Intruder Alarm Systems are Sheffield and Chesterfield's premier National Security Inspectorate (NSI) Gold company - independently approved installers of both monitored and audible security solutions to the most demanding domestic and commercial customers. We have over 25 years experience in the installation, service and repair of all types of alarm system. Intruder Alarm Systems can help you secure your site quickly, we are BT Redcare partners, so able to offer the complete Redcare range of remote signaling devices - often within 48hrs.
Intruder Alarm Systems are the premier local "NSI approved" installer, NSI approval means not only can you be sure the company meets the highest industry standards for engineering but this also carries forward into the administration and backup operations. We pride ourselves on being an independent company where the owner is available 24hrs a day to answer your problems, where our years of on site experience ensure minimum disruption and where we know every customer by name. By never having less than two engineers available for emergency callouts and by working in or around Sheffield, Chesterfield, Rotherham and the Peak District, we're confident that when you need us most we will be with you straight away.
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