Both Edinburgh-based companies are on the league table for the first time this year. Ecometrica uses information from sources including satellites and drones to build maps that help customers track their impact on the environment.
Our growth reflects an increased willingness by corporations and governments to track, account for and manage their environmental impacts...Gary Davis, CEO , Ecometrica
Last year, it secured a £14.2m contract with the UK Space Agency to help protect 300m hectares of tropical forest in six countries including Brazil and Indonesia.
Ecometrica revealed recently that profits had tripled, to £650,000. Turnover increased by 109% to £5.5m in the year to the end of March.
Also joining the table this year is Edesix, which makes body worn cameras that help improve safety for workers in public-facing roles and that can provide video evidence.
Police officers, paramedics and bailiffs in countries as far afield as Peru and New Zealand use the company’s devices. The two companies (compared to four last year) have grown their sales by an average of 71% a year over three years to a total of £11m, and together they now employ 87 people.
Past stars range from travel search engine Skyscanner, which was bought by Ctrip, China’s largest travel company, for £1.4bn in 2016, to listed takeaway website Just Eat, now worth £5bn...