Macfarlanes advises Quorum Cyber on acquisition of cybersecurity business Ontinue
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Macfarlanes has advised Quorum Cyber, a portfolio company of Eterna Growth Partners (Eterna) on the acquisition of Swiss cyber security business Ontinue.
Eterna is a US private equity firm specialising in middle-market technology investments. It launched in 2026 following a spinout from Charlesbank Capital Partners, where it previously operated as Charlesbank’s Technology Opportunities Fund strategy.
Quorum Cyber is a fast-growing, UK-based, cybersecurity company protecting organisations from the rising threat of cyberattacks. Ontinue is a cybersecurity company that uses AI and human expertise to help organisations detect, investigate and respond to cyber threats.
Macfarlanes advised on the acquisition, as well as the new equity funding and acquisition debt elements of the transaction.
The Macfarlanes team was led by M&A Partners Richard Burrows and Felicity Powell, and Finance Partner Kirstie Hutchinson, with support from Senior Associate Jordan Treacy-Jacobs and Associates Danny Talbot and Kevin McDonnell in M&A, and Senior Associate Owen Giles and Associate Will Underwood in Finance. Competition advice was provided by Partner Malcolm Walton and Senior Associates Matthew Jones and Matthew Redfern. Additional advice was provided by Associate Amy Daubeney in Employment.
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