Cell: 416.580.3931
24 Hour: 416.420.0738
Queen’s University, Juris Doctor
University of Toronto, Honours Bachelor of Science
Sarah MacKay Marton
Sarah advises, represents and advocates for employers on a wide variety of employment and labour law matters. She began her career with Sherrard Kuzz LLP as a law student, during which time she participated in a secondment with the Ontario Labour Relations Board.
Sarah is a member of the Board of Directors of Support Ontario Youth, and a member of the Law Society of Ontario.
Areas of Focus:
- Advising Multinational and Multi-Jurisdictional Employers
- Attendance Management
- Civil Litigation
- Collective Agreement Administration
- Collective Bargaining
- Construction Labour Relations
- Employee Relations
- Employment Contracts (including Independent Contractor Agreements)
- Employment Screening and Hiring
- Employment Standards
- Employment and Labour Issues in Corporate Restructuring and Transactions
- Grievance Arbitration
- Human Rights and Accommodation
- Injunctive Court Proceedings and Judicial Review
- Interest Arbitration
- Labour Relations and Industrial Relations Board Proceedings
- Management Training
- Mediation and Alternative Dispute Resolution
- Occupational Health and Safety
- Policy Development and Implementation
- Responding to Union Organizing and Applications for Certification
- Sale or Closure
- Strike or Lockout Preparation and Business Continuity
- Workplace Audits
- Workplace Investigations
- Workplace Safety and Insurance
- Wrongful and Constructive Dismissal Litigation
Publications & Media
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Hosting a Holiday Party? Make a List of Legal Duties and Best Practices (and check it twice!)
November, 2025Management Counsel
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Employees Across Canada Are Entitled to Time Off to Vote – What Employers Need to Know
February13, 2025Briefing Note
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November, 2024
Management Counsel
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New Canada Revenue Agency Policy for Fully Remote Work Arrangements
March 11, 2024
Employment Law Alliance
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Fixed-Term Agreements Are Not One Size Fits All
November, 2023Management Counsel
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Naloxone Kits and The Construction Industry
August 16, 2023
Grand Valley Construction Institution
Speaking Engagements
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Employment Standards Act ~ Common Pitfalls and Best Practices
March 04, 2026
Sherrard Kuzz LLP HReview -
Reading it Right: Essential and emerging principles of collective agreement interpretation
September 16, 2025
Lancaster House
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Employment Law Update: What Employers Need to Know and Prepare For
June 18, 2025
Hospitality Human Resources Professionals of Niagara
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Positive Employee Relations ~ How to Plan, Prepare and Succeed
September 18, 2024
Sherrard Kuzz LLP HReview -
2024 Spring Road Shows – Employment Law: What Operators Need to Know Now and Prepare For
June 18, 2024
Ontario Retirement Communities Association (ORCA)
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2024 Spring Road Shows – Employment Law: What Operators Need to Know Now and Prepare For
June 13, 2024
Ontario Retirement Communities Association (ORCA)
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2024 Spring Road Shows – Employment Law: What Operators Need to Know Now and Prepare For
May 23, 2024
Ontario Retirement Communities Association (ORCA)
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Canada Labour Code & Other Changing Federal HR Legislation – Preventing and Managing Workplace Harassment & Violence: Best Practices for Federally Regulated Employers
May 9, 2024
Infonex
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Managing The Employment Lifecyle –Best Practices for Hiring, Performance Management and Terminations
November 09, 2023
CPA Ontario
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Best Practices for Managing Harassment Complaints in the Workplace
April 12, 2023
CPA Ontario
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Employment Law Update: Managing Termination and Conducting Workplace Harassment Investigations
November 16, 2022
Niagara Association of Hospitality Human Resources Professionals