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Voted British Bank Awards 2022 Technology Partner of the Year, CSI is a global Managed Service Provider (MSP) specialising in supporting businesses in highly regulated industries.

CSI has built a reputation as a market leader in the design and management of mission-critical IT solutions, supporting clients with a secure journey to the cloud.



Established in 1983, CSI is an accredited, global Managed Service Provider (MSP), delivering Hybrid Multi-Cloud, Data Protection and Cyber Security to industries that need innovation now more than ever. We achieve this through strategic partnerships with some of the most exciting ISVs and international businesses operating across the market. This means, for our clients where complex and regulated workloads can be challenging, we extract value from data, whilst providing the first and last line of protection against digital threats.

Without adding unnecessary risk, we help clients to modernise and evolve their systems, applications, processes and underlying IT architectures.

Our clients benefit from lowering costs, improving operational efficiencies and enhancing customer experiences to support their growth ambitions, keeping them relevant and competitive in their marketplace.

By applying our specialist skills and experience, we deliver high-performance, super-reliable, compliant platforms where applications run in optimal conditions.

Ensuring the Mambu Customer is prepared to adopt Mambu Service in terms of security, cloud adoption, and remote working.
Delivering operational assurance across the application and infrastructure architectures. Ensuring applications are integrated, monitored and secure.
Adding value through building data lakes and business intelligence tooling, enabling the customer to maximise its data.