Tech Track 100

More than 100,000 customers use this digital-only energy supplier, which provides sustainable energy at what it says is cost-price. It supplies green electricity and carbon-offset gas, and is forecasting £85m in sales in 2019, up from annualised sales of £13.9m in 2018. Two of its founders – Andrew Ralston, 56, and Steven Day, 52, previously co-founded and ran Virgin Mobile, while Chris Alliott, 46, also has a telecoms industry background. The Bath-based firm has secured investment from BP, which took a 24% stake in the company in 2016, and buys Pure Planet’s energy in the wholesale market.

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Company details
CompanyPure Planet
ActivityDigital-only energy supplier
Latest sales £000s85,083
Forecast sales £000s175,000

If applicable:

* Sales and forecast sales provided by the companies