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·Service
✦130-year heritage (1896)
Guernsey's main telecommunications provider, offering mobile, landline, and IT services under the Sure by Beyon brand.
Mobile network · Telecommunications operator · Business telephony · Managed connectivity
Also Broadband & internet service (ISP) · Wi-Fi & structured cabling installation · Fixed line & home phone
St Peter Port·Service·Est. 2026
A Channel Islands MVNO, Coop Mobile provides SIM-only and device plans on Sure's network in Guernsey and Jersey.
Telecommunications operator · Mobile network
From their website
SIM-only mobile plans
Mobile devices (new and refurbished)
St Peter Port·Service·Est. 2002
This St Peter Port business is Guernsey's full-service telecommunications provider, offering mobile, fibre broadband, and landline services.
Telecommunications operator
St Peter Port·Service
✦130-year heritage (1896)
This B2B division of a telecommunications provider offers business telephony, mobile, and managed connectivity solutions.
Telecommunications operator · Offshore connectivity · Mobile network
CredentialsMicrosoft Partner
From their website
Unified Communications
Voice Solutions
Also Cloud & virtualisation · Hosting & email · Managed IT services
Vale·Service·Est. 1999
A Guernsey telecommunications firm, established in 1999, specialising in business telephony and voice over IP solutions.
Managed connectivity · Telecoms infrastructure
Brands & materialsDrayTek · Avaya · Ericsson · Powershift · Samsung +2 more
From their website
Traditional and IP telephony installations
Voice and data convergence
Also Network services
St Martin·Service·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 Cyber security · Managed IT services · Network services
Alderney·Shop·Est. 1989
An Alderney computer shop and IT services provider; telephone systems, including VoIP, are part of its broader IT offering.
From their website
Networking and telecommunications equipment
Telephone systems (standard and VoIP)
Alderney·Service
An Alderney computer services company that provides telephone systems as part of its broad range of IT and web services.
Business telephony
From their website
Telephone systems
Also Computer repair · Hosting & email · Web design & development
Vale·Service·Est. 1990
An IT support and cybersecurity company that includes VoIP telephony installations among its services.
From their website
VoIP telephony
Also Cyber security · Managed IT services · Network services
Forest·Service·Est. 2007
A managed IT and cyber security services company that provides managed telecoms and VoIP solutions to its clients.
Other capabilities nearby in the graph — the count is how many businesses do each.