LAWYER PROFILE
Mark Longo

Mark Longo

Canada 2026

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Ranked in 1 practice area

About

Provided by Osler, Hoskin & Harcourt LLP

Canada

Practice Areas

Mark is Co-Chair of Osler’s Emerging and High Growth Companies Group and Managing Partner of Osler’s Vancouver office. Mark has over 25 years of experience in corporate finance, M&A and technology law, and has held general counsel, corporate secretary and senior executive positions for a number of private and publicly traded technology companies, including Intrinsyc Software International Inc., Star Data Systems Inc., and Datawire Communication Networks Inc.

In the three years immediately prior to joining Osler, Mark was a partner in the Vancouver office of a boutique law firm focused on the technology industry. Previous to that, Mark was a partner in the technology and corporate finance groups of a Vancouver-based law firm for over three years.

Mark is recognized by numerous industry publications including Chambers Canada (Startups & Emerging Companies), The Canadian Legal Lexpert Directory (Corporate Mid-Market; Mergers & Acquisitions; Technology Transactions), and IFLR 1000 (Capital Markets).

Career

McGill University, B.A. (with Distinction)

Queen’s University, LL.B.

University of Western Ontario, MBA

Bar Admission: British Columbia, 2009 | Ontario, 1994

Professional Memberships

Law Society of Ontario

Law Society of British Columbia

Ontario Bar Association

Canada Bar Association

British Columbia Technology Industry Association (BCTIA), Former BCTIA Technology Industry Award Judge

Victoria Advanced Technology Council (VIATEC), Board of Directors and Chair of Governance Committee

Foresight Cleantech Accelerator Centre, Board of Directors

Chambers Review

Provided by Chambers

Chambers Canada Guide

Startups & Emerging Companies - Nationwide - Canada

Band 1
Band 1

Individual Editorial
Mark Longo regularly provides guidance to emerging companies and venture capital funds in early and late-stage financing rounds. He co-chairs the firm's emerging and high-growth companies practice in Vancouver.

Strengths

Provided by Chambers

  • I've depended on his insights for numerous issues, and he consistently offers practical and thoughtful advice that aids us in navigating complex challenges.

    Startups & Emerging CompaniesChambers Canada Guide
  • He's very rational, with his tenure he has a lot of experience and he has a solid team around him. We get really timely advice.

    Startups & Emerging CompaniesChambers Canada Guide

Ranked Individuals at Osler, Hoskin & Harcourt LLP (199)

Alberta

British Columbia

Nationwide - Canada

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