O2 Store O2 Store The O2 Store is a chain of retail stores operated by Telefónica Europe, specializing in mobile phones. As of January 2014, O2 has opened over 450 stores in the United Kingdom. O2 Stores come in 2 formats - Franchise and Retail. The latter are owned and maintained by O2 UK directly, as opposed to private investors. The majority of stores have an O2 Guru, effectively a Technical Specialist. This free service is offered to all consumers, whether they are a Telefonica customer or not. Aside from general information, mobile phones are the central motive for visiting an O2
O2 (UK) certified with the Carbon Trust Standard in recognition of its commitment to reduce its carbon footprint. O2 attained the standard after saving 47,000 tonnes of carbon over the previous three years through its energy efficiency measures, including a £1.4 million distribution of smart metering technology across the company's cell sites, offices and retail stores, and upgrades to more energy efficient systems across its mobile phone network. In addition to distributing energy efficient LED lighting and boiler system controls, the company was also able to reduce energy use by removing air conditioning units from some of its cell sites and reducing