Six firms across four parishes, all limited companies, founded between 1974 and 2024. Quantios — a global SaaS with 600+ clients across trust and wealth management, traded as Microgen until 2020 — anchors one end. Logicalis (1982) is the Channel Islands' largest IT services firm, with the islands' first Security Operations Centre (2017). —
To auto-generate a shortlist, pick from the options below (or tick businesses from the directory to build your shortlist manually).
St Peter Port·Service·Est. 1974
Part of Quantios (Guernsey) Limited (holding company)
✦Only one here offering regTech & compliance software
Global SaaS and RegTech company, registered in St Peter Port, providing software solutions for wealth management, trust, and corporate services.
St Martin·Service·Est. 1982
Part of Logicalis UK&I (division of Datatec Limited)
✦Largest team: 7000+
The Channel Islands' largest IT services company, offering managed IT, cloud, cybersecurity, and connectivity services.
St Peter Port·Professional Service·Est. 2009
Digital agency and Microsoft Partner established in 2009, specialising in web design, hosting, and data analytics, and expanding into North America.
St Andrew·Professional Service·Est. 2005
Guernsey-registered web design, development, and hosting company established in 2005, trading as PJWD.Net.
St Sampson·Service·Est. 2000
Part of Submarine
Web design and digital services company established in 2000, offering development, hosting, and e-marketing.
St Martin·Professional Service·Est. 2024
Part of Horsepool Group
Guernsey managed IT services and cybersecurity company, established in 2024, serving Channel Islands businesses.