Common Employer — Ontario Employment Law
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About Common Employer
Imagine you are hired by a small local company, but your email signature is for a large national corporation, your manager works for a different subsidiary, and your HR policies come from a head office in another city. When your employment ends, who is responsible for your termination entitlements? This is where the legal concept of the 'common employer' doctrine becomes critical in Ontario employment law.
The common employer doctrine is a principle developed by the courts to address complex corporate structures. It allows two or more related companies to be treated as a single employer for employment law purposes. The primary goal is to prevent organizations from using separate legal entities to shield themselves from their obligations to employees, such as providing proper reasonable notice or severance pay upon termination. It effectively 'pierces the corporate veil' to hold the true controlling entity accountable.
For a court to find that a common employer relationship exists, it's not enough for the companies to simply be owned by the same person or parent corporation. The key factor is the degree of integration and common control. Courts will examine factors like:
- Who has ultimate control over the employee's duties and work environment?
- Who is responsible for payroll and benefits?
- Is there a shared brand identity, HR department, or management team?
- Was there an intention, from the employee's perspective, to create an employment relationship with the entire group of companies?
It's important to distinguish this common law doctrine from the 'related employer' provisions in Ontario's Employment Standards Act, 2000 (ESA). While similar, the ESA provision is specifically for enforcing minimum statutory entitlements like termination pay and vacation pay. The common law doctrine is broader and is often used in wrongful dismissal claims to argue for a longer reasonable notice period by combining an employee's years of service across all related entities. Because these situations depend heavily on the specific facts of your corporate and work structure, understanding your rights often requires a detailed legal analysis.
Frequently Asked Questions
What is the 'common employer' doctrine in Ontario?
The common employer doctrine is a legal principle where two or more related companies are treated as a single employer. This typically happens when there is significant integration and centralized control, preventing companies from using corporate structures to avoid employment obligations like severance.
How does a common employer finding affect my severance or termination pay?
If multiple companies are found to be a common employer, your years of service with all of them are combined. This increases your total length of service, which is a key factor in calculating your entitlements to reasonable notice or severance pay in a wrongful dismissal claim.
Is a parent company automatically a common employer with its subsidiary?
No, not automatically. While common ownership is a factor, an Ontario court must also find a sufficient degree of common control and integration in areas like management, HR, payroll, and daily operations to declare a common employer relationship.
What's the difference between 'common employer' at common law and 'related employer' in the ESA?
The 'related employer' provision in the Employment Standards Act, 2000 (ESA) is used to enforce minimum employment standards. The 'common employer' doctrine is a broader common law principle used in civil claims, like wrongful dismissal, to establish liability for things like a full reasonable notice period.
Is there a time limit to make a common employer argument?
Yes. A common employer argument is usually part of a larger legal claim, such as wrongful dismissal. In Ontario, you generally have two years from the date of the incident (e.g., your termination) to file a civil lawsuit under the Limitations Act, 2002.
My job was transferred between two sister companies. Should I be concerned?
This is a situation where the common employer doctrine could be relevant later on. If your seniority wasn't explicitly recognized in writing, it could become an issue upon termination. It's wise to consult with an employment lawyer to understand the implications for your specific circumstances.
Common Scenarios
- A marketing coordinator is hired by 'Company A' but receives all work direction, performance reviews, and equipment from the parent company, 'Global Corp', which also sets all HR policies.
- An employee works for a subsidiary for 10 years, is then transferred to another subsidiary of the same parent company for 2 years, and is then terminated and only offered severance based on 2 years of service.
- A group of drivers for a local delivery franchisee initiates a class action, arguing the international franchisor exercises so much control over their work that it should be considered a common employer.
- A senior executive's employment contract is with a holding company, but their day-to-day duties are performed for several operating companies within the corporate group.
What You Should Know
- Keep records of business cards, emails, and internal documents that show a connection between the company on your paystub and other related corporate entities.
- Pay attention to who directs your work, sets your salary, and conducts your performance reviews. If these functions are split across companies, document it.
- If you are transferred between related companies, always try to get written confirmation that your original hire date and accumulated seniority will be recognized by the new entity.
- Don't assume the name on your employment agreement is the only entity that owes you obligations. The day-to-day reality of your job is what courts focus on.
- Proving a common employer relationship is a fact-intensive legal argument. If you believe multiple companies control your employment, you should seek advice from an employment lawyer to assess your claim.
Featured Cases
B.A.C. v. Automobile Specialties Inc. et al
2026 ONSC 3956 (CanLII) · 2026-07-07Constructive Dismissal: Common Employer Liability & Bad Faith Damages
This is a default judgment case involving wrongful and constructive dismissal claims against an employer and related entities. The court found the defendants liable under the common employer doctrine and awarded damages for constructive dismissal, including unpaid wages, eight weeks of termination pay, and additional damages for bad faith conduct.
B. Estate v. 2113626 Ontario Inc., (Hampton Inn and Suites)
2026 ONCA 323 (CanLII) · 2026-05-05Common Employer Liability: Wrongful Dismissal Appeal
The Court of Appeal dismissed the appeal in a wrongful dismissal action involving the 'common employer' doctrine. The motion judge had granted summary judgment against the corporate entities, finding they were jointly involved in running the hotel and shared a common intention to create an employment relationship with the deceased manager. The appellate court upheld the findings of fact and law, confirming the liability of the companies for the wrongful dismissal.
C. v. Pizza Nova Take Out Ltd.
2026 ONSC 713 (CanLII) · 2026-03-24Class Certification: Common Employer & Employee Status Appeal
This is an appeal from a class certification decision involving a class of drivers suing a franchisor and franchisees. The Divisional Court dismissed the appeal regarding the certification of common issues concerning employee versus independent contractor status and negligence, but allowed the appeal in part by setting aside the certification of a franchise-wide conspiracy claim.
B. Estate v. 2113626 Ontario Inc. (Hampton Inn and Suites)
2025 ONSC 3844 (CanLII) · 2025-06-30Common Employer Doctrine: Corporate vs Individual Liability
This is a summary judgment decision addressing liability in a wrongful dismissal context, specifically focusing on the common employer doctrine. The court applied the two-part test from O’Reilly and Downtown Eatery to determine if a franchisee and its paymaster constituted a common employer, finding liability against the corporate entity. However, the court dismissed the claim against the individual officer, ruling that the common employer doctrine does not pierce the corporate veil absent evidence of personal intent to contract.
D. v. Amazon Canada Fulfillment Services
2025 ONCA 421 (CanLII) · 2025-06-10Appeal Dismissed in Amazon Class Action
Driver associates employed by third-party logistics companies sued Amazon Canada in a proposed class action, claiming it was a common employer. A motion judge previously denied certification, finding no common employer relationship and upholding arbitration agreements. The Ontario Court of Appeal dismissed the workers' appeal, agreeing that the claims against Amazon lacked common issues and could not proceed as a class action.
B. v. B.
2025 ONCA 94 (CanLII) · 2025-02-10Common Employer Personal Liability & Punitive Damages
This appeal addressed whether a corporate director could be held personally liable as a 'common employer' for unpaid wages and whether punitive damages were appropriate for harsh and offensive conduct. The Court of Appeal upheld the trial judge's findings that the appellant exercised personal control over employment and banking, characterizing payments as banked wages rather than loans, and confirmed the award of punitive damages and substantial indemnity costs.
T. v. Artisan Cells
2025 CanLII 2387 (ON SC) · 2025-01-07Wrongful Dismissal: 9 Months Notice Awarded
This wrongful dismissal case involved a senior employee in a niche industry terminated without cause. The court awarded nine months' notice based on factors including age, tenure, seniority, and limited comparable opportunities. The case also addressed the potential voidness of termination clauses violating the Employment Standards Act (an issue the court declined to decide), repudiation of the contract by the employer, joint liability under the common employer doctrine, and the denial of punitive damages due to insufficiently harsh conduct.
Canadian Union of Skilled Workers v. Four Seasons Site Development Ltd.
2024 ONSC 6398 (CanLII) · 2024-11-27Judicial Review: Related Employer Declaration Dismissed
This is a judicial review of an Ontario Labour Relations Board decision regarding whether two entities should be declared a single employer under the Labour Relations Act. The Divisional Court dismissed the application, finding that the Board's exercise of discretion and its reasons met the standard of reasonableness under Vavilov.
G. v. 2411363 Ontario Inc. (Ontario Health Clinics Brantford FHO Inc.)
2024 ONCA 752 (CanLII) · 2024-10-11Wrongful Dismissal: Common Employer & Limitations Appeal
The appellant appealed a motion judge's decision to dismiss her motion to amend her statement of claim to add individual respondents as common employers in a wrongful dismissal action. The motion judge found the claim against the individuals was statute-barred because the appellant knew material facts supporting the claim by her termination date in 2018, rejecting her argument that the claim was not discoverable until 2021. The Court of Appeal reviewed the application of the common employer doctrine, the discoverability principle under the Limitations Act, 2002, and the assessment of affidavit evidence.
D. v. Amazon Canada Fulfillment Services, ULC
2023 ONSC 3665 (CanLII) · 2023-06-19Class Certification Denied for Delivery Partners
Delivery workers sought to certify a class action alleging they were misclassified as independent contractors. The court denied certification for Driver Associates and stayed claims for Delivery Partners bound by arbitration agreements.
Turkiewicz (Tomasz Turkiewicz Custom Masonry Homes) v. Bricklayers, Masons Independent Union of Canada, Local 1
2022 ONCA 780 (CanLII) · 2022-11-16Labour Relations: Related Employer Declarations & Damages
The Court of Appeal for Ontario heard an appeal regarding the standard of review and substantive correctness of Ontario Labour Relations Board decisions concerning related employer declarations and damages in the construction industry. The appeal addressed whether the Divisional Court erred in applying the reasonableness standard under Vavilov and whether the OLRB properly considered labour relations purpose under the Labour Relations Act, 1995. The case also involved issues regarding the calculation of damages for bargaining unit work performed by a non-union entity.
Enercare Home & Commercial Services Limited Partnership v. UNIFOR Local 975
2022 ONCA 779 (CanLII) · 2022-11-16Judicial Review: Related Employer Declaration under LRA
This is a judicial review of an Ontario Labour Relations Board decision declaring Enercare, Ganeh, and Beaver as related employers under section 1(4) of the Labour Relations Act, 1995. The Divisional Court had quashed the Board's decision as unreasonable, prompting this appeal on whether the standard of review was misapplied under Vavilov. The Court of Appeal for Ontario reviewed the reasonableness of the Board's interpretation of 'common control or direction' and its exclusion of collective agreement provisions from the analysis.
L. v. Residential Energy Saving Products Inc. et al
2022 ONSC 4231 (CanLII) · 2022-07-20Common Employer Wrongful Dismissal Appeal
This appeal addressed whether the trial judge erred in finding that two entities constituted a common employer for a wrongful dismissal claim, and whether a limitation defence against a late-added defendant was properly dismissed. The Divisional Court upheld the finding of a common employer and dismissed the appeal on the limitation issue, finding the addition of the party was a matter of misnomer rather than discoverability. The appeal regarding costs was also dismissed, with the court confirming that Rule 49 requires a dollar-to-dollar comparison of damages without adjusting for tax consequences.
S. v Scamurra Contracting
2022 ONSC 4222 (CanLII) · 2022-07-18Wrongful Dismissal: 26-Year Employee Awarded 22 Months Notice
This wrongful dismissal case addressed whether the plaintiff was an employee or independent contractor, ultimately finding he was an employee of a family-owned corporate group. The court ruled the dismissal was retaliatory and without cause, awarding damages for the difference between the provided notice and the reasonable notice period determined to be 22 months.
G. v. Z.
2022 ONSC 3784 (CanLII) · 2022-06-24Partial Summary Judgment Denied in Employment Dispute
This is an interlocutory procedural decision regarding a motion for partial summary judgment in a case involving employment-related claims. The court denied the defendant's request for partial summary judgment because the claims were factually intertwined with other defendants, creating a risk of inconsistent findings. Additionally, the court denied the plaintiff's request for an adjournment due to non-compliance with court-ordered timetables.
Rahman v. Cannon Design Architecture Inc.
2022 ONCA 451 (CanLII) · 2022-06-08Rahman v. Cannon Design: Common Employer & Void Termination Clauses
This appeal concerns a wrongful dismissal action where the appellant was terminated without cause and provided four weeks' pay. The Court of Appeal for Ontario held that the termination provisions in the employment contracts were void because they contravened the Employment Standards Act, 2000, and applied the common employer doctrine to find the respondents jointly and severally liable for damages.
O. v. ClearMRI Solutions Ltd.
2021 ONCA 385 (CanLII) · 2021-06-07Common Employer Doctrine & Director Liability Appeal
This appeal concerns an employee's claims for unpaid wages, vacation pay, and constructive dismissal against their employer and related corporate entities. The Court of Appeal addressed whether the common employer doctrine applied to hold a parent company liable and whether a director could be held personally liable for unpaid wages under the Ontario Business Corporations Act.
T. v. Ontario Labour Relations Board
2021 ONSC 1259 (CanLII) · 2021-05-31Judicial Review: Related Employer Declaration
This is a judicial review of an Ontario Labour Relations Board decision declaring the applicant a related employer under the Labour Relations Act, 1995. The Divisional Court examined whether the Board's decision was reasonable, considering the legislative intent, the applicant's personal circumstances including bankruptcy and injury, and the standard of review established in Vavilov.
Enercare Home & Commercial Services v. UNIFOR, Local 975
2021 ONSC 606 (CanLII) · 2021-03-26Judicial Review: Related Employer Declaration Remitted
This is a judicial review of an Ontario Labour Relations Board decision declaring Enercare, Ganeh, and Beaver as related employers under the Labour Relations Act, 1995. The Divisional Court reviewed whether the Board's decision was unreasonable due to alleged failures to consider relevant context and bargaining history. The Court confirmed the standard of review as reasonableness and remitted the matter for a fresh hearing.
K. v. Lipson Shirtmakers Inc.
2020 ONSC 6871 (CanLII) · 2020-11-12Common Employer Doctrine: Wrongful Dismissal Motion to Strike
This is an interlocutory proceeding involving a wrongful dismissal claim where plaintiffs alleged that two companies constituted common employers under the Employment Standards Act, 2000. The defendants moved to strike the common employer claim and sever the claims against the second company, arguing the pleadings failed to disclose a reasonable cause of action and were scandalous. The court dismissed the motions, holding that the pleadings were sufficiently generous and that the allegations of operational integration and asset diversion were relevant to the employment dispute.