Since our founding, Guardian Systems of Maine has grown to become Portland’s most trusted source of reliable and cost-effective security solutions. We are thought leaders in our industry, and work actively within our community to promote awareness and understanding of best security practices for businesses. From fire alarms to security systems to hazard detection to high-tech access controls, we guarantee the highest level of quality on all installations, repairs and maintenance rendered. Our extensive expertise allows us to work with greater efficiency and efficacy than anyone else in the region, allowing us to pass the savings in labor costs onto our customers. We strive to foster long-lasting relationships based on trust. Get in touch with us today to receive your free estimate or to simply learn more about what we do.