IT & technology
Known for
Also covers
Vale·Professional Service
Standout
Guernsey's only digital forensics specialist
Founder Carl Ceillam has worked exclusively in information security since 2001, initially at a Big Four professional services firm before founding The Chain in 2010
The Chain Limited is a Guernsey-registered cyber security firm founded in 2010 by Carl Ceillam, specialising in penetration testing, digital forensics, security auditing, incident response planning, and Virtual Information Security Officer (VISO) services. It serves clients across the Channel Islands and performs audits against ISO 27001, PCI DSS, and GFSC Cyber Security Rules. —
Each capability links to every business in the Baliwick that shares it.
Known for
Also covers
Training on data protection, AML, and cyber security.
From their website
Cyber security awareness training
Expert advice and analysis to guide business decisions and operations.
Compiled from public sources — mistakes are possible. If something here looks wrong, let us know.
Largest IT services company — Cisco Global Gold Certified Partner & GCRA-licensed telecoms operator.
Managed IT services — cyber-security, network monitoring, hosted desktops.
IT support and cybersecurity — backups, VoIP, hosting, networks, CCTV
FinTech and RegTech software — trust, banking, regulatory reporting.