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Changing the way you use technology for positive impact.

The C5 Alliance Group is the trusted provider of technology solutions across the Channel Islands and UK

We recognise the breadth of individuality in our clients and are continually inspired to carry out work that makes a tangible difference to the lives of others, whatever the scale of ambition.

We are committed to inspiring, informing and educating our communities, whilst collaborating with those in our local business landscape, enabling them to harness cutting-edge technology to maximise opportunities and deliver robust, successful processes throughout their business lifecycle.

Our own extensive on-Island capabilities are supplemented by access to global expertise and capacity through our top-tier partnerships with Microsoft and others.

C5 is dedicated to fostering innovation through accelerators and regular Innovation groups, focusing on areas such as IT managed services, regulatory compliance, commercial data insights, digital transformation, ESG advisory, cybersecurity, and the application of various skill sets.

Our Vision

Our vision is to be ‘the long-term trusted advisor and respected partner to our clients, known for helping people and businesses to succeed’. We work in collaboration with all clients, helping them develop strategies and architectures that meet the needs of their businesses.

Our Ethos

Our “Think Big. Start Small. Move Fast.” ethos and approach to strategy formulation, provides organisations with the expertise and guidance needed to develop and execute a comprehensive technology strategy for growth, improvement, and innovation.

Think Big

We work alongside and collaborate with key stakeholders, sharing ideas. We facilitate the strategy process to align senior teams around shared business outcomes to create new sources of value, empower your workforce, reinvent processes, and harness technology.

Start Small

Execution focuses on prioritising and delivering manageable change: breaking up initiatives into smaller component parts to de-risk delivery and build momentum for further investment and adoption.

Move Fast

At the heart of transformation is an integrated and strategically aligned change process, focused on good governance, value, and accelerated adoption.

With our long track-record of partnering with clients, we have unique insight into the different ways that diverse organisations approach the challenge of transformation.

Our agile approach is proven to build alignment to objectives, to reduce the quantity of strategic meetings by more than half whilst simultaneously increasing the speed of execution by over 33% without any change in resource profile.

Bringing it all together – Advise, Transform, Run


Our advisory service can access deep sector expertise, benefitting from our partnership agreement with Microsoft


The professional services teams across our Cloud & Infrastructure, Data & A.I. and Applications practices create, implement and manage technologies to enable digital transformation for our clients, stimulating business productivity and profitability.


Our Managed Services teams do more than just break-fix. By monitoring your systems proactively we aim to prevent issues before they occur, always working towards a continual service improvement

Our Business Leaders

Environmental Social and Governance Strategy

Our Environmental, Social and Governance strategy commits to promoting well-being, inclusion and diversity within the team and also through our supply chain.

We want to minimise our negative impact and also strive to increase our positive impact within both the community and on the environment. We are committed to ensuring that our ESG strategy becomes embedded as part of our regular business processes.

We are also committed to educating and inspiring the next generation of digital talent. We have an active presence at the Skills Show in both Jersey and Guernsey, and we connect with students at numerous educational events throughout the year.

If you would like your students to hear more from our experts about our dynamic and varied industry, and what it takes to make a positive impact with technology in the future, email us.