Kim Maguire

Kim is a partner in the Tax Group of our Vancouver office. Her practice includes advising clients across the mining, technology, real estate, investment management and cannabis sectors. Kim has a wide array of experience with reorganization and financing transactions, M&A, and establishing investment and mortgage funds. She also has expertise in developing structures for international clients conducting business in Canada, as well as Canadian companies with international operations.

Kim is active in the Canadian and international tax community and she frequently presents at tax conferences and events. Kim is currently serving on the Executive of the Canadian branch of the International Fiscal Association (IFA) as Treasurer and oversees the Women of IFA Network in Canada.

Kim has completed the CPA Canada In-depth Tax Program.

Prior to joining Osler, Kim was a partner at two other Canadian national law firms.

Representative Work

  • National Bank of Canada Financial Markets

    The syndicate of underwriters in the US$2.50 billion bond offering by the Province of British Columbia

  • Cuboh

    Cuboh in its acquisition by ChowNow

  • Frontier Lithium Inc.

    Frontier Lithium Inc. in its Joint Venture with Mitsubishi Corporation to develop the PAK Lithium Project

  • CheckSammy

    CheckSammy in its US$45 million financing round led by I Squared Capital with participation by Zero Infinity Partners and TriplePoint Capital

  • Boart Longyear Company

    Boart Longyear in the sale of its shares to American Industrial Partners Capital Fund

Prior to joining Osler:

  • A private company on structuring of a $415 million land contribution to a real estate development partnership
  • Nanotech Security Corp. on its $90.8 million acquisition by Meta Materials Inc.
  • The Supreme Cannabis Company, Inc. on its $435 million acquisition by Canopy Growth Corporation
  • MYM Nutraceuticals on its acquisition by IM Cannabis Corp.
  • Finning International Inc. on its $260 million acquisition of 4Refuel and subsequent reorganization transactions
  • Pan American Silver Corp. on its acquisition of Tahoe Resources Inc. for $1.3 billion
  • Imperial Metals on sale of BC mine interest for over $1 billion and joint venture with Newcrest Mining
  • A Canadian tax-exempt professional organization on cross border investments

Latest Insights

  • Webinar Apr 25, 2024

    Canadian Tax Law Insights: Key tax measures in Budget 2024 affecting Founders and Emerging Companies

    Join members of Osler’s National Tax practice for an overview of the key measures introduced in Budget 2024.

    Read more
    Canadian Tax Law Insights: Key tax measures in Budget 2024 affecting Founders and Emerging Companies
  • Osler Update Mar 4, 2024

    Department of Finance releases consultation papers on patent box regime and SR&ED

    The Department of Finance opened two consultations regarding a new patent box regime and the existing SR&ED program with comments due by April 15.

    Read more
    Department of Finance releases consultation papers on patent box regime and SR&ED
  • Osler Update Dec 4, 2023

    Revised EIFEL legislation in implementation bill

    The Canadian federal government introduced an implementation bill and related explanatory notes on November 30, 2023, that includes the revised EIFEL ...

    Read more
    Revised EIFEL legislation in implementation bill
  • Webinar Apr 4, 2023

    2023 Budget Briefing: Key Updates and Proposals

    Watch members of Osler’s Tax practice group for an informative webinar discussion of recent legislative amendments and proposals included in the Canad...

    Read more
    2023 Budget Briefing: Key Updates and Proposals
View all Insights

Awards and Recognition

  • The Canadian Legal Lexpert Directory: Recognized in Corporate Tax
  • Best Lawyers in Canada: Recognized in Tax Law

Media Mentions

  • Osler News Aug 25, 2023

    Osler recognized as a Tier 1 firm in ITR’s World Tax Guide 2024

    Osler is proud to once again be recognized as a Tier 1 firm in the 2024 edition of the International Tax Review’s World Tax guide. Additionally, 19 of...

    Read more
  • Osler News Apr 19, 2023

    42 Osler lawyers recognized by Lexpert as leaders in Finance and M&A

    Osler is proud to announce 42 of our lawyers have been recognized as leaders in the Lexpert Special Edition: Finance and M&A 2023.

    Read more
  • Media Mentions Sep 2, 2022

    Managing the tax impact of cross-border remote work arrangements: A Canadian perspective

    The tax implications of cross-border remote work arrangements is discussed by Kim Maguire and Ilana Ludwin in the Tax Management International Journal...

    Read more
  • Osler News Jul 6, 2022

    Kim Maguire joins Osler’s Tax Group in Vancouver as a Partner

    Kim Maguire has joined Osler’s Tax Group in Vancouver with extensive experience providing mergers and acquisitions tax advice, private equity, cryptoc...

    Read more

Community Involvement

  • International Fiscal Association (Canada), Treasurer and Council Member
  • Women of IFA Network (Canada), Chair
  • IFA North American Region, Secretary and Canadian Representative
  • Young IFA Network (Canada) Steering Committee, Chair and Member (2013 to 2016)
  • CTF Vancouver Young Practitioners Steering Committee, Co-Chair (2010 to 2014)

Speaking and Writing

Speaking Engagements

speaker 14/5/2024
2024 IFA Canada Tax Conference
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speaker 25/4/2024
Canadian Tax Law Insights: Key tax measures in Budget 2024 affecting Founders and Emerging Companies
Read more
speaker 04/4/2023
2023 Budget Briefing: Key Updates and Proposals
Read more

Published Work


Author with Ilana Ludwin, “An Income Tax Perspective on Hootsuite Inc. v. British Columbia (Finance)”, International Tax Highlights, 2023

Author with Camille Andrzejewski, “Taxation of Data-Driven Transactions”, International Tax Highlights, 2023

Author, “Crafty Declaratory Relief Denied”, International Tax Highlights, 2022

Author, “Partnership Dissolutions: The Undivided Interest Condition”, Canadian Tax Focus, 2014

Author with Randy Morphy, Update on the Taxation of Farm-Outs”, Resources Sector Taxation (Federated Press), 2013
Previous Speaking Engagements

Speaker, “Excessive Interest and Financing Expenses Limitation Rules”, Continuing Legal Education BC, June 2023

Speaker, “Recent Transactions of Interest”, IFA Canada Tax Conference, Calgary, May 2023

Speaker, “Managing the Tax Impact of Cross-Border Remote Work Arrangements: A Canadian Perspective”, Tax Management International Journal, 51 Tax Mgmt. Int’l J. No. 9, September 2, 2022

Moderator, “Department of Finance Roundtable”, IFA Canada Tax Conference, Toronto, May 2022

Speaker, “Global Mobility”, IFA North American Region Meeting, Mexico City, May 2022

Speaker, “Maximize Shareholder Value, Minimize Tax: A Discussion of Spin Out Transactions”, Tax Executive Institute Meeting (Virtual), April 2022

Speaker and author with Jeffrey Shafer, “Trends in Buy/Sell Transactions”, CTF 73rd Annual Tax Conference Report, November 2021

Moderator, “Canada Revenue Agency Roundtable”, IFA Canada Tax Conference, Toronto, May 2019

Speaker, “Canadian Tax Developments”, IFA Canada Tax Conference, Montreal, May 2017

Secretary, “Taxation of Illegal Activities”, 70th Annual Congress of the International Fiscal Association, October 2016



  • Queen’s University, JD
  • University of British Columbia, BA


  • English

Professional Affiliations

  • Canadian Bar Association
  • Law Society of British Columbia
  • International Fiscal Association (IFA)
  • Canadian Tax Foundation (CTF)