The Ontario Securities Commission administers and enforces securities law in the province of Ontario. Our mandate is to provide protection to investors from unfair, improper and fraudulent practices, and foster fair and efficient capital markets and confidence in capital markets

What's New

Quick Links

Instruments, Rules & Policies

Proposed and final securities instruments, rules and policies overseen by the OSC.


Information regarding OSC efforts to protect and raise awareness among investors.


Frequently asked questions about investing in the market and the securities industry.

Check Registration

Search to determine of if an individual or firm is registered in Canada.

Dealers, Advisers and Investment Fund Managers

A basic outline of how the OSC regulates and works with Dealers, Advisers and Investment Fund Managers. 

Questions & Complaints

How investors can reach the OSC to get help regarding a company, product or individual.

OSC’s Electronic Filing Portal

Documents for filing electronically through the OSC's web filing portal.

Marketplaces, SROs & Clearing Agencies

Information on how the OSC oversees marketplaces, SROs, clearing agencies, and investor protection funds in Ontario.

Working at the OSC

Learn more about career opportunities at the OSC.

OSC Bulletin

The official record of the activities of the OSC, published weekly online.


A basic guide including how to comply with Ontario securities law and file certain documents with the OSC.

Investor Warnings

Information about individuals and companies that appear to be engaging in activities that may pose a risk to investors.