Networks & infrastructure

The Channel Islands' largest IT services company, offering managed IT, cloud, cybersecurity, and connectivity services.

Channel Islands business solutions group offering IT, payroll, and managed services through subsidiaries Sigma IT, Sigma Pay, and Fultura.

Guernsey's main telecommunications provider, offering mobile, broadband, landline, and IT services under the Sure by Beyon brand.

Sure's B2B division, providing connectivity, cloud, and managed services across the Channel Islands and Isle of Man.

Alderney-based provider of email and web hosting, web design, IT support, computer sales, and .gg/.je domain registration.

Guernsey accountancy firm offering accounting, tax, payroll, and business advisory services to businesses of all sizes.

Guernsey IT and creative services firm, delivering data, design, and development solutions since 2006.

Digital agency and Microsoft Partner established in 2009, specialising in web design, hosting, and data analytics, and expanding into North America.

Fultura Limited provides managed cyber-security, network monitoring, hosted desktops, and IT support across the Channel Islands and UK, as part of Sigma Group since 2023.

Digital agency established in 1996, specialising in web design, e-commerce, and digital marketing, with a Guernsey office in St Peter Port.

Guernsey telecommunications company offering business telephony, structured cabling, and voice/data solutions across the Bailiwick.

Guernsey-registered web design, development, and hosting company established in 2005, trading as PJWD.Net.

Managed IT and cyber security services company, part of the Zenzero group, with offices in Guernsey, Jersey, and Dubai.

Sensible Technology Ltd provides smart home and office technology solutions — lighting control, AV, heating, networks, and home automation — from St Sampson.

Guernsey managed IT services and cybersecurity company, established in 2024, serving Channel Islands businesses.

Digital agency offering web design, custom application development, and enterprise hosting, established in 1999.

Alderney computer shop and IT services provider, trading as TreeRiver Computers under Island Computers since 1989.

IT support and cybersecurity company established in 1990, serving businesses and home users across the Channel Islands.

Web design and digital services company established in 2000, offering development, hosting, and e-marketing.

Specialist consultancy established in 2022, offering bespoke software development, enterprise systems, and Microsoft stack solutions with over 15 years of experience.

IT professional in St Peter Port specialising in cybersecurity, Windows Server Administration, and Microsoft 365.

CheckOut CI Ltd provides EPOS, point of sale, and IT solutions to hospitality, retail, and distribution businesses across the Channel Islands.

IT support shop and member of the Alderney Chamber of Commerce, specialising in computer repair, hosting, email, telecoms, and web development in Alderney.

Food ordering and delivery technology platform serving local restaurants, providing online ordering systems, delivery management, and website hosting.