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Strategy & technology that helps you thrive

We are the leading offshore, technology, digital, AI and cybersecurity specialist

Advisory, Technology and Assurance

We combine strategic advisory, modern technology, and managed services to help businesses evolve with confidence — solving complex challenges and unlocking new value. Through the delivery of integrated Advisory, Technology and Assurance capabilities, we support clients at every stage of their journey — from setting direction to scaling delivery and running critical operations.

Services

Application Development

Transform, automate, and innovate through bespoke software solutions

IT Services

Transform, migrate, and run your operations with secure, resilient Managed IT Services

Strategy & Operating Models

Achieve clarity. Create momentum. Build a resilient business

Cyber Security

From Strategy Development to Incident Response

Digital Strategy and Management Consulting

Empowering business leaders to transform, adapt, and thrive

AI & Advanced Analytics

Turn your data into predictions, productivity - and competitive advantage.

Transformation & Change

Realise benefits. Sustain change. Deliver outcomes

Cloud & Infrastructure

Scale and accelerate your business with resilient, secure platforms

Data Strategy & Platforms

Get better value from data

Training and Adoption

Boosting Productivity with Microsoft Office Expertise
Products

Microsoft Business Applications

Modern solutions to connect data, automate work, and empower your teams

Modern Workplace

Enable secure, flexible work with Microsoft 365

Microsoft Data & Analytics

Turn your data into insight. Insight into action.

Microsoft Windows Desktop Environments

Build a resilient, secure digital foundation for your business

Microsoft Productivity & Collaboration

Empowering teams with secure, intelligent tools that drive results

Microsoft Security & Endpoint Management

Protect your people, data, and devices – wherever work happens

A Multidisciplinary Approach

We help you solve challenges and realise value at every stage of your business lifecycle:

  • Advise

    Pragmatic strategic thinking

  • Transform

    Expert delivery

  • Run

    Managed IT Services

Our Ethos

We believe real progress starts with clear thinking and focused action. That’s why we help clients:

Step ImageDefine bold ambitions
Step ImageDeliver quick wins
Step ImageScale success with agility
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C5 in 60 Seconds
From compliance to connectivity, we help you stay ahead—no matter your pace or complexity.
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Case Study

Real-Time Data Insights for a Property Manager

Enabling smarter decision making through real-time data insights using a scalable Microsoft Fabric data platform

Case Study

Digital Broker Portal for Insurance Corporation

How C5 Alliance Transformed SME Insurance with a Digital Broker Portal for the Insurance Corporation of the Channel Islands with custom application development

Our Technical Certifications

Insights and Updates

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Insights

Inspiring the Future of Technology

C5 Champions STEM Racing in Jersey

Thursday 18 December 2025
transformation and change people working at their desk
Insights

Make Your Next System Upgrade Count

Ensure your investment delivers lasting value, not just new technology.

Thursday 20 November 2025
A computer screen displaying lines of code, overlaid with a smooth purple-to-blue gradient.
Insights

Understanding Digital Assistants

Digital assistants are transforming the way organisations operate

Wednesday 1 October 2025
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We act as the catalyst for your IT operations helping you run faster, safer, and smarter.

We deliver measurable business outcomes:

  • The C5 Difference

    We act as the catalyst for change, not just delivery

  • Unique Multidisciplinary Approach

    Strategy, technology and support, delivered as one

  • Deep Sector Insight

    We understand your world and your challenges

  • Technology with a Human Focus

    We bring clarity, not complexity, and always start with people
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