Complaints Against Licensed Engineers or Companies

Consistent with PEO’s regulatory mandate, the complaints process is intended to deal with the actions and conduct of practitioners, to ensure the public interest is served and protected.

Make a Complaint

This form is to be used to file a complaint regarding the professional conduct of an engineering practitioner (professional engineer (P.Eng.), limited or temporary licence holder or a Certificate of Authorization (C of A) issued by PEO).

Make a complaint: What you need to do to begin the complaints process

  1. Complete and sign the Complaint Form. If your concerns involve more than one practitioner, a separate form is required for each practitioner.
  2. Attach a copy of any documents that are relevant to your complaint. Please note that additional supporting documentation can be submitted during the course of the complaint investigation.
  3. Send the completed Complaint Form and copies of related documents by email: [email protected] 
  4. If you have any questions about PEO's complaints process, please contact us:

    Telephone: 416-224-1100 or 800-339-3716
    Email: [email protected] 


Confidentiality of your complaint

PEO cannot guarantee that the information you provide, or the information we obtain from other parties during the course of our investigation, will remain confidential. Complained against licensed engineering practitioners are provided some or all of the information obtained during the investigation.

If a complaint is referred to Discipline, you, as the complainant, are not a party to the proceedings. Discipline proceedings and exhibits are generally considered public.


Additional Information 

Contact us about complaints regarding a licence or certificate holder

[email protected]

Monday through Friday
9 a.m. to 5 p.m.

40 Sheppard Avenue West, Suite 101
Toronto, ON, M2N 6K9