Marc McLaren-Caux

An award-winning and highly sought-after lawyer, Guy has experience in complex commercial litigation (including class actions), administrative law and constitutional law cases. Guy frequently appears before the Supreme Court of Canada (SCC), the Superior and Appeal Courts of Ontario and Québec, the Federal Court (FC) and Federal Court of Appeal (FCA). Guy was named to the Order of Canada in 2022, recognizing his contributions as a lawyer, notably to pro bono work, and for his volunteer...

Will Boyer is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Will, who practices law in Ottawa, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Will is held by other top lawyers in the same geographic and legal practice area.

Brenda Hollingsworth co-founded Ottawa’s Auger Hollingsworth Accident & Injury Lawyers in 2005 with her husband Richard Auger. She runs a full bilingual litigation practice in addition to serving as the firm’s director of legal services. Brenda was named an Ottawa Business Journal Forty Under 40 recipient and took home the Women’s Business Network’s Businesswoman of the Year award in the Professional category. She was also recognized as one of Ottawa Life Magazine&...

Tamara Mosher-Kuczer is the founder of Lighthouse Immigration Law Professional Corporation, a boutique law firm specializing in Canadian Immigration Law. Tamara has extensive experience offering strategic legal advice and assistance to large multinationals, small businesses, start-ups and individuals to facilitate both short and long-term employment in a wide range of sectors, and the transition to permanent residence and citizenship. She represents clients on a variety of Canadian immigratio...

Virginia Schweitzer practices in the areas of corporate finance, mergers and acquisitions, securities, mining, energy and technology law. Regularly advising clients on public offerings, including IPOs, in Canada and the United States, Virginia has also assisted with private placements for technology, biotechnology and mining clients. Her expertise also extends to negotiating mergers, takeovers and acquisitions on behalf of both public and non-public companies. Virginia also advises corporatio...

David is currently focusing his practice on mediating and investigating employment, workplace and sports disputes, areas of law in which he has significant experience. In the past, David has provided advice and representation to both employers and employees with respect to workplace issues of all kinds, including employment litigation, employment standards complaints, human rights proceedings, and occupational health and safety matters. He has also assisted employers in developing and impleme...

Lorraine Mastersmith is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Technology Law. Lorraine, who practices law in Ottawa, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lorraine is held by other top lawyers in the same geographic and legal practice area.

Jacques J.M. Shore is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law. Jacques J.M., who practices law in Ottawa, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jacques J.M. is held by other top lawyers in the same geographic and legal practice area.

Peter Engelmann is a labour and human rights lawyer in Goldblatt Partners' Ottawa office. ​He was a founding partner of Engelmann Gottheil, a firm that merged its practice with Sack Goldblatt Mitchell - now Goldblatt Partners - in 2005. Peter’s practice focuses on all aspects of labour law, human rights, pay and employment equity law and Charter litigation. He has appeared at all levels of court, including the Supreme Court of Canada, and appears regularly before arbitrators, human righ...

Derek Keay is a partner in the firm’s Ottawa office. Derek practises corporate law with an emphasis on corporate finance and mergers and acquisitions, primarily involving emerging technology companies. His primary focus is on providing advice to Canadian and international companies, together with angel, venture capital and institutional investors in relation to debt and equity financing transactions. He also has extensive experience in advising companies, shareholders and acquirers in c...