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Led by chief executive Keryn James, 50, London-based ERM provides environmental, health, safety, risk and social consulting services for clients such as Unilever, Shell and the World Bank. Last November, ERM acquired Kathy Jones & Associates, an Australian communications consultancy, followed two months later by SustainAbility, a think tank with offices in London, New York and San Francisco, adding to ERM’s 160-plus offices in 40 countries. Omers Administration Corporation and Aimco bought a majority stake in ERM from Charterhouse in 2015, valuing the company at £1.5bn.

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Company details
ActivityEnvironmental consultancy
LocationCentral London
Sales £m*551.7
Operating profit £m*45.3
Main shareholdersOmers PE, AIMCo, management

If applicable:

* supplied by company   † annualised figure   ‡  profit = ebitda