Jani-King of Southern Ontario is the leading commercial cleaning franchise serving Toronto to Niagara Falls since 1969. With 50+ years of experience and 99% client retention, we provide professional janitorial services, disinfection, floor cleaning, carpet cleaning, eco-friendly cleaning, and post-construction cleanup. Our proven Quality Assurance systems deliver consistent, reliable results for 1000+ happy clients. From corporate offices to specialized facilities, we're your trusted cleaning partner with unmatched value and worry-free service. Contact us for dependable commercial cleaning solutions across Southern Ontario.