Welcome to S.E.M. Security Systems your full service Electronic Security Company serving New York and New Jersey for all your Home and Business needs. We are experts in designing, installing and Monitoring, Burglar Alarms, Security Systems, Certified in Fire Alarms, Camera Systems, CCTV, Access Control, and more.
Here at S.E.M. every customer gets individual attention, a reputation we are proud of. That’s why we were chosen to protect many large companies in New York and New Jersey.
Our relationship-focused approach means we will be there to ensure that your security system remains a perfect fit, as your needs and technologies may change over time.