Elliott Mueller has been appointed as CEO and Steve Best as a non-executive director.
Mueller previously served as CEO of JT Global, Metronet and Tele2.
Chris Baldock, chairman of Telcom, said, "We are delighted to welcome Elliott as our new CEO and we are confident that we have made the perfect appointment for Telcom. Elliott is a dynamic, values-driven business leader with a diverse background of experiences and an excellent track record of delivery in the telecommunications sector. The Board looks forward to working with Elliott to deliver the full potential of Telcom for business customers across the UK."
Mueller said, "I am delighted to have been appointed to lead Telcom. The business has an impressive UK footprint, a strong brand portfolio, a talented team, and an enviable reputation. The company continues its focus on building its solutions for business customers and I am looking forward to working with the team."
Best has served on the boards or held executive leadership roles with major UK telecom companies, including EE and BT.
Baldock said, "Steve's experience and deep connections throughout the telecom sector will provide significant added value for Telcom as we deliver on our growth objectives over the next few years."
Best said, "I am delighted to join the board of Telcom at this pivotal moment in its growth trajectory. This is an exciting time for the company as it continues to grow its wholesale and direct routes to market, bringing dedicated internet to businesses across the UK."
Simon Adcock, head of portfolio and co-fund manager, sustainable infrastructure at Gresham House, which backs Telcom, said, "We welcome Elliott and Steve to the board of our portfolio company Telcom and look forward to working with them. Telcom is at an exciting stage in its growth journey, having recently acquired Luminet in London, adding to its existing networks covering Manchester, Leeds, Liverpool, and Birmingham. The business is well positioned to be the trusted partner for internet connectivity and related services for businesses throughout major cities across the UK."