Unionization Responses: Tips for Employers in Ontario
16Jan

Unionization Responses: A Practical Guide for Employers in Ontario

Unionization is a legally protected process in Ontario and a sensitive moment for employers. How management responds when employees begin organizing can significantly affect legal exposure, workplace stability, and long-term operations. Missteps during a union drive can lead to unfair labour practice findings, automatic union certification, reinstatement orders, damages, and reputational harm.

This post explains what Ontario employers can and cannot do when employees are considering unionization, the legal framework that governs employer conduct, and best practices to reduce risk while maintaining a productive workplace.

Employees’ Right to Unionize in Ontario

Under Ontario law, employees have a protected right to form, join, and participate in a union. Employers cannot interfere with this right, but they are not required to remain silent or disengaged.

Governing Legislation

  • Labour Relations Act, 1995 (LRA): primary statute governing union organizing, certification, bargaining, and employer conduct
  • Employment Standards Act, 2000 (ESA): continues to apply in unionized and non-unionized workplaces
  • Occupational Health and Safety Act (OHSA): protects workers who raise safety concerns
  • Ontario Human Rights Code (HRC): prohibits discrimination and retaliation connected to protected grounds

📌 Key Principle

Employer conduct during union activity must be non-coercive, non-threatening, and non-misleading.

Christopher Achkar - Employment Lawyer

As Christopher Achkar, labour lawyer and founder of Achkar Law, explains:

“How you respond to unionization efforts can have lasting legal and workplace consequences.

At Achkar Law, we guide employers through lawful, strategic responses.

Speak to a labour lawyer before taking any action.”  

Understanding the Unionization Process in Ontario

While each organizing campaign is fact-specific, the process typically involves:

  1. Organizing Stage
    Employees discuss unionization and may sign union membership cards.
  2. Application for Certification
    A union applies to the Ontario Labour Relations Board (OLRB) for certification.
  3. Employer Notice
    Employers are notified and must ensure all conduct complies with the LRA.
  4. Vote or Card-Based Certification
    • In many workplaces, certification is determined by a secret-ballot vote supervised by the OLRB.
    • In certain sectors (such as construction) or where employer misconduct is found, certification may occur without a vote.
  5. Certification
    Once certified, the union becomes the exclusive bargaining agent for employees in the bargaining unit.

Important
Employer misconduct during organizing can result in automatic certification, even if a vote has not occurred.

What Employers Are Prohibited from Doing

Ontario law strictly limits employer conduct during union organizing. Prohibited actions include:

Interference and Coercion

  • Threatening layoffs, reduced hours, or loss of benefits if employees support a union
  • Promising raises, promotions, or improved conditions to discourage union support
  • Using supervisors or managers to pressure employees about union activity

Retaliation

  • Terminating, disciplining, demoting, or reducing hours because of union involvement
  • Altering schedules, duties, or working conditions in response to organizing activity

Surveillance and Monitoring

  • Monitoring union meetings or discussions
  • Tracking union communications or supporters
  • Increasing scrutiny or surveillance targeted at organizing employees

📌 Timing Matters

Even legitimate business decisions can be unlawful if union activity is a motivating factor.

What Employers Can Do Lawfully

Employers retain important management rights during a union drive, provided they act within legal limits.

Lawful Communication

Employers may:

  • Share accurate, factual information about unions, dues, and collective bargaining
  • Express opinions about unionization, provided they are not threatening, coercive, or misleading
  • Respond to employee questions in a measured and consistent manner

✘ Warning that unionization will cause layoffs = unlawful
✔ Explaining how collective bargaining works = lawful

Enforce Neutral Policies Consistently

Existing workplace policies may continue to be enforced if they are:

  • Neutral on their face
  • Applied consistently
  • Unrelated to union activity

Selective or heightened enforcement creates legal risk.

Employment Standards and Other Legal Obligations

Union organizing does not suspend other employer obligations.

Employment Standards Act (ESA)

Employers must continue to comply with:

  • Termination and notice requirements
  • Leaves of absence
  • Wages, overtime, and vacation entitlements

Human Rights Code

Retaliation connected to union activity may also engage human rights protections where protected grounds are involved.

Occupational Health and Safety

Intimidation or harassment during union activity may breach safety and harassment obligations.

📌 Employer Reminder

Offering severance or a termination package does not shield an employer from liability for unlawful anti-union conduct.

Legal Risks of Mishandling Unionization

Failure to comply with Ontario labour law can result in:

  • Unfair labour practice findings
  • Automatic union certification
  • Reinstatement orders and back pay
  • Compensation for losses
  • Long-term labour relations instability
  • Reputational harm affecting recruitment and retention

These outcomes are often far more costly than proactive compliance.

Best Practices for Ontario Employers

Employer Compliance Checklist

  • Train managers on lawful communication during union activity
  • Centralize messaging and decision-making
  • Document legitimate business reasons for all employment decisions
  • Enforce policies consistently and objectively
  • Address workplace concerns proactively
  • Seek legal advice before discipline, restructuring, or terminations during a union drive

📌 Practical Insight

Union activity often signals unresolved workplace issues. Addressing those issues lawfully can reduce risk without interfering with employee rights.

When Employers Should Seek Legal Advice

Early legal guidance is critical if:

  • Union cards are being signed
  • A certification application is filed
  • Discipline or termination is being considered
  • Operational changes are planned
  • An OLRB complaint is threatened or filed

Mistakes made early in a union drive are difficult, and sometimes impossible, to undo.

Need Guidance on Unionization in Ontario?

Union organizing is one of the highest-risk moments for Ontario employers. A single misstep can lead to automatic union certification, reinstatement orders, or long-term labour relations challenges.

We help Ontario employers:

  • Respond lawfully to union activity
  • Train management teams on compliant communication
  • Reduce unfair labour practice risk
  • Managing certification, bargaining, and restructuring
  • Protect operations while respecting employee rights

If your workplace is facing unionization pressure, don’t wait.

Proactive legal advice can protect your organization, your leadership team, and your long-term business interests.

Contact an Ontario employment and labour lawyer to assess your risk and develop a compliant strategy now.

The article in this client update provides general information and should not be relied on as legal advice or opinion. This publication is copyrighted by Achkar Law Professional Corporation and may not be photocopied or reproduced in any form, in whole or in part, without the express permission of Achkar Law Professional Corporation. ©