London Security plc is an investment holding company that manufactures, sells, and rents fire protection equipment. It also provides intruder alarm products and installation and maintenance services for fire protection equipment. The company operates in the United Kingdom, Belgium, the Netherlands, Austria, France, Germany, Denmark, and Luxembourg, and offers products under brands such as Nu-Swift, Ansul, Total, Premier, and Master to companies, governments, and private individuals. Formerly known as London Securities plc, it changed its name to London Security plc in 2003, was incorporated in 1897, and is based in Elland, United Kingdom. It is a subsidiary of EOI Fire SARL.