Monitor Computer Systems has been a leading supplier of alarm monitoring software since its founding in 1984. The Sentinel Plus software suite provides a single integrated platform for the monitoring of alarm panels, video systems, environmental monitoring, GPS tracking and lone worker devices.

Our headquarters are located on the outskirts of York within easy reach of the motorway and rail networks. Our customers are supported 24 hours a day by a team of IT professionals.

In the 28 years we have been providing state of the art alarm management systems to the alarm industry, we have gained around half of the UK and Irish alarm monitoring markets. The Sentinel Plus system complies with all British, Irish, European and US standards, and we have customers in all these regions.  Our customers include banks, local authorities and the police, as well as traditional alarm companies.

Monitor Computer Systems works closely with other major alarm industry suppliers to bring our customers a full range of integrated solutions. This allows our customers to provide additional services in the most efficient manner possible. The company is widely respected for the quality of its products and services. References are readily available on request.

Below are just some of Monitor's customers: