In Ontario, wrongful dismissal occurs when an employer terminates an employee without cause and without providing proper notice or compensation in lieu of that notice.
It is not about whether the firing was fair, kind, or justified. It is about whether you were properly compensated when it happened.
Simple example: Sarah has worked at a marketing firm for 9 years. She is called into a meeting on a Tuesday and told her position is eliminated. She is offered 4 weeks of pay and asked to sign a release by Friday. Under Ontario law, Sarah may be entitled to significantly more — both under the ESA and common law. If she signs and accepts the 4 weeks, she has likely settled a wrongful dismissal claim without knowing it existed.
What It Is Not
Wrongful dismissal is frequently confused with these situations — but they are different:
Unfair dismissal — Your employer can let you go for almost any reason without cause, as long as they pay you properly. Feeling the decision was unfair does not automatically make it wrongful.
Constructive dismissal — This is a related but separate claim. It occurs when an employer makes your working conditions so intolerable — or changes your job so drastically — that you are effectively forced to resign. The law treats it as a dismissal even though you technically quit.
Just cause termination — If your employer had genuine just cause — serious misconduct, theft, fraud — they can dismiss you without notice or pay. But just cause is a very high legal bar. Most employers who claim it cannot prove it.
What Employers Must Do
Provide proper notice or pay in lieu — When terminating without cause, employers must give the employee working notice or pay them instead. The amount is determined by the ESA and common law.
Meet ESA minimums at a bare minimum — Termination pay and severance pay under the ESA are non-negotiable floors. Offering less is a clear violation.
Do not rush the release — Presenting a release with a 24 or 48 hour deadline and pressuring an employee to sign is problematic. Employees are entitled to reasonable time to seek legal advice.
Be honest about the reason — Disguising a discriminatory termination as a restructuring, or fabricating performance issues to justify just cause, exposes the employer to significantly greater liability.
Document everything — If just cause is claimed, it must be documented and provable. Courts do not accept vague or after-the-fact justifications.
What Employees Must Do
Do not sign immediately — A release signed under pressure, without legal advice, is the most common way employees lose their wrongful dismissal claims before they even start.
Mitigate your losses — Once terminated, you have a legal duty to take reasonable steps to find new employment. If you sit idle and refuse suitable job opportunities, a court may reduce your damages. Keep records of every job application and interview.
Act within the limitation period — In Ontario, you generally have two years from the date of termination to commence a wrongful dismissal claim. Do not let time run out.
Do not exaggerate the claim — Courts expect honest, documented claims. Overstating damages or misrepresenting facts weakens your credibility and your case.
A Second Example — Just Cause Gone Wrong
Michael, a warehouse manager, had one heated argument with a coworker after years of clean performance reviews. His employer terminated him the next day claiming just cause — offering nothing. Michael consulted a lawyer who assessed his common law entitlement at 10 months. Because the employer could not prove just cause for a single isolated incident without prior warnings, Michael was awarded full compensation. The employer’s attempt to avoid severance cost them far more than a proper without-cause package would have.
The bottom line: Wrongful dismissal is not about hurt feelings — it is about whether you received what the law says you are owed when your employment ended. If the answer is no, you have a claim. The question is whether you act on it before signing it away.
