Welcome to Alarm Supplies Ltd. With branches in Glasgow, Edinburgh, Carlisle, Newcastle, Liverpool, Aberdeen and Belfast, Alarm Supplies have grown into a major player in the Security Distribution sector in the UK.Strictly Trade Only, Alarm Supplies provide Security and Electrical companies with high quality security equipment from reputable security manufacturers such as Honeywell, Apollo, Pyronix, Texecom, Paxton etc. A full list of Security Manufacturers we deal with can be found here.