Firms

ACT Venture Capital

ACT Venture Capital

actventure.capital

ACT Venture Capital is a Dublin-based venture capital firm founded in 1994 that backs technology companies from early stages through growth. Its portfolio spans AI and machine learning, deep tech, connectivity, energy, health and enterprise software, with investments including Deciphex, Ubotica, Provizio, GridBeyond and Oblivious. John Flynn is managing partner, with general partners Debbie Rennick and John O’Sullivan. The firm reports EUR600 million raised across six funds and 140 companies backed; these figures describe its aggregate history. Its ACT VI announcement identifies a EUR140 million first close and investment tickets from EUR100,000 to EUR10 million. Public portfolio listings include both live investments and exits and do not establish each company’s financing dates or ACT’s individual cash contribution.

Founded
1994
Type
Venture capital

Funds1

  • ACT VI€140M

    Sixth venture fund. ACT announced a EUR140 million first close, with plans to target 35 companies, predominantly seed stage through its Enterprise Ireland seed sidecar partnership. Published tickets range from EUR100,000 to EUR10 million; ticket ranges are not additional fund capital. Exact announcement day and subsequent final close are not asserted.

Team

Operations and support

Andrew O’NeillAndrew O’NeillPrincipal
Cathy McBrideCathy McBrideFund Accountant
Conor MillsConor MillsPrincipal
Debbie RennickDebbie RennickGeneral Partner
John FlynnJohn FlynnManaging Partner
John O’SullivanJohn O’SullivanGeneral Partner
Lorraine PatonLorraine PatonFinancial Controller
Mairead RocheMairead RocheAssociate
Sarah MatthewsSarah MatthewsAccounts
Shanice CallinanShanice CallinanCompliance Analyst & Office Manager

Co-investing

Charles River Laboratories
Atlantic Bridge
Enterprise Ireland
Expeditions
Frontline Ventures

Investments