O2 (UK) BT subsidiaries: Esat Digifone in Ireland, Viag Interkom in Germany and Telfort Mobiel in the Netherlands. The rebranding was supported by a European advertising campaign, which began on 16 April 2002, across all four countries, at a cost of £130 million. The main launch campaign ran from 18 June and was developed by Vallance Carruthers Coleman Priest, working alongside brand consultancy Lambie-Nairn, creators of the "O2" brand identity. In March 2005, mmO2 restructured its shares and the company was relisted as O2 plc. On 30 November 2005, O2 agreed to a takeover by Telefónica, a Spanish telecommunications company, for £17.7
MAMA & Company by LN-Gaity, a joint venture of Live Nation UK and the parent company of MCD Productions. According to the reports three MAMA venues, the Ritz in Manchester, the Forum in Kentish Town and the Institute in Birmingham, would be rebranded by Live Nation as the O2 Ritz Manchester, O2 Forum Kentish town and O2 Institute Birmingham. MAMA & Company MAMA & Company is a live music and lifestyle entertainment company which was founded in 2005 and owns and operates a number of live music venues and festivals in the United Kingdom. The company owns six London venues and three regional