We have been trading in Northern Ireland since 1979 during which an impressively large and loyal client base has been established with thousands of satisfied customers throughout the Province. Our trained security system engineers are here to help you with specialist systems designed (and custom manufactured) to meet your particular individual needs. Our engineers have the training, support and insurance to complete their duties - and we do not employ sub contractors! Capital Alarms is a Northern Ireland based company which is NACOSS approved and certified to (ISO9002 Quality Assurance).