• Over 35 years helping clients
  • 24/7 Support
  • Vast knowledge and experience
  • On-site support £3.00 per week
  • Repairs, upgrades, optimisation
  • We re-build, we don't wipe systems
  • Disaster recovery and fraud prevention
Free Consultancy worth £358
  • 10 point check
  • 2 hours on site
  • No obligation
  • Full written report
More Choice
  • Microsoft Servers
  • Low cost Linux Servers
  • Virtual Servers
  • Branded and "free" Open Source software
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There is no one like CMX Computing, we have been providing computer sales and support to businesses throughout Essex and Suffolk for over 30 years.

We are unique because of our depth of business and computer knowledge and experience. We tailor our sales and support packages to your needs whether your system is a single computer or a Microsoft or Unix server you can be sure that CMX has the knowledge and expertise you need. From a simple repair to complex networks and cabling. It doesn’t matter whether you are a small business or use a large network we can provide all your IT services. If you only need computer support services then we can provide this too.

  • We aim to build long-lasting business relationships with our clients, and we only do this through our client’s perception of value and satisfaction. We work with our clients and not just for them.
  • CMX Computing is one of the largest computer business systems companies in the area and has a reputation for quality and service. CMX provides full pre-sales advice, consultancy, after sales computer support, and we can supply all the client’s needs with Hardware, Software, Training, technical support, disaster recovery, Repairs, consumables and maintenance.
  • CMX Computing are dealers for virtually every major brand including HP, Lenovo, IBM, Fujitsu, Toshiba, Canon, Epson, Hewlett Packard and Kyocera hardware with Sage, Lotus, and software products which is a small selection of our extensive range. We are a Microsoft and ESET anti-virus Business Partner.
  • We also support a wide range of networking products including Microsoft, Linux and Unix small business servers. We are experts in single, virtual and multiple network environments, We can do everything for your network, even down to the network cabling.

Please view the below company video

Hardware and Software

CMX Business Computing Hardware and Software
  • Windows PC’s laptops. Apple systems
  • New or refurbished, save upto 80%
  • Buy or lease-purchase
  • Find out More


CMX Business Computing Servers
  • IBM / Lenovo / Fujitsu / Siemens
  • Microsoft and Linux servers
  • CMX own brand servers, excellent value for money
  • Bespoke design using Intel processors, motherboards, and cases
  • Find out More

Support Packages

CMX Business Computing Support Packages
  • On-site support from £3 a week
  • On-site maintenance
  • Virus removal
  • Loan replacement equipment
  • Find out More

Success Stories

Success Stories CMX Business Computing