Employer Definition — Ontario Employment Law
Related Keywords
About Employer Definition
In Ontario employment law, the definition of an "employer" is not always as simple as the name printed on a worker's pay stub. Different provincial statutes define the term broadly to ensure that workers are protected, safety standards are maintained, and legal liabilities are properly assigned. Understanding who strictly qualifies as an employer is critical for enforcing rights related to severance, workplace injuries, union grievances, and human rights accommodations.
Under the Employment Standards Act, 2000 (ESA), an employer includes any owner, proprietor, manager, superintendent, or receiver of an activity, business, work, trade, or undertaking who has control or direction over one or more employees. It also includes persons acting on behalf of an employer. This broad definition ensures that companies cannot easily contract out of their basic obligations, such as paying termination pay or minimum wages, simply by using middlemen or calling their staff "volunteers" or "trainees" when a true employment relationship exists.
Under the Occupational Health and Safety Act (OHSA), the definition of an employer is particularly expansive to maximize workplace safety. Ontario courts have frequently ruled that entities such as general contractors, project managers, or companies employing temporary agency staff can be prosecuted as "employers" if they dictate how work is performed or oversee a worksite. Even if an entity does not directly pay the workers, it can still owe extensive duties to ensure machinery is guarded and workers are adequately supervised.
Similarly, workplace legislation like the Employer Health Tax Act and the Ontario Human Rights Code look past technical labels to see who actually exercises control over an individual's working conditions. Because every statute interprets the employer definition slightly differently to serve its own purpose, establishing true legal liability requires a careful look at the specific circumstances of a working relationship. As corporate structures, franchising arrays, and staffing agencies can make this analysis complicated, having your specific situation evaluated by an employment lawyer is highly recommended.
Frequently Asked Questions
How does the Employment Standards Act define an employer in Ontario?
The ESA defines an employer broadly to include owners, managers, and anyone who has control or direction over the work of one or more employees. It also applies to individuals or corporations acting on an employer's behalf, ensuring that entities cannot easily dodge liability for wages, termination pay, and basic rights.
Can a company be my employer under safety laws even if they don't sign my paychecks?
Yes. Under the Occupational Health and Safety Act, an entity can be considered your employer if they employ you, contract for your services, or have control over the workplace you operate in. Courts routinely hold general contractors or site owners liable as employers for safety violations involving subcontractors.
Are temporary help agencies considered the legal employer?
Under the ESA, the temporary help agency is generally considered the employer of the assignment employee for purposes of payroll, statutory notice, and severance. However, for human rights issues or workplace safety under OHSA, both the agency and the client business you are assigned to may jointly hold employer responsibilities.
When should I speak to an employment lawyer about identifying my employer?
You should seek legal counsel immediately if you have been dismissed or denied wages and multiple entities—such as a staffing agency and a host company—are pointing fingers at each other to avoid liability. Determining the correct employer is vital before filing a claim, especially since you must act within the strict two-year limitation period to sue for wrongful dismissal.
Does the definition of an employer include individual corporate directors?
In some contexts, yes. The ESA features active director liability provisions for certain unpaid wages. Additionally, under OHSA, individual directors and officers have a distinct duty to ensure the corporation complies with safety laws, and they can be personally prosecuted for failing to act.
Can a person receiving training be considered an employee of an employer?
It depends on the exact nature of the training. The ESA has a narrow exception for individuals receiving training under specific legal frameworks (like an approved college program). However, if a business receives a direct benefit from your work, directs your tasks, and treats you like standard staff, they are likely your legal employer regardless of the "trainee" label.
Common Scenarios
- A construction company hires independent tradespeople to work on a large residential site. An inspector from the Ministry of Labour arrives and issues a safety violation against the construction company, finding that because they control the site and oversee the workflow, they meet the definition of an "employer" under the Occupational Health and Safety Act.
- A worker is placed at a local manufacturing plant by a temporary staffing agency. When the worker faces racial harassment from a plant supervisor, the Ontario Human Rights Tribunal assesses the definition of employer and finds both the temp agency and the manufacturing plant hold obligations to protect the worker.
- An IT professional is hired through a complex third-party payroll service chosen by the tech firm they actually do the work for. When the individual is let go, the tech firm claims they aren't the actual employer to avoid paying statutory notice, forcing the worker to prove who truly directed their daily work.
What You Should Know
- Always retain your employment contracts, T4 slips, and pay statements. The exact corporate name on these documents is a crucial starting point for establishing who holds legal liability as your employer.
- If you operate a business and regularly direct the work of contractors on your premises, do not assume you are shielded from liability; you must still exercise due diligence, as you may meet the definition of an employer under provincial safety legislation.
- When facing a wrongful dismissal where your workplace used multiple corporate names or staffing agencies, have a legal professional assess the reporting structure and control dynamics to identify the correct target for your claim.
- Do not delay filing Ministry of Labour complaints or civil claims while trying to untangle a confusing corporate hierarchy. Keep strict limitation periods in mind and seek help promptly so you don't lose your right to pursue your legal employer.
Featured Cases
Dare Human Resources Corporation v. Ontario (Revenue)
2019 ONCA 549 (CanLII) · 2019-07-02Employer Health Tax: Placement Agency Employer Status
This is an appeal from a decision regarding the definition of 'employer' under the Employer Health Tax Act (EHTA). The Court of Appeal for Ontario dismissed the appeal, upholding the finding that the placement agency was an employer liable for the tax, having considered the tripartite relationship and statutory context.
Ontario (Ministry of Labour) v. Pioneer Construction Inc.
2006 CanLII 15621 (ON CA) · 2006-05-12OHS Appeal: Employer Definition & Due Diligence
This is an appeal from a conviction under the Occupational Health and Safety Act involving a construction company. The Court of Appeal upheld the conviction, confirming that the defendant qualified as an 'employer' under the Act and that the trial judge correctly rejected the due diligence defence regarding the failure to guard machinery and provide supervision. The court also dismissed the corporate defendant's Charter argument regarding delay, ruling that the presumption of prejudice does not apply to corporations.
T. v. Lemerz Canada Inc.
2005 CanLII 21106 (ON SC) · 2005-06-09Workplace Discrimination Case: Harassment Based on Race and Origin
A workplace discrimination case involving harassment based on race, colour, and place of origin. The case also addresses the definition of employer and grievance procedures in employment law.
Ontario (Ministry of Labour) v. Pioneer Construction Inc.
2005 CanLII 19793 (ON SC) · 2005-06-08OHSA Prosecution: Employer Definition and Due Diligence
This is an appeal regarding a prosecution under the Occupational Health and Safety Act where the defendant, Pioneer Construction Inc., was charged with failing to install safety guards. The court addressed whether the defendant qualified as an 'employer' under the Act, the admissibility of evidence regarding subsequent remedial actions in assessing due diligence, and the application of the Charter right to a trial within a reasonable time to corporations.
S. v. W.
1995 CanLII 10667 (ON SC) · 1995-05-18Employment Standards: Employee Status Determination Under Training Program
A merits decision involving the interpretation of the Employment Standards Act regarding whether a person receiving training under a potential employer qualifies as an 'employee'. The adjudicator ruled no employment relationship existed due to a lack of legal documentation, and the judicial review was dismissed as the decision was not patently unreasonable.
St-Marys Paper Inc. (In Bankruptcy)
1994 CanLII 1232 (ON CA) · 1994-07-04Bankruptcy Trustee Pension Liability Appeal
This appeal addresses whether a trustee in bankruptcy becomes an 'employer' liable for unfunded pension liabilities under the Pension Benefits Act when continuing to operate a bankrupt business and rehiring employees. The court analyzed the conflict between provincial pension legislation and the federal Bankruptcy and Insolvency Act, finding no operational conflict under the doctrine of paramountcy. This decision was appealed to the Supreme Court of Canada, which upheld it (ST. Marys Paper Inc. (Re), [1996] 1 SCR 3). The appeal was dismissed as moot with costs, meaning the decision of the Ontario Court of Appeal stands.
St. Marys Paper Inc. (Re)
1993 CanLII 5451 (ON SC) · 1993-09-28Trustee Liability for Pension Obligations
This case addresses whether a trustee in bankruptcy, who rehired employees of a bankrupt company, is liable for the company's unfunded pension liabilities under the Pension Benefits Act. The court determined that the trustee was deemed an 'employer' under the Act and that statutory obligations regarding pension contributions could not be avoided by contractual disclaimers in re-engagement letters. The case later reached the Supreme Court of Canada (ST. Marys Paper Inc. (Re), [1996] 1 SCR 3). The appeal was dismissed as moot with costs, meaning the decision of the Ontario Court of Appeal stands.
S. v. V.
1945 CanLII 127 (ON CA) · 1945-10-16Workplace Injury: Statutory Bar and Employer Definition
This appeal concerns a plaintiff who suffered benzol poisoning and received workers' compensation, raising the issue of whether the statutory bar precluded a subsequent civil action for negligence against a department manager. The action was dismissed, as the plaintiff was barred by election to accept compensation and the manager was not an 'employer' under the relevant statutes.