M Sauer Security Unlimited with its three distinct divisions offers an array of solutions to meet all your security needs. Providing security solutions in Maryland and neighboring states since 1976 to homeowners, non-profit institutions, businesses, and government facilities, M Sauer Security Unlimited has grown to become the #1 choice in the Baltimore - Washington Metropolitan area.

​

Thousands of customers have chosen M Sauer Security Unlimited to protect their homes, businesses, and places of worship due to our reputation and capability to provide security services. While including traditional burglar alarm and video surveillance camera services, our company goes creatively beyond these means to provide specialized services such as: voice medical alerts and panic buttons for the elderly, and monitoring and notification for boat owners, letting them know if their boat is taking water or leaving the dock without your permission!