The Ministry of Government and Consumer Services provides information on consumer rights: how to complain when you're not treated properly; how to deal with collection agencies; how to protect yourself when contracting for services such as home renovations, water heater rentals, and motor vehicle purchase and repair; how to cancel a contract, and many other topics.
Please note that walk-in / counter advice is not available. To file a consumer complaint with Ministry visit: https://www.ontario.ca/page/filing-consumer-complaint