Companies

Related information

Reporting issuers list Refilings and errors list

The Ontario Securities Commission (OSC) regulates companies that offer securities for sale to the public in Ontario. It monitors compliance with the requirements of Ontario’s Securities Act, as well as with any related rules and policies of the OSC. It also monitors compliance with rules governing take-over bids and special transactions.

Selling securities in Ontario

Find the rules and policies that govern the selling of securities in Ontario and information on how to file a prospectus.

Continuous disclosure

All businesses that sell securities in Ontario are subject to ongoing disclosure requirements. These requirements include the need to comply with International Financial Reporting Standards (IFRS).

Resources for companies

Resources for issuers and their advisors, including publications and information on seminars.

Industry-specific disclosure requirements

Ontario has additional disclosure considerations for companies in the mining, oil and gas, fintech, and cannabis industries.

Insider reporting

An insider of a company that sells securities to the public is generally required to file reports disclosing information that includes transactions involving the company's securities.

Mergers and acquisitions

Take-over bids and hostile takeovers are regulated by securities law in Ontario. Learn more about these laws and how the OSC regulates mergers and acquisitions.

Filing guidance

Guidance for issuers and their advisors relating to filing of applications, prospectuses, participation fee forms and SEDAR+.

The OSC’s Corporate Finance Branch releases annual reports, which include information about filing prospectuses. These are available dating back to 2001.