Dismissal for Cause — Ontario Employment Law
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About Dismissal for Cause
In Ontario employment law, a "dismissal for cause" is often considered the capital punishment of the workplace. It occurs when an employer abruptly fires a worker without providing notice, severance pay, or benefits continuation, alleging that the employee's conduct has irrevocably destroyed the employment relationship. Because the financial and reputational consequences for the worker are severe, Ontario courts place a heavy burden of proof on the employer to justify this action.
The central pillar for evaluating these disputes is the principle of proportionality, famously affirmed in the Supreme Court decision McKinley v. BC Tel. Under this standard, courts do not simply ask if an employee made a mistake or broke a rule; they examine whether completely severing the employment relationship without compensation was a proportionate response. A judge will evaluate the nature of the misconduct against the employee's age, tenure, disciplinary history, and role. While theft, extreme dishonesty, or severe breaches of confidentiality may justify immediate dismissal, a single uncharacteristic error by an employee with nine years of clean service generally will not.
It is also critical to understand the distinction between common law cause and the standard established by Ontario's Employment Standards Act, 2000 (ESA). To withhold an employee's minimum statutory termination and severance pay under the ESA, the employer must prove the worker engaged in "wilful misconduct, disobedience or wilful neglect of duty that is not trivial and has not been condoned." This requires proof of intentional fault. An employee who is simply incompetent or makes an accidental error might face dismissal for cause under common law, but still be legally owed their absolute minimum statutory ESA entitlements because their actions were not deliberate.
Employers sometimes rush to dismiss an employee for cause following a flawed, biased, or non-existent investigation. If an employee challenges the dismissal and a court rules the employer lacked cause, the result is a wrongful dismissal. The employee is then entitled to financial damages for reasonable notice. Furthermore, if the employer alleged cause in bad faith or conducted an abusive investigation, the court may award additional aggravated damages for mental distress. Given the complexities of proving proportionality and exposing inadequate investigations, having a legal professional review the specific facts of your departure is deeply encouraged to ensure your rights are protected.
Frequently Asked Questions
Does my employer need to give me written warnings before a dismissal for cause?
In most cases, yes. The principle of progressive discipline requires employers to warn employees about unacceptable behaviour and provide a chance to improve before resorting to dismissal. However, exceptionally severe misconduct, such as theft, violence, or gross breaches of fiduciary duty, can justify immediate dismissal without prior warnings.
Can I collect Employment Insurance (EI) if I was dismissed for cause in Ontario?
Service Canada generally disqualifies individuals from receiving regular EI benefits if they lost their job due to "misconduct." However, Service Canada conducts its own independent fact-finding review to determine if the behavior truly meets their definition of misconduct, meaning you could still be approved even if your employer claims they fired you for cause.
What happens if a court determines my employer's investigation into my conduct was biased?
If an employer grounds a dismissal for cause in an incompetent, biased, or unfair investigation, a court will likely strike down the dismissal. This turns the termination into a wrongful dismissal, entitling you to severance. Additionally, courts can award aggravated damages against the employer for the mental distress caused by the unfair process.
How long do I have to fight a dismissal for cause in court?
Under Ontario's Limitations Act, 2002, you generally have exactly two years from the date of your dismissal to formally file a lawsuit against your former employer for wrongful dismissal. Missing this deadline usually permanently bars you from seeking your notice paid or other damages.
Is performance management a valid reason for immediate dismissal for cause?
Mere poor performance or incompetence rarely meets the threshold for a dismissal for cause. Unless the employer can prove that the poor performance amounted to deliberate, wilful neglect of duty after repeated clear warnings, they must generally provide standard notice or severance pay.
When is the right time to speak with a lawyer about being fired for cause?
You should seek legal counsel immediately after receiving the termination letter, ideally before agreeing to any terms, returning company property, or communicating further with the employer. A lawyer can immediately demand a preservation of evidence relating to any workplace investigations and assess whether the employer's penalty was strictly proportionate.
Common Scenarios
- A financial planner with 15 years of flawless service commits a procedural error regarding client funds. The employer conducts a hasty, biased investigation and issues a dismissal for cause. A court later overturns this, finding the penalty disproportionate and awarding the employee 16 months of severance plus bad faith damages.
- An HR manager is discovered accessing confidential personnel records for personal use and lies about it repeatedly when confronted by management. Because trust is paramount in the HR function, the employer's dismissal for cause is upheld, as the dishonesty irreparably broke the employment relationship.
- A senior executive decides to quietly solicit the company's major clients while actively setting up a competing business. The company discovers the diverted corporate opportunities and summarily dismisses the executive for breaching their duty of fidelity and fiduciary obligations, a decision fully supported by the courts.
- A retail worker is fired for cause after a drawer comes up short by fifty dollars. The employer withholds all pay. The worker successfully claims their ESA minimum termination pay because the employer could not prove the shortage was due to "wilful misconduct" rather than a simple math error.
What You Should Know
- Do not panic and sign a "release" or acknowledgement of the allegations on your way out the door; you have the right to take all termination documents home for private review.
- Request in writing a complete copy of your personnel file, including all performance appraisals and disciplinary notes, as the employer will need to rely on these to establish a pattern of misconduct.
- If your employer claims cause based on an internal investigation, explicitly ask for a copy of the final investigation report to determine if you were given a fair chance to respond to the allegations.
- Remember that the burden of proving misconduct rests entirely on the employer; having a knowledgeable advocate cross-examine the employer's evidence often reveals that the dismissal was driven by cost-cutting rather than actual cause.
Featured Cases
Silva v. Royal Bank of Canada
2026 ONSC 3841 (CanLII) · 2026-06-30Silva v RBC: 16 Months Notice for Wrongful Dismissal
This wrongful dismissal case involved a financial planner terminated for alleged cause, which the court set aside after finding the employer's investigation inadequate and biased. The court awarded sixteen months' reasonable notice and damages for aggravated mental distress and bad faith in the manner of dismissal, while rejecting the employer's mitigation defence.
Orr v Direct Coil Inc.
2026 CanLII 77416 (ON SCSM) · 2026-01-26Dismissal for Cause: HR Employee Confidentiality Breach
This case addresses whether an employer had just cause to dismiss an HR employee for breach of confidentiality and dishonesty, applying the McKinley and Dowling standards regarding trust in sensitive positions. The court upheld the dismissal for cause, finding that the misuse of personnel records and repeated denials were incompatible with continued employment. Additionally, claims for aggravated damages based on the manner of dismissal and human rights discrimination were dismissed.
Park v. Costco Wholesale Canada Ltd.
2023 ONSC 1013 (CanLII) · 2023-02-10This is a wrongful dismissal case involving a dispute over whether the employer had just cause for dismissal following a demotion. The legal issues center on the reasonableness of the notice period and the employer's duty of good faith in the manner of dismissal.
Edmond v. Algonquin College
2018 ONSC 1898 (CanLII) · 2018-03-23Wrongful Dismissal: 9-Year Employee Awarded 12 Months Notice
This is a wrongful dismissal case involving a plaintiff with nine years of satisfactory service who was terminated for cause. The court assessed the proportionality of the dismissal under McKinley v. BC Tel and found the dismissal for cause disproportionate, granting summary judgment for 12 months' notice and damages for lost salary and benefits.
Dunsmuir v Royal Group, Inc.
2017 ONSC 4391 (CanLII) · 2017-07-20Wrongful Dismissal: Senior Executive Dismissed for Cause
This wrongful dismissal case involves a senior executive dismissed for cause, with the employer alleging misappropriation of corporate opportunities and assets. The central legal question was whether the plaintiff's breaches of fiduciary duties and duty of fidelity justified summary dismissal. The court determined that such breaches constitute cause for dismissal in cases of serious misconduct, resulting in no damages being awarded for wrongful dismissal.
Cummings v Quantum Automotive Group Inc.
2017 ONSC 1785 (CanLII) · 2017-04-06Dismissal for Cause: Automotive Technician Misrepresentation
This is a merits decision regarding a wrongful dismissal claim where an automotive technician alleged unjust termination. The court examined whether the employee's intentional misrepresentation of brake pad conditions constituted just cause for dismissal under common law and statutory standards. The court found the dismissal warranted due to the breach of trust and wilful misconduct, resulting in the plaintiff being disentitled to statutory termination and severance pay.
Wilson v. Legacy Private Trust
2014 ONSC 2070 (CanLII) · 2014-04-02Wilson v. Legacy Private Trust: Termination vs Resignation
This case addresses whether a senior employee's departure was a voluntary resignation or a termination, ultimately finding it was a termination. The court further determined that the employee's breaches of fiduciary duty, including mismanagement of expenses and improper tax deductions, justified dismissal for cause. Claims of oppression by the employee were dismissed.
English v. Travel Centres Canada
2013 ONSC 417 (CanLII) · 2013-01-17Dismissal for Cause: Misuse of Funds and Safety Risks
This is a merits decision regarding a wrongful dismissal claim where the employer terminated a general manager for cause. The court applied the McKinley framework to assess whether the employee's misuse of charitable funds and food safety mismanagement constituted serious misconduct that irreparably damaged the employer's trust. The court upheld the dismissal as justified and dismissed the plaintiff's claims for aggravated and punitive damages.
Reichard v. Kuntz
2011 ONSC 7460 (CanLII) · 2011-12-15Dismissal for Cause: Non-Fraternization Policy Breach
This case addresses whether a dismissal for cause was justified when a managerial employee engaged in a romantic relationship with a subordinate and failed to report it as required by company policy. The court examined issues of wilful disobedience, dishonesty, and the irreparable damage to trust and workplace safety, while also considering the employee's long service record and the principle of proportionality in disciplinary actions.
Kelly Hunt v. Buckham Transport Ltd.
2011 ONSC 4118 (CanLII) · 2011-06-29This is a wrongful dismissal case involving a dispute over whether the employer had just cause to terminate the employee's employment. The keywords indicate that damages were awarded, suggesting the court found the dismissal was without cause or that the employer failed to prove cause.
Gillespie v. Canada (Attorney General)
2006 CanLII 37125 (ON SC) · 2006-11-01This is a wrongful dismissal case involving a dispute over whether the employer had just cause for terminating the employee. The case involves procedural elements related to civil procedure and discovery processes.
Refco Futures (Canada) Ltd. v. Keuroghlian
2006 CanLII 32063 (ON SC) · 2006-09-19Wrongful Dismissal: Senior Manager Fraud Allegations
This is a wrongful dismissal case involving a senior management employee dismissed following allegations of fraud and unauthorized trading. The court addressed whether the dismissal was for cause due to fraudulent conduct and breach of employment contract terms, or if reasonable notice was required. The case also involved counterclaims for fraud, malicious prosecution, and injurious falsehood, as well as a procedural dispute over a Mareva injunction.
Atkins v. Windsor Star
1994 CanLII 7529 (ON SC) · 1994-03-22This is a wrongful dismissal case involving a claim for dismissal for cause. The dispute was heard in small claims court and involves allegations of breach of contract.