Rhéaume Perreault advises and represents organizations of all sizes in the private, public and municipal sectors, as well as non-profit entities. A seasoned advisor and negotiator, and a certified human resources professional (CRHA), he has been recognized for several years as one of the country’s leading labour and employment lawyers.
His practice focuses on labour relations, collective agreements, labour standards, grievance arbitration, union certification processes, crisis management, the protection of personal information, human rights and freedoms, and workplace injuries, with a particular emphasis on assisting employers and management teams in high-risk situations.
He regularly provides strategic guidance to organizations facing complex human capital matters, including difficult or urgent decisions related to unionization campaigns, reorganizations, harassment, workplace addiction and trade secret theft.
An experienced negotiator, Rhéaume regularly leads collective bargaining negotiations in high-pressure contexts involving business transformation or operational pressures, and represents clients before the courts and administrative bodies. He also provides counsel to a wide array of organizations and pan-Canadian associations and often acts as their spokesperson at bargaining tables across various sectors, where a strategic and pragmatic approach is key to preventing conflict escalation.
Rhéaume is recognized for his practical approach, meticulous work ethic, availability and responsiveness—qualities that are particularly valued where human, legal and reputational issues overlap. He is known for delivering innovative, practical solutions tailored to client needs, focused on mitigating risk, ensuring compliance and fostering sustainable working relationships.
A core part of his practice involves delivering professional training in this area. Rhéaume is frequently invited as a trainer, speaker or panellist at in-house events and specialized conferences, particularly by decision-makers and human resources professionals. A recognized author, he has published several books and hundreds of articles.
Within the firm, in addition to serving as co-leader of his practice group, he is actively involved in mentoring initiatives and sits on various internal committees, contributing to the strategic development and excellence of the labour law group’s practice. In 2026, Rhéaume was named Labour and Employment Law Lawyer of the Year by Best Lawyers and has been consistently recognized by the directory as a leading lawyer in this area since 2012.
