IT Services
Transform, migrate, and run your operations with secure, resilient Managed IT Services
At C5 Alliance, we help businesses across the Channel Islands manage IT services with confidence.
Our managed service offering is built on reliability, security, and flexibility — so you can focus on delivering value to your clients while we take care of the infrastructure behind it.
Whether you’re migrating to the cloud, strengthening cybersecurity, or improving uptime, our IT Services team delivers SLA-backed support and 24x7x365 performance monitoring to keep your organisation running smoothly.
We support your end-to-end IT operations — from cloud migration to ongoing support, from endpoint security to infrastructure resilience.
Cloud Adoption Strategy
Cloud Migration
Cloud & Infrastructure Management
Modern Workplace Services
Cybersecurity Management

Our Core Services
We support your end-to-end IT operations — from cloud migration to ongoing support, from endpoint security to infrastructure resilience.
Cloud Adoption Strategy
We help you develop a cloud-first roadmap that fits your business goals, backed by expert analysis, secure frameworks, and compliance best practices.
Cloud Migration
We deliver full migration support — including planning, implementation, and post-move optimisation — to ensure a smooth transition with minimal disruption.
Cloud & Infrastructure Management
- 24x7x365 Monitoring and Event Management
- Patch Management and Security Updates
- Backup Monitoring and Restore Testing
- Antivirus and Endpoint Management
- Operational Processing and Performance Optimisation
We use enterprise-grade tools and processes to identify issues early, improve uptime, and reduce your operational risk.

Our Core Services
Modern Workplace Services
- Modern Device Management
- Identity and Access Protection
- 24x7x365 Support Desk
- Microsoft Cloud Solution Provider (CSP) expertise
We help your people stay productive, secure, and supported in today’s hybrid working environment.
Cybersecurity Management
- Secure Management Services
- Real-time Cybersecurity Monitoring
- Enterprise-grade Security Tooling
- Cybersecurity Incident Response
Our services are secure by design and aligned to regulatory standards including ISO 27001, PCI/DSS, and GDPR.

Designed for Regulated, Scalable Environments
C5 is a proven partner to financial services firms, utilities, public bodies, and regulated businesses. We offer:
- Dedicated or shared service desks
- Proactive, ITIL-compliant support processes
- Local, qualified engineers operating 24x7x365
- Secure cloud hosting with compliance at its core
We also offer Microsoft Cloud Solution Provider (CSP) services, enabling you to manage Microsoft licensing, usage, security, and training — all under one roof, with flexible monthly billing and potential cost savings of up to 25%.

Service Delivery That Scales With You
Our Managed IT Services are supported by a team of over 180 qualified professionals, trained to ITIL Foundation standard and operating to ISO 20000-1 and Cyber Essentials certified processes. Whether you need an extension of your internal team or a fully managed environment, we have the people, tools, and processes in place to support you.
Our services include:
- Service Delivery Management aligned to your business goals
- Detailed monthly reporting with KPIs, risk registers, and recommendations
- Support for continuous improvement and cost optimisation
- Change and incident lifecycle management
- Asset and patch management tailored to your risk profile
What You Can Expect - We deliver measurable business outcomes:
Increased resource capacity
and reduced management overheadImproved uptime
and system performance24x7x365 monitoring and support
delivered locallySecure by design
compliant with PCI/DSS, GDPR, and ISO 27001Operational controls
to reduce risk and enforce consistencyCost efficiency
predictable billing, and reduced total cost of ownershipDetailed KPI reporting
and service alignment with your objectives
We act as the catalyst for your IT operations helping you run faster, safer, and smarter.
We deliver measurable business outcomes:
End-to-End Support
From strategy to optimisation, we’re with you all the waySecure by Design
Protect your people, data and devices—everywhereClear Roadmaps, Real Outcomes
Technology plans aligned to business goals from day oneTrusted in Regulated Markets
Proven delivery in complex, compliance-heavy environments