Lawyer Profile

Jennifer L. Costin

London, Ontario

Siskinds LLP

Overview

Jennifer Costin is a Lawyer and Workplace Investigator at Scott Petrie LLP in London, Ontario. She has more than 20 years of experience as a workplace investigator and lawyer, advising clients through all stages of the employment relationship, from recruitment through exits. Her practice focuses on workplace investigations, and she has conducted investigations locally and nationally across education, healthcare, government, technology, manufacturing, not-for-profit, and retail sectors. The firm states that she is listed on the Canada Labour Code's Workplace Harassment and Violence Prevention Registry of Investigators and that she also advises and coaches internal investigators. Jennifer graduated from the University of Ottawa law school in 2002 and established her practice in London. She was selected by Middlesex Law Association peers as a Rising Star and was recognized by Best Lawyers in Canada for Labour and Employment law from 2022 through 2025. Her work includes tailored investigations and day-to-day workplace advice.

Practice Areas

  • Labour and Employment Law
  • Workplace Investigations

Bar Information

Called to the bar: 2003 (ON)