O2 (UK) 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 Securicor's share of Cellnet and the company was later rebranded as BT Cellnet. In June 2000, BT Cellnet launched the world's
Liberia Telecommunications Corporation owns thirty communications towers around the country, which it both utilizes in its network and leases to Liberia's four GSM mobile providers. Liberia Telecommunications Corporation The Liberia Telecommunications Corporation (Libtelco) is a telecommunications company providing services in Liberia. Headquartered in Monrovia, the company provides telephone, Internet, fax and radio services to the Greater Monrovia area. Prior to the passage of the Telecommunications Act of 2007, Libtelco possessed a legal monopoly over the country's fixed line services, and today remains the sole company licensed by the Liberia Telecommunications Authority to provide fixed line telephone services. Libtelco was founded through the Liberian