Eight firms — Sure (1896) and its B2B arm Sure International anchor the market, with Logicalis Guernsey (1982) running the Channel Islands' largest IT services operation and its first Security Operations Centre. Four sit in St Peter Port. The newest, Coop Mobile, launched February 2026 as an MVNO on Sure's network. Two hold ISO 27001. —
Four providers — Sure's consumer and B2B arms (rooted in the 1896 States Telephone Department), JET (1999), and Alderney's Island Computers.
Three providers — Sure (1896) for consumer and B2B fibre, and Logicalis (1982), the Channel Islands' largest IT services firm.
Three of eight telecoms firms install infrastructure — one for business telephony, one for satellite and aerials, one for two-way radio.
One firm per niche, picked for editorial depth.
Telecommunications provider — mobile, broadband, landline, and IT services
Largest IT services company — Cisco Global Gold Certified Partner & GCRA-licensed telecoms operator.
Telecommunications solutions provider — business telephony, cabling, voice/data.
Mobile network operator — MVNO on Sure, offering SIM-only & device plans with no contracts
GCRA-licensed telecoms operator; only Channel Islands vehicle tracking with official States mapping