9 Quorum Cyber
YoY growth: 54%
Revenues: £24.6m
Oxygen 250 ranking: 218th
Specialism: Microsoft cybersecurity
Having swelled average monthly headcount from 18 to 225 between its fiscal 2020 and 2024, this Edinburgh-based, PE-backed Microsoft cybersecurity specialist made its first acquisition in September (in the shape of 80-employee Canadian peer Difenda).
Revenues shattered the £20m mark in its year to 31 May 2024.
Founded in 2016, Quorum Cyber plays in a managed detection and response space Gartner forecasts will grow from $1.03bn in 2021 to $2.15bn by 2025.
Recent moves
Quorum Cyber in January followed up its Difenda purchase by acquiring Kivu Consulting, another US company specialising in incident response.
“This transaction highlights our rapid growth among incident response and threat management providers globally, reinforcing our commitment to delivering exceptional cybersecurity solutions, throughout North America, the UK, and beyond,” Quorum Cyber Founder and CEO Federico Charosky stated.
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