London Security plc is an investment holding company. The Company, along with its subsidiaries, is engaged in the manufacture, sale and rental of fire protection equipment, and the provision of associated maintenance services. It is engaged in the fire security industry. It provides fire protection through its presence in the United Kingdom, Belgium, the Netherlands, Austria and Luxembourg. It offers a range of brands, such as Nu-Swift, Ansul, Total, Premier and Master. Its subsidiaries include Alarm Masters S.A., All-Protec N.V., A.L.P.I. sarl, Ansul B.V., Ansul Solutions B.V., Ansul S.A., Ansul Belgium S.A., ASCO Extinguishers Company Limited, Braco B.V.B.A., Blesberger G.m.b.H., Braho Brandpreventie B.V., DC Security B.V.B.A., Dimex Technics S.A., Fire Protection Holdings Limited, GC Fire Protection Limited, GFA Premier Limited, Hoyles Limited, Hoyles Fire & Safety Limited, Importex S.A., Le Chimiste Sprl, L. W. Safety Limited, NL Brandbeveiliging B.V. and Luke & Rutland Limited.