Ashley Calder Mackenzie

Fenestra Holdings Ltd. operates as a blockchain advertising trading platform which intends to facilitate media buying and selling. The company was founded by Ashley MacKenzie and Kevin Deeley and is headquartered in London, the United Kingdom.

Base79 Ltd. develops online video for content owners. It partners with video rights holders and producers to build online audiences and brands, claim and protect their intellectual property, sell premium advertising, and generate new revenue streams on YouTube and other OTT platforms. The company was founded by Ashley Mackenzie and Richard Mansell on June 28, 2007 and is headquartered in London, the United Kingdom.

Stingray Digital International Ltd. is a multi-platform music service provider. It delivers music and video content on a number of platforms including Digital TV, IPTV, the Internet, mobile devices and game consoles. The company was founded in 1993 and is headquartered in London, the United Kingdom.

talkSPORT Ltd. engages in national and local commercial radio broadcasting. It is an official broadcaster of the Champions League, Europa League, international football, LaLiga, Copa Del Rey, the World Boxing Super Series, Premiership Rugby, the Super League, and English Test cricket. The firm specializes in the transmitting of sports events including football, cricket, rugby union, boxing, rugby league, cycling, darts, golf, horse racing, motorsport, snooker, tennis, and athletics. The company was founded in 2000 and is headquartered in London, the United Kingdom.

Wireless Group Media (GB) Ltd. owns and operates radio stations. It provides sports talk, live commentaries, phone-in discussion, talk shows and radio broadcasting services. The company was founded on March 13, 2000 and is headquartered in London, the United Kingdom.

Talk Radio UK Ltd. a UK based company with its head quarters situated at London provides radio broadcasting services. The comoany is a extinct company at present.

Carat provides independent media communication services. The private company is based in London, UK and has subsidiaries in Ireland.