Security Companies & Services in Thornton Heath

List of Thornton Heath based security companies offering private detective and investigation services, CCTV camera system, burglar and intruder alarms installation services.

Business Listings

Huge discounts on monitored security & burglar alarm systems for home and commercial premises. Professional Installation and Service at unbeatable prices


A Detective Agency available for all types of private/commercial investigations, to the public, v.i.p.'s and celebrities. Always Confidential & Discreet. We have been Established since 1999, and are an approachable, efficient & discreet private detective agency with competitive rates. Confidentiality gauranteed. For the General Public: No request is too unique. Whatever your enquiry, Expedite D.A.


Providing Security Services is more than our business. It is a trust placed in us by our customers. Our primary mission is meeting the responsibility of that trust with dedication, professionalism and integrity. Mercantile Security Services Limited was formed to provide professional trained Security Officers to a wide range of Business Customers.



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