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CMS Group Ltd

Technology Management Consultancy. Technology, run with intent. Since 1990.

0203 404 4700hello@cms-group.net
United Kingdom

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Locations

  • London
  • Manchester
  • Birmingham
  • Leeds
  • Bristol
  • Edinburgh
  • Scotland
  • North West

Industries

  • Hospitality
  • Legal
  • Finance
  • Healthcare
  • Manufacturing
  • Other sectors?

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ISO 27001

Certified

ISO 9001

Certified

Cyber Essentials Plus

Accredited

Lyra Technology Group

Member

© 2026 CMS Group Ltd. All rights reserved.

Registered in England and Wales · Company no. 02513535

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IT Services in

London

IT Services & Support in London

Enterprise-grade managed IT services for London businesses, from the Square Mile to Shoreditch

London businesses face unique challenges: demanding clients, intense competition, and the need to stay ahead of the technology curve. CMS Group provides the reliable, scalable IT foundation that London enterprises need, backed by 24/7 UK-based support.

Speak to a London SpecialistTake Free IT Maturity Audit

Supporting businesses across London with 24/7 UK-based IT support.

Proof points

24/7/365

Support coverage

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First-contact resolution

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Rated excellent

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Client retention

Multi-decade partnerships

Part of Lyra Technology Group. Local partnership with the depth of a broader operating group.From hospitality to healthcare, manufacturing to professional services.

Our Services

IT Services Available in London

Comprehensive technology management covering operations, security, modernisation, and strategic transformation.

Operate

24/7/365 IT SupportRound-the-clock support with 18-second average response time
Service Desk & User AdministrationStarters, leavers, and everything in between
Technical ServicesInfrastructure expertise when you need it most
Field EngineeringNationwide onsite support when remote isn't enough
Co-Managed ITAugment your team with specialist capability
ISP & Vendor ManagementWe manage your suppliers so you don't have to

Secure

Security Operations (SOC/SIEM)24/7 threat monitoring and incident response
Vulnerability ManagementFind weaknesses before attackers do
Endpoint ProtectionAdvanced threat protection for every device
Security Awareness TrainingYour people are your first line of defence
Identity & Access ManagementThe right people with the right access
Data Protection & DLPProtect your most valuable asset

Modernise

Microsoft 365 & AzureCloud productivity and infrastructure, expertly managed
Cloud InfrastructureModern infrastructure for modern business
Network & ConnectivityThe backbone of your digital operations
Endpoint Management (MDM)Control and secure every device
Backup & Disaster RecoveryProtect your business from data loss
Server & StorageOn-premises infrastructure, expertly managed

Transform

Strategy Roadmaps36-month rolling IT strategy aligned to your business
vCIO ServicesExecutive IT leadership without the executive cost
Process AutomationEliminate manual work, accelerate your business
Data Analytics & ReportingDecisions driven by data, not gut feel
Bespoke ApplicationsCustom solutions for unique challenges
AI & Emerging TechnologyPractical AI for real business outcomes
View All Services

Why Choose Us

Why London Businesses Choose CMS Group

24/7 UK-Based Support

Round-the-clock support from our UK team with 18-second average response times. No overseas call centres.

Nationwide Field Engineers

When remote isn't enough, our field engineering team provides professional onsite support across London.

Security First

Cyber security built into everything we do. SOC/SIEM monitoring, penetration testing, and compliance support.

Strategic Partnership

More than just IT support. We provide vCIO services and strategic roadmaps aligned to your business goals.

We also provide IT services across the wider South East England region.

View IT Services in South East England

Ready to Transform Your London Business IT?

Our team is ready to discuss your specific challenges. Let's explore how CMS Group can support your organisation in London.

Take the maturity auditSpeak to the team

100+ organisations on the model. Multi-decade partnerships, not transactional contracts.

2-minute assessmentInstant resultsIndustry benchmarksNo commitment