ENSEK has created a software platform to help energy suppliers, such as Centrica and Ovo Energy, to provide better customer experience, for example by allowing suppliers to provide quotes, sign up customers and manage billing and payment online. It was founded in 2010, and co-founder and chief executive Jon Slade, 40, led a management buyout backed by LDC for £15m in 2017, with the private equity house taking a minority stake. As part of the deal, Ian Peters, 60, former managing director of British Gas, joined as chairman. The Nottingham-based business’s sales grew to £8.7m this year.

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Company details
Year2019
Rank80
CompanyENSEK
ActivityEnergy software developer
LocationNottingham
Average 3 year sales growth60.80%
Latest sales £000s*8,677
Staff129
Founded2010
Websitewww.ensek.co.uk

If applicable:

* supplied by company † annualised figure