About CIS

CIS has supported UK businesses for over 35 years. We look after everyday IT, strengthen cyber security and plan system changes, with a team that gets to know how your business works.

Speak To Our Team View Services

CIS support engineer working at an office workstation

TW Business Advisors and Chartered Accountants

CIS technician configuring network equipment with a laptop

Managed IT support options

Support that fits your business.

Choose fully managed IT or add capacity to your own team. We’ll agree who does what and set out the improvements for the year ahead.

No in-house IT team?Fully managed IT support One provider takes responsibility for your agreed support, maintenance and improvement work.Have your own IT team?Co-managed IT support Add capacity and specialist skills, with a clear split of responsibility alongside your team.

A planned start. Progress you can measure.

Establish a baseline, work through agreed priorities and build a 12-month improvement plan with owners.

See your first 90 days with CIS

Support for today. A plan for what comes next.

Your team needs IT that helps them get work done. We resolve support issues, maintain your systems and help you decide which improvements deserve attention.

Our services cover managed IT support, Microsoft 365 and cloud services, cyber security, and backup and recovery. If you have an internal IT team, we can add specialist skills and capacity through co-managed support.

Speak To Our Team See Our Services

Our services

IT support, cloud and cyber security

Get help with everyday IT, protect your systems and plan the next change. Explore the services CIS provides.

AI Consultancy & Automation

Practical AI advice, Microsoft Copilot and workflow automation, with clear priorities, data controls and measurable outcomes.

View service

Cyber Essentials Support

Cyber Essentials and Cyber Essentials Plus preparation, remediation and evidence support for your business.

View service

Co-managed IT Support

Additional IT skills and capacity alongside your internal team, with clear responsibilities and shared priorities.

View service

Business Phones & Connectivity

Business phone systems and connectivity that keep office, remote and multi-site teams connected.

View service

Microsoft 365 & Cloud

Reliable cloud tools and secure remote access to support flexible working and efficient communication within your team.

View service

Backup & Disaster Recovery

Backup and recovery for business data and critical systems, supported by recovery planning and restore testing.

View service

Proactive monitoring & maintenance

Proactive monitoring and maintenance to identify issues early and keep business-critical systems running reliably.

View service

Cyber Security

Layered cyber security to protect business data, manage access and reduce exposure to threats across your organisation.

View service

Managed IT Support

Proactive IT support that identifies risks early, reduces disruption and keeps your people working, with clear ownership and a plan for improvement.

View service

Experience you can check

Give staff one route to IT help and make ownership clear across the systems your business relies on.

Everyday support: Help with the users, devices and applications covered by your service.
Monitoring and maintenance: Ongoing attention to agreed systems and investigation of recurring faults.
Clear responsibilities: Named contacts, escalation routes and an agreed split with other suppliers.
Planning and improvement: A starting baseline, agreed priorities and reviews of progress.

Know what you are buying before you commit.Your proposal sets out the users and systems covered, support hours, response and escalation arrangements, site visits and costs. Confirm any project work, licences and additional or out-of-hours cover in that scope.

See the handover and first 90 days with CIS

Client result: Everyday support developed into a paperless working project with five-figure printing cost savings for Richardsons Chartered Accountants.

Our client stories show what the work involves. Hutton Engineering describes proactive support and help during a server failure. BASEC explains how its CIS partnership improved the way its team works. John Welch & Stammers shares its experience of cloud access and recovery planning.

With offices in Faringdon and Birmingham, we support businesses across Oxfordshire, Buckinghamshire and the wider UK. Talk to us about your locations, your systems and what you need to improve.

Speak To Our Team See Our Services

CIS engineer working at a desk with two monitors

An excellent UK partner! As a managed service provider based in the United States, we sought an exceptional partner to co-manage the IT operations for our UK business entities. Following a thorough evaluation, we selected CIS, a distinguished UK-based managed service provider (MSP) and technology company, to collaborate with us in delivering primary IT care across the region.

Dan Reisig, VP of Technology & Innovation, UV&S