Business IT Support

Business IT Support. Mainframe IT gladly serves all of West Sussex’s boroughs! Being a prominent West Sussex IT firm necessitates a consistent focus on our customers and exceeding their expectations on a daily basis! We’re more than simply a technical support firm; we’re your West Sussex partner for outsourced IT services and IT support solutions. Allow us to handle your computer services and support so you can focus on expanding your company!

You acquire an extension of your management team when you work with Mainframe IT. Our expert IT experts will collaborate with your team to fully comprehend your present company procedures and objectives. We’ll be able to design a tailored strategy that smoothly matches your technology with your business goals by doing a needs assessment and gap analysis.

We know that our highly qualified IT consultants are not only up to date on technological advancements, but also have the knowledge necessary to predict where the industry is headed. We employ technology and provide IT consulting services to help you take your company to the next level. We are a frontrunner in IT consulting because of our respected industry experience and great customer service.


Mainframe IT recognizes the importance of network services to your company’s success, and our trained and experienced experts are here to assist you in keeping your business running smoothly. We provide a wide range of network services, including the following:

  • Network Evaluations
  • Ongoing Technical Support Infrastructure Design Project Management
  • Upgrades to the Network
  • Maintenance that is ongoing
  • Relocation of the Network
  • Microsoft Servers

We have the competence to take your project from start to finish, whether you want to expand your present network or create a newly designed one. We work with various types of contractors and have experience with commercial and campus settings, network upgrades, and renovations.


You can expect our skilled and trained specialists to recommend the most efficient and up-to-date security technology that won’t break your budget when you use Mainframe IT’s outsourced security services. We will take the time to understand your security concerns and discuss with you the choices that best meet your needs, whether it’s remote monitoring to immediately thwart attempted security breaches or the installation of surveillance cameras in the workplace. We understand that network security is critical to your company’s success; that’s why we examine every area of your IT system to identify the weak connections that could lead to security breaches.

Don’t wait until your business has been hacked or infected with a computer virus that has brought everything to a standstill. Call today to schedule a private consultation with one of our IT security experts.

Our Services

  • 24/7 Remote Monitoring
  • Weekend and out of hours support options
  • Proactive Desktop and Server Management
  • Strategic Planning
  • Backup and Recovery
  • Email and Virus Protection
  • Cloud and Onsite Solutions
  • Ensuring IT network reliability and peak performance
  • We save you money by keeping your company up and productive
  • Have peace of mind knowing that your IT is secure and protected
  • Direct access to a dedicated team of specialists with industry experience
  • Onsite and Remote Support
  • Remote Backup and Data Protection
  • Management and maintenance of network infrastructure
  • Email and hosting services
  • Microsoft server solutions
  • Apple Mac support and integration
  • Cloud migrations to Office365 and other cloud services