Perimeter Security Ltd are an Oxford based security company with over 12 years experience in the industry. We specialise in scaffolding and construction site security as well as other "difficult to secure" sites such as remote or vacant buildings where mains electricity and telephone lines may not be available. As an NSI acreddited company we also install conventional CCTV and intruder systems to the latest relevant standards. Our installation, maintenence and response teams now cover most of the UK.