Core Security Systems Ltd has over 20 years experience within the integrated systems field specialising in on-line computerised access control systems, closed circuit television systems, remotelymonitored intruder alarm systems, advanced addressable fire alarm systems and entrance controls. With offices located in Upminster Essex, we are within easy reach of the City of London and home counties.
Hillis Security Systems Ltd is a service driven company with a strong emphasis on customer care. The company's position in the market has grown by earning a reputation for providing an excellent levelof service to our customers. We are successful because our customers trust our expertise and frequently recommend us to other businesses, family and friends for their security requirements.
ICOL SECURITY SYSTEMS is a well established (1984) and respected family run business operating from the London Borough of Havering. Covering an area of 25 mile radius from this point. Since 1984 wehave taken on a varied range of Domestic Industrial and Commercial Security projects. These are described on this web site. Security issues have moved and evolved greatly since 1984.
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