Mark Schmid

The Carphone Warehouse Group Plc operates mobile telephone retail stores and provides mobile telecommunication services. The company also operates its own mobile Internet portal, MViva which offers news, online shopping, and other services. It was founded in 1989 by Charles Dunstone and is headquartered in London, the United Kingdom.

TalkTalk Telecom Group Ltd. provides telecommunications services to consumers and business to business customers in the United Kingdom. It offers fiber, broadband, landline, TV, and mobile services under the TalkTalk and TalkTalk Business brands. Its products include HomeSafe, a home filtering service for residential customers; WorkSafe that provides protection for internet devices to business customers; SuperSafe, which offers protection from viruses and malwares; CallSafe, a security feature that screens inbound calls; and TalkSafe, a way of identifying a customer when they call using their voice. The company was founded by Charles William Dunstone in 2002 and is headquartered in Salford, the United Kingdom.