About Security Locksmith & Design

Security Specialists since 1950.

Located in Mississauga, Ontario, SLD offers nationwide Security Solutions through our extensive network of over 115 Security Centers across Canada. Our services cater to the specific needs of our commercial customers, providing tailored solutions regardless of scope or location. With our Security Solutions Specialists, clients receive prompt, professional door security services backed by over 70 years of industry experience. As a Medeco Security Center (MSC), we offer a comprehensive range of security options, including key-controlled access and advanced systems. Our 24/7 Service Coordinators ensure clear communication and responsive assistance. Trust SLD for dependable security expertise and unmatched service nationwide.

SLD staff are highly trained to handle any service request.
Our team includes experts in mechanical, electronic, electromechanical, and automated hardware services.