DENBY Security Services originally started as a specialist security company, mainly concentrating on VIP/ protection, covert surveillance, and other high profile, assignments. Then seven years ago due to our quality of service, by client request, and to compliment our other portfolios we introduced our Patrol dog section. Yet another specialist service. Once well established as a specialist company we were then asked to perform other more basic but essential duties such as Man guarding, Mobile patrols, retail security etc.