12 Still not satisfied? The Ombudsman for Banking and Investments (OBSI) An independent ombudsman has been appointed to serve the interests of clients of Canadian banks and investment firms. If you are not satisfied with our Ombudsman`s response, you can forward your complaint to obsi. While we expect us to resolve your complaint within 90 days, you may address your complaint to OBSI if our efforts could not be resolved during this period. Mail Ombudsman for Banking Services and Investments 401 Bay St. Suite 1505 P.O. Box 5 Toronto, ON M5H 2Y4 Fax Telephone Contact the Financial Consumer Agency of Canada (FCAC): The FCAC supervises state-regulated financial institutions to ensure they comply with federal consumer protection laws.