O2 (UK) they can do it too" in reference to Vodafone and EE, O2's biggest competitors and the UK's top three mobile-telecoms companies. O2 (UK) Telefónica UK Limited (trading as O2 – stylised as O) is a telecommunications services provider in the United Kingdom, owned by the Spanish multinational Telefónica, and is headquartered in Slough. With 25 million subscribers (as of December 2017), O2 is the second-largest mobile network operator in the United Kingdom after EE, with Vodafone in third place. O2 was formed in 1985 as Cellnet, a 60:40 joint venture between BT Group and Securicor. In 1999, BT Group acquired
Sovereign Communications Sovereign Communications Sovereign Communications, LLC is an American radio broadcasting company which owns 17 radio stations in the Upper Peninsula of Michigan, with offices in Sault Ste. Marie, Michigan. The company is owned and operated by William C. Gleich and Tim Sabean. After their February 2010 purchase of 11 stations from Northern Star Broadcasting, the company holds "something close to a local monopoly" on radio stations in the Sault Ste. Marie region. The transaction was publicly valued at $3,425,000 in cash. Several Northern Star employees (both on-air and in management) lost their jobs as a result of the purchase. As