The name is used from 2006 for those parts of the United Kingdom and German services businesses of Marconi Corporation (formerly General Electric Company, GEC) which had not been acquired by Ericsson.

Customers include BAE Systems, BT, National Highways, HM Coastguard, Interoute, London Ambulance Service, Merseyside Fire & Rescue, Metropolitan Police, Network Rail, RNLI, Sky, Transport for London, Virgin Media and Vodafone.

The company has many operational sites within the UK and Ireland, including at Chorley in Lancashire, Warwick, Camberley in Surrey, Harbour Exchange in London, and Dublin.

A team of telecommunications technicians and engineers provide support and new features development for the TDM System X network used by BT, Virgin Media, Kingston Communications, Vodafone, and Gibtelecom.

[8] Non-executive director Frank McKay, former CEO of Travis Perkins and Brakes Group, was appointed as his temporary replacement[9] and was succeeded in July 2020 by Jo Gretton, a Telent executive since 2006.