Why Alliance Security Systems? Uniquely Canadian With over 50 years of experience serving our satisfied customers, Alliance Security has built a uniquely Canadian reputation for quality. Uniquely Qualified Alliance is a full service security company certified by the Underwriters Laboratories of Canada (ULC). As a ULC-approved company, we are qualified to provide security certificates for high-risk properties. Our adherence to stringent, ULC-approved standards of installation and service set the benchmark of quality in the security industry. Uniquely Affordable Is there pre-existing security equipment in your home or business? Alliance won’t railroad you into purchasing proprietary equipment. We respect your investment and can integrate new technologies with your current system to maintain safe and innovative security solutions for your home or business. Combined with our 24/7 monitoring support, it’s complete peace of mind, made affordable. Proudly Servicing Southern Ontario!