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Changing the way the Channel Islands use technology for positive impact.

The C5 Alliance Group forms part of BDO Jersey and is the trusted provider of technology solutions across Jersey and Guernsey.

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.

Bringing it all together – Advise, Transform, Run


Through our partnership with BDO Jersey our advisory service can access deep sector expertise, benefitting from a worldwide strategic alliance 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.