William Lacoste



William Lacoste is an associate with the Litigation group of the firm. He joined the Montreal office during the 2016 recruitment process and obtained his Bachelor’s in both Civil and Common Law from McGill University.

During his studies, he worked as the Director of human and material resources at the Legal Information Clinic at McGill, where he was responsible for training and supervising more than 150 student volunteers. He has also worked for the Legal Department of a major Canadian airport.

William was also involved as a founding volunteer of the Montreal Trans Legal Clinic, a clinic which aims to inform transgender individuals of applicable legal procedures to facilitate their transition. William also got the chance to participate in an exchange program in Amsterdam during the Fall 2015 semester.

Professional and community activities

  • Legal Information Clinic at McGill
  • Montreal Trans Legal Clinic



  • Member of the Law Society of Ontario since 2018
  • B.C.L./LL.B., McGill University, 2016

Boards and Professional Affiliations

  • Member of the Barreau du Québec since 2018
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