Look up in cities as diverse as Atlanta, Edinburgh and Dubai and you may spot one thing in common; Telensa’s smart streetlight systems – manufactured in Wales – are used in over 80 cities worldwide to save energy and cut maintenance costs. It claims that its sensor applications – such as a traffic monitoring feature – have reduced streetlight energy use by 30% through adaptive dimming technology. Co-founders Will Gibson, 55, and Tim Jackson, 58, spun the Cambridge firm out of electronics design consultancy Plextex in 2010. The company raised £13m in 2016 from the Environmental Technologies Fund to help fund the development of further wireless smart city applications. In the same year Will Franks, 52, who had previously founded network technology company Ubiquisys before it was sold to Cisco for $310m in 2010, joined as chief executive. Sales hit £22.8m in 2017.

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Company details
ActivitySmart city technology developer
Latest sales £000s22,836
Forecast sales £000sn/a

If applicable:

* Sales and forecast sales provided by the companies