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
Spectrum Brands Spectrum Brands Spectrum Brands Holdings, Inc., is an American diversified company established in 2005 as the successor company to Rayovac Corporation. Rayovac had been located in Wisconsin since its conception as The French Battery Company in 1906. The company manufactures and markets home appliances under the Remington, Black & Decker, George Foreman, and Russell Hobbs brand names, lawn and garden care products under the Spectracide and Garden Safe brand names, and insect repellents under the Cutter and Repel brand names. Spectrum owns several pet care companies, both in the aquarium supply and companion animal trades. In the aquarium business, Spectrum