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Multinationals protect their computers from malicious attacks using software created by developer Sophos. In 2010, Apax Partners paid £383m for a 70% stake in the firm, founded in 1985 by Oxford graduates Peter Lammer and Jan Hruska. Last year it bought German firewall specialist Astaro Software. It is led by chief executive Steve Munford.

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Company details
ActivitySecurity software developer
Sales £m228.9
Operating profit £m16.1
Main shareholders

Apax Partners (70%), management (30%)


If applicable:

* supplied by company   † annualised figure   ‡  profit = ebitda