Four licensed operators, all Bailiwick-wide. Sure (1896, ex-States Telephone Department) and JT (2002) run full-service networks, both ISO 27001 certified; Sure absorbed Airtel-Vodafone in November 2024. Coop Mobile launched February 2026 as an MVNO on Sure's network. GuernseyTel (2023) is building an independent 2.3 Gbit broadband network. —
St Peter Port
Part of Beyon (formerly Batelco Group, Bahrain)
✦130-year heritage (1896)
Guernsey's main telecommunications provider, offering mobile, broadband, landline, and IT services under the Sure by Beyon brand.
St Peter Port·Est. 2002
Part of JT Group Limited
Guernsey's full-service telecommunications provider, offering mobile, fibre broadband, landline, and enterprise services as a subsidiary of JT Group.
Castel·Est. 2023
Telecommunications licensee developing an independent 2.3 Gigabit Guernsey broadband network and offering global connectivity products, including M2M eSIMs.
St Peter Port·Est. 2026
Channel Islands MVNO launched in 2026, offering no-contract SIM and device plans on Sure's network in Guernsey and Jersey.