Eleven of the island's 66 IT & Technology firms sit on the advisory side — strategy, architecture, digital transformation — not helpdesk or managed ops. Four are managed-IT houses that also consult on cyber, four are bespoke-software or AI consultancies, three are specialist advisories in mapping and cloud. C5 Alliance holds ISO 27001 since 2018. —
To auto-generate a shortlist, pick from the options below (or tick businesses from the directory to build your shortlist manually).
Castel·Est. 1998
✦Oldest in this niche
Specialist consultancy providing mapping and software solutions across the Channel Islands, an Esri Gold Partner and agent for Leica Geosystems instruments.
St Saviour
IT services firm specialising in decision automation, systems integration, and process consultation for Channel Islands businesses.
St Saviour·Est. 2008
Specialist consultancy that helps organisations design, build, and improve software, AI, and digital solutions, offering AI strategy and software consultancy for secure, reliable software.
St Peter Port·Professional services·Est. 2006
Software development and IT consultancy founded in 2006, specialising in bespoke development, project management, and database rescue.
St Sampson·Est. 2024
IT consultancy specialising in data infrastructure, pipelines, reporting, and analytics, extending into AI systems, established in 2024.
Vale·Est. 2020
IT consultancy offering managed IT services, cyber security, Microsoft Cloud solutions, procurement, and strategic consultancy, with Cyber Essentials and Microsoft certifications.
St Andrew
AI research organisation building sovereign, agentic AI systems for regulated industries such as pharmaceuticals, medical devices, and finance.
St Peter Port
IT consultancy, ISO 27001 certified, specialising in Microsoft platform consultancy with five Solutions Partner designations, and offering managed IT services.
St Peter Port
IT consultancy with ISO 27001 information security certification and a SOC 2 Type 2 report covering the UK, Channel Islands, Ireland, Canada and the US.