · Series A+ · Series B · Series B+ · Series C · Series C+ · Series D · Series E · Series F · Growth Equity
- Sectors
- Renewable Energy
- Regions
- EuropeNorth America
Availability
- Currently deploying
- Not published
Portfolio and track record
- Recorded portfolio count
- 3
Portfolio context
SCG Growth Partners: A fintech business in the Caribbean and Ireland that provides an alternative to Salesforce’s financial cloud solution for smaller companies. GIG members serve on the board, advising the management team. Packaging Holdings: Co-founded by GIG members in 2023, this group consists of 11 sustainable packaging businesses across Ireland and the UK, focusing on using paper-based or recyclable materials for its products. Acel Energy: A renewable energy company in Ireland that covers the entire lifecycle of renewable energy projects, with GIG members serving on the board to support growth and operations.
Capability profile
Grattan Investment Group as a community
Community overview
Grattan Investment Group (GIG) is a founder-led investment group based in Dublin, Ireland, established in 2025. The organization comprises 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.
Community 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.
Member value
Members of Grattan Investment Group benefit from a network of connected, like-minded entrepreneurs who share expertise, deal flow, and co-investment opportunities. The group provides mentorship, product development guidance, market fit support, and scaling assistance to its portfolio companies.
Membership
- Pricing models
- free
Format and cadence
- Modality
- in-person
- Schedule
- rolling-admissions
- Commitment
- light
Availability
- Membership state
- Accepting
Audience and fit
- Audience
- Founders · Investors
- Benefits
- mentorship and network-access
- Program types
- community
- Selection criteria
- open
- Stages
- Seed · Growth Equity
- Sectors
- Renewable Energy
- Regions
- Europe
Community activity
Notable members
Key members include Barry O'Brien, Paul McKenna, Eamon Farrell, and Gregory Rose, who are experienced entrepreneurs and investors in various sectors.
Common questions
What to know about Grattan Investment Group
Upseed classifies Grattan Investment Group under the Angel Group organization type. Its current public profile includes funder and community capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
April 24, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.