- Description
- Civilian law enforcement agency
- has jurisdiction over municipal, regional and provincial police officers in Ontario, as well as special constables employed by the Niagara Parks Commission and peace officers with the Legislative Protective Service, anyone the SIU is mandated to investigate is referred to as an 'official'
- investigates incidents involving officials where there is a serious injury, death, allegation of sexual assault or discharge of a firearm by an official at a person
- objective of every investigation is to determine whether there is evidence of criminal wrongdoing on the part of the official
First Nations, Inuit and Metis Liaison Program - geared to providing culturally sensitive guidance in the Unit's approach to incidents involving First Nations, Inuit and Metis persons or communities
Outreach Program - participates in community events and educational sessions
Director's Resource Committee (DRC) - helps address community concerns and assists the SIU to improve relations with the public
Independent of any police service and operates at arm's length from the Ministry of the Attorney General - Eligibility
- Any member of the public may report an incident
- Application Process
- Call or complete form online at website, email for general inquires
Affected Persons Program -- referrals generally made at start of investigation but any affected person can call at any time - Documents Required
- No documents required
- Toll Free
- 1-800-787-8529
- Office
- 416-622-0748 - 416-622-OSIU
- Web Site
- https://www.siu.on.ca
- [email protected]
- Mailing Address
- 5090 Commerce Blvd
Mississauga, ON, L4W 5M4
Canada - Languages
- English, French
- Contact
- Anna Postiglione, Receptionist
- Fees
- None
- Topic(s)
- Social Media
- Agency Information
- View Agency Profile
- Last Updated On
- March 25, 2026
- Last Verified On
- February 6, 2025
- Address
- 5090 Commerce Blvd
Mississauga, ON, L4W 5M4
Cross street: Matheson Blvd E and Commerce Blvd
Open in Google Maps - Accessibility
- Unknown; contact for information
- Hours of Operation
- Mon-Fri 9 am-4:30 pmMon9:00 am to 4:30 pmTue9:00 am to 4:30 pmWed9:00 am to 4:30 pmThu9:00 am to 4:30 pmFri9:00 am to 4:30 pm
Affected Persons Program -- Mon-Sun 24 hrs - Service Area(s)
- Ontario
