Top Track 100

Established in 2016, M Group Services delivers infrastructure services to utilities companies and other sectors, with clients including Network Rail, Openreach and Thames Water. Led by chief executive Jim Arnold, 54, the Stevenage firm has acquired eight businesses in just over two years, including a wastewater business and a telecom cable company in March this year. It is majority owned by PAI Partners, which bought out the previous owner, First Reserve, last year.

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Company details
CompanyM Group Services
ActivityInfrastructure services provider
Sales £m*1,170
Profit £m*64
Year endMar 19
Principal shareholdersPAI Partners (85%), management (15%)

If applicable:

* Supplied by company † Annualised figure