Tech Track 100

This company designs and manufactures smart devices to help people monitor and control the amount of energy they use in their homes. Its products, which can be controlled by a smartphone or PC, include smart thermostats and metering devices. Patrick Caiger-Smith, 55, and Simon Anderson, 66, started the Cambridge business in 2006 and have since sold more than 4m devices, mostly through utility companies such as British Gas and EDF, lifting sales to £22.6m in 2017. The company is backed by the Low Carbon Innovation Fund and has other investors, including former Dragon Nick Jenkins and Lord Oxburgh, a former chairman of Shell.

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Company details
ActivitySmart energy monitoring
Average 3 year sales growth71.76%
Latest sales £000s*22,603

If applicable:

* supplied by company † annualised figure