Mary Opolko

Mary Opolko

Associate, Corporate

Contact Information

tel: 514.904.5787



Areas of Expertise

Bar Admission

  • Ontario (2017)
  • Québec (2014)


  • McGill University, B.C.L./LL.B.
  • McGill University, B.A. (First Class Joint Honours, Dean’s Honour List)


English, French

Based in Montréal, Mary practices corporate law with an emphasis on corporate finance, mergers and acquisitions and corporate governance. She has experience advising on international commercial transactions, notably in the mining and aviation industries. Prior to joining Osler, Mary worked as corporate counsel and assistant corporate secretary of a public company, and as legal counsel to an international trade association.

  • Fairstone Financial Inc.

    Fairstone Financial Inc. in connection with its US$300 million note offering

  • Smooch Technologies Holdings ULC

    Smooch Technologies Holdings ULC in its acquisition by Zendesk, Inc.

    • Radisson Mining Resources Inc., in connection with its acquisition of the New Alger Project.
    • Wrk Technologies Inc., in connection with its convertible note financing.
    • Syndicate of underwriters consisting of BMO Capital Markets, National Bank Financial Inc., CIBC Capital Markets, RBC Capital Markets, TD Securities Inc., Barclays Capital Canada Inc., Scotia Capital Inc., Raymond James Ltd., Eight Capital and PI Financial Corp., in connection with Lightspeed POS’ $287.9 million bought deal offering by way of a treasury and secondary issuance of subordinate voting shares.
    • Laurentian Bank Securities Inc. and Canaccord Genuity Corp., in connection with Quebec Precious Metals’ $6.5 million private placement offering of common shares and flow-through common shares.
  • Find More

  • Wonderball Committee, Young Professionals Group, St. Mary’s Hospital Foundation
  • Young Alumni Board, Faculty of Law, McGill University

  • Québec Bar Association
  • Law Society of Ontario