Vodafone Group plc is a British multinational telecommunications conglomerate, with headquarters in London and Newbury, Berkshire. It predominantly operates services in the regions of Asia, Africa, Europe, and Oceania. Among mobile operator groups globally, Vodafone ranked 4th (behind China Mobile, Bharti Airtel and Vodafone Idea) in the number of mobile customers (313 million) as of 2018.Vodafone owns and operates networks in 25 countries, and has partner networks in 47 further countries. Its Vodafone Global Enterprise division provides telecommunications and IT services to corporate clients in 150 countries.Vodafone has a primary listing on the London Stock Exchange and is a constituent of the FTSE 100 Index. It had a market capitalisation of approximately £52.5 billion as of 10 February 2016, the eighth-largest of any company listed on the London Stock Exchange. The company has a secondary listing on NASDAQ.