Surveillance Contacts

121 King St. West,
Suite 2000
Toronto, ON M5H 3T9

Suite 2800, Royal Centre
1055 W. Georgia Street
P.O. Box 11164
Vancouver, BC V6E 3R5

Contacts for Issuers

Vetting of press release

Submit your press release for review

Requesting trading halt

For a security listed on the Toronto Stock Exchange or NEO Exchange Inc.
Telephone: 416-646-7220
Fax: 416-646-7263

For a security listed on the TSX Venture Exchange or the Canadian Securities Exchange
Telephone: 604-643-2792
Fax: 604-643-2799

Contacts for Dealer Members

Market Surveillance Toronto
email: [email protected]
Telephone: 416-646-7220

Market Surveillance Vancouver
email: [email protected]
Telephone: 604-643-2792

Debt Surveillance and Fixed Income Trade Reporting
email: [email protected]
Telephone: 416-943-5861

IIROC records all calls to and from Market Surveillance team telephone lines.​ ​

​Privacy concerns or inquiries

Email: [email protected]

Complaints and Inquiries

General inquiries about equity or fixed income trading issues including trading halts, resumptions or unusual trading, or to file a complaint

email: [email protected]
Telephone: 1-877-442-4322

IIROC records all calls to and from Complaints & Inquiries team telephone lines.

Welcome to!

We have a new look! You can find the Canadian Investment Regulatory Organization (CIRO) at with our fresh look and feel.

You can now find new publications published by CIRO since January 1, 2023 on If you are looking for past notices or bulletins published by MFDA or IIROC, you can find those on our legacy websites. Enforcement related content will continue on those websites as well.

You can now find previous Annual Reports and Enforcement Reports on, along with Halts and Resumption, and our ePublications sign up (for all previous MFDA and IIROC subscriber lists).

We will continue moving items off MFDA and IIROC in 2023/2024. Stay tuned for future updates.