About Turnpenney Milne LLP

Turnpenney Milne LLP is a Toronto law firm that practises exclusively in workplace law, with a second office in Vancouver. Rachel Turnpenney and Catherine Milne founded the firm in May 2010. It represents both employers and employees and also works as an independent investigator in workplace disputes, a three sided vantage point the firm says helps it understand issues from every angle and resolve them practically.

The practice covers the full employment relationship, from hiring and policy design through terminations, layoffs and post-employment restrictions, and includes wrongful dismissal, human rights and accommodation, and workplace investigations. Turnpenney is listed on the federal registry of investigators under the Canada Labour Code's Workplace Harassment and Violence Prevention Regulations and holds the AWI-CH credential from the Association of Workplace Investigators. Milne, called to the Ontario bar in 1993 and the British Columbia bar in 2018, has conducted close to 100 workplace investigations and wrote Canadian Forms and Precedents, Employment. The firm also offers training programs for HR professionals, managers and legal teams on topics such as human rights, accommodation, performance management and workplace investigations.

Milestones & recognition

  • Founded in May 2010 by partners Rachel Turnpenney and Catherine Milne.
  • Rachel Turnpenney is listed on the federal Workplace Harassment and Violence Prevention Registry of Investigators and holds the AWI-CH investigator credential from the Association of Workplace Investigators.
  • Catherine Milne was called to the Ontario bar in 1993 and the British Columbia bar in 2018, and earned the Certified Director designation from McMaster University's DeGroote School of Business in 2023.
  • In 2021, the firm received the Canadian HR Awards' award for labour and employment law firms.
  • Rachel Turnpenney was included in the 2024 Lexpert/American Lawyer Guide to the Leading 500 Lawyers in Canada as Most Frequently Recommended.
  • Catherine Milne is the author of Canadian Forms and Precedents, Employment and a contributor to Canadian Employment Law Today and the Canadian HR Reporter.

In the community

  • Catherine Milne has served as a director of YWCA Toronto since 2022 and was a director of the Metropolitan Toronto Convention Centre Corporation from 2017 to 2021.
  • Catherine Milne has taught employment law at Seneca College and George Brown College.
  • The firm hosts complimentary webinars open to the public on employment law and workplace investigation topics.

This firm’s lawyers at a glance

Called to the bar
1993–2026 · median 12 years in practice 20 of 21 lawyers
Law schools
Dalhousie University, Schulich School of Law (2), Osgoode Hall Law School (2), University of Toronto (2), University of Windsor (2), Lakehead University, Bora Laskin Faculty of Law, University of Western Ontario 10 of 21 lawyers
Languages on the roster
Bengali, English, French, Hindi, Punjabi

Offices 2

Berkeley Castle, 2 Berkeley Street, Suite 501, Toronto, ON M5A 4J5

408-55 Water Street, Office 8171, Vancouver, BC V6B 1A1

The neighbourhood

The Toronto office sits in Berkeley Castle, a cluster of red brick buildings at the foot of Berkeley Street near the Esplanade. Joseph Simpson built the first structure there in 1868 for what became Toronto's first knitting factory, and the complex stood at the eastern edge of the original 1793 town site of York before landfill pushed the shoreline south. The mill sat vacant and condemned until a restoration completed in 1983 turned it into the mixed office and retail space it is today.

The Vancouver office is in Gastown, in the 1912 Malkin & Co. Grocery Warehouse at 55 Water Street. Like Berkeley Castle, the building was converted from an old warehouse into commercial and residential space while keeping its original brick and timber structure, putting the firm in one of Vancouver's oldest commercial districts.

Frequently asked questions

Does Turnpenney Milne represent employers or employees?
Both. The firm advises and represents employers on one side of a file and employees on the other, and it also takes on independent investigator roles, so it sees workplace disputes from more than one angle.
I think I was let go without proper notice. Can Turnpenney Milne help with a wrongful dismissal claim?
Yes. The firm represents employees in wrongful dismissal, constructive dismissal, and termination for cause matters, including reviewing severance offers and negotiating exit terms.
My organization needs an outside investigator for a harassment or misconduct complaint. Can Turnpenney Milne conduct the investigation?
Yes. The firm conducts external workplace investigations into harassment, discrimination, and workplace violence complaints for employers across sectors, including federally regulated workplaces.
Does the firm handle investigations under the federal Workplace Harassment and Violence Prevention Regulations?
Yes. Rachel Turnpenney is listed on the federal registry of investigators for that regime, which governs harassment and violence investigations at federally regulated workplaces under the Canada Labour Code.
Can Turnpenney Milne provide training for our HR team or managers?
Yes. The firm offers training on topics like human rights, accommodation, performance management, and workplace investigations, delivered in person or virtually and tailored to the organization.
Where are Turnpenney Milne's offices?
The firm has offices in Toronto, at Berkeley Castle on Berkeley Street, and in Vancouver, on Water Street in Gastown. Both locations are listed with phone numbers on the firm's contact page.

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Listing compiled from the firm’s public website in September 2026. Verify licence status in the Law Society of Ontario directory ↗