Are you looking for an NSI certified company to install security systems for your office? Look no further than LanGuard Alarms. We understand the importance of safeguarding your business and that is why we offer intruder alarms that provide reliable protection to your commercial premises. In the last 40 years, we have developed the skill and the expertise required to fulfil the security requirements of large and small commercial spaces. You can rely on us for the design, installation and maintenance of commercial security systems.