John Guest’s range of push-fit connectors are distributed to 60 countries, with applications primarily in the plumbing, automotive, drinks dispenser and fibre-optic markets. The company is run from its west London factory by the late John Guest’s three sons, twins Robert and Barry, 66, and Tim, 57. Its products have been used recently in Royal Wharf, a development in east London, and in Birmingham Children’s Hospital.

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Company details
Year2017
Rank183
CompanyJohn Guest
ActivityTubing and pipe manufacturer
LocationWest London
Sales £m150.4
Operating profit £m31.1
Main shareholdersGuest family (100%)
Staff1,276
Founded1962
Websitewww.johnguest.com

If applicable:

* supplied by Company   † annualised figure   ‡  profit = ebitda