This company is appearing in Tech Track 100 for the third time after founder and chief executive Tony Greaves, 50, upped sales to £33.3m in 2014. Core began life by providing cheap international phone calls and has expanded to become one of the country’s largest distributors of Sim cards. In 2011 it bought ADComms, which provides a wide range of telecoms services to Britain’s railways. In the last year Core has opened four new offices.
This profile reflects the company at time of publication and does not reflect any changes that may have subsequently occurred. Fast Track and its sponsors do not endorse, guarantee or recommend investment in any of the companies.