Secure. Supported.
Always on.
For over -21 years CNS has kept small and medium sized businesses running, with a 24/7 helpdesk, rock-solid security and engineers who know networks inside out.
Need help now? Call 020 8294 3000
Your IT, monitored
All systems operational
- Nightly backupsCompleted
- Security patchesUp to date
- Microsoft 365Healthy
- Network & firewallOnline
Engineer on call
24 hours a day, 365 days a year
-21+
Years in business
24/7
Helpdesk cover
20+
Year client relationships
24
Areas covered on site
Working with technology from industry leaders
Everything your business needs from IT
One trusted partner for support, security, cloud and infrastructure, so you can focus on running your business.
24/7 Support Helpdesk
You get all the benefits of a professional IT department with none of the overhead. Call, email or request a remote session and an experienced engineer picks it up, day or night.
- Fixed monthly cost
- Remote and on-site support
- Proactive monitoring and patching
How a support call works
You call or emailEngineer picks it upFixed remotely or on site
Microsoft 365 & Cloud
Email, Teams, OneDrive and SharePoint, set up and managed properly.
Learn moreNetwork Security
Firewalls, endpoint protection and sensible policies that keep threats out.
Learn moreBackup & Disaster Recovery
Online backup and tested recovery plans so you are never caught out.
Learn moreRemote Working
Secure access to your systems from home, the office or on the move.
Learn moreBusiness Telephony
Modern phone systems that work alongside the rest of your IT.
Learn moreNetworks & Cabling
Reliable wired and wireless networks, installed and maintained.
Learn moreAffordable, Flexible Pricing
Pay only for what your business actually needs.
Learn moreSimple, proactive, dependable
- 01
Assess
We review your current systems, risks and goals, then recommend what you actually need.
- 02
Onboard
We document everything, tidy up security and set up monitoring, with minimal disruption.
- 03
Support
Your team calls one number, any time. We fix issues remotely or on site, fast.
- 04
Improve
Regular reviews keep your IT secure, up to date and ready for growth.
Trusted for decades, not months
“From the moment you call them they spend their time sorting out your problem and they really know what they’re talking about when it comes to networking, which is a rare skill.”
“We have found that CNS have a rare mix of being very professional and competent, whilst also being easy to deal with.”
“CNS are available whenever we need them and have always proved thoroughly competent and professional. We highly value their support, assistance and guidance.”
On site across London and the South East
Remote help in minutes, and engineers at your door when you need them. CNS provides dedicated 24/7 support to businesses throughout the region.
- London
- Blackheath
- Eltham
- Mottingham
- Dartford
- Bromley
- Lewisham
- Lee
- Gravesend
- Greenwich
- Chislehurst
- Petts Wood
- Beckenham
- Hayes
- Bickley
- Catford
- Bexley
- Sidcup
- Dulwich
- Orpington
- Croydon
- Swanley
- Bexleyheath
- Belvedere
Ready for IT that just works?
Talk to an engineer today. No hard sell, just straightforward advice from people who have been doing this since 1991.