Vodafone Group Plc engages in telecommunication services in Europe and internationally.
BT Group plc provides communications products and services in the United Kingdom, Europe, the Middle East, Africa, the Americas, the Asia Pacific, and internationally.
Airtel Africa Plc provides telecommunication and mobile money services to customers in Nigeria, East Africa, and Francophone Africa.
Gamma Communications plc provides communications and software services for business in the United Kingdom and internationally.
Helios Towers plc, an independent tower company, builds, acquires, and operates telecommunications towers and related passive infrastructure.
TalkTalk Telecom Group PLC provides telecommunications services to consumers and business to business customers in the United Kingdom.
Zegona Communications plc, through its subsidiaries, provides telecommunication services in Northern Spain.
Bigblu Broadband plc provides satellite, and wireless broadband telecommunications and related products and services in the United Kingdom, Europe, Australia, and internationally.
AdEPT Technology Group plc provides unified communication and IT services in the United Kingdom and internationally.
Cloudcall Group plc, a software company, designs, develops, and operates integrated multi-channel communications services for customer relationship management systems in North America, the United Kingdom, mainland Europe, Australia, and parts of the Asia Pacific.
Toople Plc, through its subsidiaries, provides broadband and telephony solutions to small and medium enterprises (SMEs) in the United Kingdom.