Four providers across the Bailiwick. Sure (Guernsey) and Sure International both trace to the 1896 States Telephone Department — rebranded Sure by Beyon in October 2025; JET Communications has run from the Vale since 1999, stocking seven switch brands including Avaya, SpliceCom and Samsung; Island Computers covers Alderney. —
St Peter Port
Part of Beyon (formerly Batelco)
✦130-year heritage (1896)
The corporate division of Sure, specialising in offshore connectivity and providing bespoke telecoms solutions for businesses, including cyber security, hosting, and managed IT services.
St Peter Port
Part of Beyon
✦130-year heritage (1896)
Telecommunications and technology services provider, part of the global Beyon group, operating since 1896 and holding ISO/IEC 27001 certification.
Vale
Provider of telephony and network services, including project management, for residential and commercial clients in the Vale.
Alderney
Computer services company on Alderney, offering sales, installation, repairs, programming, website hosting, web design, and telephone systems.