O2 is a mobile network operator and the principal commercial brand of Telefónica U.K. Limited, which is part of the global telecommunications group Telefónica S.A, headquartered in Spain and operating in Europe, and North, Central and South America. O2 was awarded Best Network Coverage in 2018 by uSwitch and with over 32 million connections to the network, it runs 2G, 3G and 4G services across the U.K., as well as operating its nationwide O2 Wifi service. The company is the network of choice for mobile virtual network operators such as giffgaff, Sky Mobile and Lyca Mobile as well as managing a 50:50 joint venture with Tesco for Tesco Mobile.
O2’s Data & Insights platform using anonymized and aggregated data from the O2 network, providing a much higher sample rate and richer dataset compared to more traditional data collection methods. Advanced Big Data analytics are used to understand and identify trends, turning mobile event data into actionable insights for public and private sector clients.