🧭   The Investigation Process

What Happens When a
Complaint Is Filed
The Investigation Process, Step by Step

Every Ontario regulatory investigation follows a broadly similar path, even though the specific rules differ by college. Here is that path laid out step by step, so you know what to expect next.

⚖️By Ryan Manilla, JD — Founder & Managing Lawyer
📅Updated September 2026
⏱️14 min read
📍Ontario Law
Ryan Manilla, Founder & Managing Lawyer
Ryan Manilla, BA, JD
Founder & Managing Lawyer · Barrister, Solicitor & Notary Public. Osgoode Hall & Harvard Law. Called to the Ontario Bar in 2008.
✓ Lawyer Reviewed
Quick Answer

An Ontario regulatory investigation generally moves through five stages: the complaint is received and screened; an investigator gathers information and documents; a committee reviews the investigation report; the committee decides on an outcome (dismissal, informal resolution, or referral to discipline); and, where referred, the matter proceeds to a formal hearing. The exact terminology and timelines vary by college, but this general structure is consistent across most regulated professions in Ontario.

📋 Key Takeaways
  • A complaint is typically screened before a full investigation is opened, to confirm it falls within the college's jurisdiction and raises a genuine issue.
  • Investigators can request documents, records, and statements, and may interview witnesses including the professional under investigation.
  • A committee — not the investigator alone — decides what happens after the investigation concludes.
  • Most complaints are resolved at the investigation stage without proceeding to a full discipline hearing.
  • You are generally entitled to know the substance of the complaint and to respond before a final decision is made.
  • Legal advice is most valuable early in this process, not after a referral to discipline has already happened.

The Short Answer

Ontario regulatory investigations follow a broadly consistent path across most self-regulating professions, even though the specific terminology and timelines vary by college. Understanding that path — screening, investigation, committee review, decision, and possible referral to discipline — helps take some of the uncertainty out of a process that can otherwise feel opaque and alarming.

Step 1: The Complaint Is Received and Screened

A complaint can come from a client, patient, student, employer, colleague, or member of the public. Before opening a full investigation, most colleges screen the complaint to confirm it falls within their jurisdiction and raises a genuine, substantive concern rather than, for example, a dispute better suited to another process entirely.

Step 2: Investigation

Where an investigation proceeds, an investigator gathers relevant information — this can include requesting documents and records, and interviewing witnesses, potentially including you. You are generally entitled to know the substance of what is alleged and to respond. See our detailed guide on how to respond to a college complaint for what a strong response looks like.

ℹ️ Your Response Becomes Part of the Record

Anything you say to an investigator, in writing or verbally, typically becomes part of the permanent investigation file and can be referred to later if the matter proceeds further.

Step 3: Committee Review

Once the investigation concludes, the investigator's findings are typically compiled into a report reviewed by a committee — a different body from the investigator, providing a layer of independent review before any decision affecting you is finalized.

Step 4: The Decision

OutcomeWhat It Means
DismissalThe complaint is closed with no further action.
Informal resolutionThe matter is resolved through agreement or a caution.
Remedial actionEducation, supervision, or similar conditions are agreed to.
Interim conditionsRestrictions placed on your practice while the matter continues — see our dedicated guide on interim conditions short of suspension.
Referral to disciplineThe matter proceeds to a formal hearing.

Step 5: Referral to a Hearing (If It Happens)

Most complaints do not reach this stage — the majority are resolved earlier in the process. Where a matter is referred, you will typically receive a notice of hearing outlining the specific allegations, and the matter proceeds to a formal hearing before a panel — see our guide on what happens at a professional discipline hearing.

Your Role at Each Stage

You have a genuine opportunity to shape the outcome at every stage of this process, not just at a hearing. Responding thoughtfully and completely at the investigation stage, cooperating properly with document requests, and getting legal advice early are the practical steps within your control throughout.

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Frequently Asked Questions

Who decides whether an investigation is opened?

A college typically screens each complaint to confirm it falls within its jurisdiction and raises a genuine concern before opening a full investigation.

Do I always find out I am being investigated?

In most cases, yes — colleges are generally required to give you notice of the substance of a complaint and a genuine opportunity to respond before a final decision is made.

Can an investigation happen without my knowledge?

Early information-gathering may occur before you are formally notified, but you are generally entitled to know the substance of the complaint and respond before any final decision affecting you is made.

What does the committee that reviews an investigation actually do?

A committee reviews the investigator's report and the evidence gathered, and decides the outcome — dismissal, informal resolution, or referral toward a formal discipline hearing. This is a different body from the investigator, adding a layer of independent review.

How often do complaints actually reach a hearing?

Most complaints are resolved at the investigation stage — through dismissal, informal resolution, or a caution — without proceeding to a formal discipline hearing.

What can I do to improve my outcome at the investigation stage?

Respond fully, accurately, and promptly, ideally with legal advice reviewing your response before it is submitted. A well-handled response at this stage is often the single biggest factor in how a matter ultimately resolves.


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