Business telephony, mobile networks, and managed connectivity solutions.
Ten firms offer telecoms and VoIP services. For 3 of them, including JT and Sure (Guernsey) Limited, this is their whole trade; 3 others, like JET Communications, offer it as a main service. The remaining 4, such as Island Computers, include it within a broader IT portfolio. Sure International, founded in 1896, is the earliest established firm here. —
St Peter Port
✦130-year heritage (1896)
Guernsey's main telecommunications provider, offering mobile, landline, and IT services under the Sure by Beyon brand.
Connectivity · Telecommunications operator · Business telephony
Also Broadband & internet service (ISP) · Wi-Fi & structured cabling installation · Fixed line & home phone
St Peter Port·Est. 2002
This St Peter Port business is Guernsey's full-service telecommunications provider, offering mobile, fibre broadband, and landline services.
Telecommunications operator (inferred from the source page)
St Peter Port·Est. 2026
A Channel Islands MVNO, Coop Mobile provides SIM-only and device plans on Sure's network in Guernsey and Jersey.
From their website
Roaming data boosters (UK/Europe/USA)
Vale
A Guernsey telecommunications firm, established in 1999, specialising in business telephony and voice over IP solutions.
Managed connectivity (inferred from the source page) · Telecoms infrastructure (inferred from the source page)
Brands & materialsDrayTek · Avaya · Ericsson · Samsung · SpliceCom
From their website
Traditional and IP telephony installations (inferred from the source page)
Voice and data convergence (inferred from the source page)
Also Network services
St Peter Port
✦130-year heritage (1896)
This B2B division of a telecommunications provider offers business telephony, mobile, and managed connectivity solutions.
Offshore connectivity · Mobile network
From their website
Cloud Telephony
St Martin·Est. 1982
A large Channel Islands IT services company, Logicalis offers connectivity solutions, including telecoms and VoIP, as a main service.
Intelligent connectivity · Managed connectivity
Also Managed IT services · Cyber security · Cloud & virtualisation
Alderney
This Alderney IT support shop provides telecoms and telephone systems as a key part of its offerings.
Alderney·Est. 1984
Alderney-based internet services company established in 1984, providing email and web hosting, web design, and operating the .gg and .je domain registries.
From their website
Telephone systems (standard and VoIP) (inferred from the source page)
Also Hosting & email · Computer repair · Web design & development
Vale·Est. 1990
An IT support and cybersecurity company that includes VoIP telephony installations among its services.
From their website
VoIP telephony (inferred from the source page)
Also Cyber security · Managed IT services · Network services
Forest·Est. 2007
A managed IT and cyber security services company that provides managed telecoms and VoIP solutions to its clients.
Alderney·Shop·Est. 1989
An Alderney computer shop and IT services provider; telephone systems, including VoIP, are part of its broader IT offering.
Also Smart home & AV · Hosting & email
Other capabilities nearby in the graph — the count is how many businesses do each.