O2 (Telefónica UK) Employee Directory
TelecommunicationsEngland, United Kingdom5001-10000 Employees
O2 (Telefónica UK) has about 5.4K employees across 3 continents, most of them in Europe. By country, the largest groups are United Kingdom Of Great Britain And Northern Ireland (92%), Germany (2%) and United States Of America (1%). Administrative and Retail make up 42% of the profiles with a known department. O2 (Telefónica UK)'s workforce spans 37 departments. O2 (Telefónica UK)'s workforce fell 22% between July 2025 and July 2026.