John Donnell's Contact Details

John Donnell's Company Details

CEM Systems

Belfast, Northern Ireland, United Kingdom • 33 Employees
Information Technology & Services

CEM Systems is a leading provider of access control and fully integrated enterprise security management systems. With 30+ years experience in the security and IT industry, CEM manufactures both the access control system hardware and software. This uniquely offers unparalleled levels of flexibility in selecting a complete access control solution to meet your security needs. Today, CEM Systems operates as part of Johnson Controls, a world leader in smart buildings, creating safe, healthy and sustainable spaces. With a global team of 100,000 experts in more than 150 countries, Johnson Controls offers the world's largest portfolio of building technology and software as well as service solutions from some of the most trusted names in the industry.