Sixty of Guernsey's 305 professional-services firms work in IT. Specialisations cluster evenly at the top — hosting and email (10), network services (10), software development (10) — with cyber security, digital transformation and IT support each on eight. Logicalis opened the Channel Islands' first SOC in 2017. —
Twenty-five firms — twelve in St Peter Port, weighted toward bespoke platforms for regulated finance and a five-agency web cluster.
Nine of the island's 60 IT firms handle device-level break/fix — split between dedicated repair shops and Alderney's multi-service trio.
Eight of 60 IT & technology firms offer advisory and project work — Microsoft platforms, AI, bespoke software, data.
Seven managed IT providers — six offering cyber security, five bailiwick-wide; oldest since 1982, newest 2024.
Six providers on the island: managed-IT firms with security arms alongside pure-play consultancies, plus the States-backed GCSC (2026).
Five data and BI practices — three limited companies clustered in St Peter Port, plus the volunteer-run open data platform data.gg.
Five firms — two in managed IT and cyber, one in CCTV, one in smart-home AV, and the operator of the .gg registry.
Three providers: Logicalis (1982, largest CI IT firm), Channel Island Hosting (2009, top domain registrar), SquareClouds (2024).
Three EPOS providers on the island — ePOS CI (2015), epos.gg (2019), and CheckOut CI with around 680 customers.
Three St Peter Port firms: a Microsoft consultancy, a cyber specialist since 2019, and the States-contracted cyber centre launched 2026.
One firm per niche, picked for editorial depth.
Online platform for takeaway food orders; 30+ local restaurant menus
owner-operated; repairs phones, tablets, laptops, gaming consoles
Esri Gold Partner for mapping and software solutions, GIS, data supply
Global technology service provider; ISO certified, Cisco Preferred Partner
Network specialist firm; cyber threat protection, design, planning, supply
IT solutions provider; official Laserfiche provider, Microsoft Silver Partner
Shop for smart home and connected devices; Honeywell evohome distributor
Managed IT services and Microsoft 365 security audits for businesses
holding company for CheckOut CI, Enjoy CI, Digital CI; hardware & software
Cyber and Information Security specialists; penetration testing, vCISO support
IT support and services; operates the island's only public LoRa gateway
Telephony and network services for residential and commercial clients