About Us Buchanan & Curwen Security based in Leatherhead, we specialise in the design and installation of electrical and security systems. Owing to our professional staff who have experience in all sectors of the industry, we are able to work for domestic, commercial and industrial clients. Our services include electrical engineers & contracting, security & access systems, fire alarms, design & installation, CCTV, gate automation.We pride ourselves on our willingness to recognise and interpret client requirements in order to offer a cost effective solution, no matter what size the project is. Contact us today or visit our website.