Ted Thiessen Photo
Ted Thiessen Photo
Ted Thiessen Photo

Ted Thiessen is a partner in the Calgary and Vancouver office and a member of the Tax Group. Recognized as a leading lawyer in the area of tax law by Best Lawyers in Canada (2019-2021), Ted regularly advises Canadian-based multi-national groups and private equity investors with respect to the tax aspects of corporate mergers and acquisitions, divestitures, reorganizations and financing transactions. Ted’s practice focuses on transactions involving the resource sector, and he represents a number of clients with upstream and midstream related assets and investments.

A secondary focus of Ted’s practice involves advising established and emerging businesses on the design and implementation of long-term incentive plans.


Expertise


Representative Matters

  • Tax counsel to Canadian FinTech company in connection with its IPO
  • Tax counsel to US-based acquiror of Canadian publicly traded company via an exchangeable share transaction
  • Tax counsel to US-based producer in its sale of Canadian oil sands and gas assets for total proceeds of $17 billion
  • Tax counsel to Canadian-based producer in connection with the sale of royalty interests for $1.8 billion
  • Tax counsel to Canadian environmental solutions company in connection with a $3.5 billion recapitalization transaction
  • Tax counsel to Canadian publicly traded pipeline company in connection with $3.2 billion corporate acquisition
  • Tax counsel to underwriters in connection a $175-million issuance of medium term notes by a publicly traded energy infrastructure company

Speaking Engagements

Resource Partnership Dissolutions

Canadian Petroleum Tax Society Fall Lecture Series (presenter)

Capital Gains Exemption

Canadian Petroleum Tax Society Fall Lecture Series (presenter)

Partnership Reorganizations and Wind-Ups

Tax Executives Institute (Calgary) (presenter)

The Tax Treatment of Intangibles

Canadian Petroleum Tax Society Annual Conference, (co-presenter)

The Functional Currency Rules: A Primer

Prairie Provinces Tax Conference, (co-presenter)

News


Rankings & Recognitions

  • Recognized by Best Lawyers in Canada (2025) as a leading lawyer in the area of Tax Law
  • Recognized in the 2024 Canadian Legal Lexpert Directory as a Repeatedly Recommended Lawyer in the area of Corporate Tax
  • Recognized by Best Lawyers in Canada (2024) as a leading lawyer in the area of Tax Law
  • Recognized in the 2023 Canadian Legal Lexpert Directory as a Repeatedly Recommended Lawyer in the area of Corporate Tax
  • Recognized by Best Lawyers in Canada (2023) as a leading lawyer in the area of Tax Law
  • Recognized in the 2022 Canadian Legal Lexpert Directory as a Repeatedly Recommended Lawyer in the area of Corporate Tax
  • Listed in the Legal500 Canada 2022 as a Recommended Lawyer – Tax
  • Recognized by The Best Lawyers in Canada 2019, 2020, 2021 and 2022: Tax Law.

Community Involvement

  • South Bow River Softball Association (Coach)
  • Fish Creek Little League (Coach)

Directorships & Affiliations

  • Canadian Tax Foundation
  • Canadian Petroleum Tax Foundation
  • Canadian Bar Association
  • Law Society of Alberta

Education & Admissions

2023
Called to the British Columbia Bar
2004
Called to the Alberta bar
2004
Bachelor of Laws University of Manitoba
2000
Bachelor of Arts (received the Gold Medal for highest standing in Classics)University of Manitoba

Publications

  • The New National Program to Increase Investment in Clean & Renewable Energy“, Energy Regulation Quarterly (August 2023)
  • “In-brief: post acquisition planning in Canada”, Lexology (co-author)
  • “Q&A: tax on acquisitions in Canada”, Lexology (co-author)
  • “Canadian Tax – The 75% Wage Subsidy”, Gowling WLG Bulletin (co-author)
  • “Canadian Oil & Gas Law and Practice”, Chambers Global Practice Guide 2016 (coauthor)

Insights (6 Posts)View More

Featured Insight

AI Data Centre Development in Alberta

AI is on the rise and data centres are needed. Alberta provides unique opportunities to develop AI data centres and McMillan has the expertise to get it done.

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Jul 24, 2024
Featured Insight

Budget 2024: Clean Energy Incentives and Resource Sector Measures

Budget 2024 prioritizes Canada’s transition to a net-zero economy and contains several measures aimed at facilitating that ongoing transition.

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Apr 19, 2024
Featured Insight

How to do it Right: Legal Necessities of Launching a Tech Start-up

An overview of the necessary legal components of tech start-ups.

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Apr 8, 2024
Featured Insight

Budget 2023: Clean Energy Incentives and Resource Sector Measures

Budget 2023, announced by the Federal Government on March 28, 2023, contains several measures aimed at facilitating Canada’s transition to a net-zero economy

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Mar 31, 2023
Featured Insight

CRA Issues Guidance on Critical Mineral Exploration Tax Credit and Certification Requirements

Canada Revenue Agency Issues Guidance on 30% Critical Mineral Exploration Tax Credit and Certification Requirements

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Oct 19, 2022
Featured Insight

Budget 2022: Significant Changes to the Flow-Through Share Program Unveiled

Budget 2022: Changes to the Flow-Through Share Program Unveiled

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Apr 11, 2022

Deals & Cases (5 Posts)

Featured Insight

McMillan Advises Taseko Mines in Filing its Cross-Border US$600 Million Base Shelf Prospectus and US$50 Million “At-The-Market” Offering

McMillan advised Taseko Mines Limited (“Taseko”) (TSX: TKO) in filing a US$600 Million base shelf prospectus in all provinces of Canada, except Québec, and a corresponding shelf registration on Form F-10 with the United States Securities and Exchange Commission.

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May 3, 2024
Featured Insight

Bonterra Resources Inc. Completes CAD$8.5 Million Private Placement

Bonterra Resources Inc. (TSXV: BTR.V) (“Bonterra”) announced the closing of a brokered private placement of hard-dollar and flow-through units for gross proceeds of approximately $8.5 million. Eight Capital (“Eight”) acted as the lead agent and sole bookrunner on the private placement.

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May 3, 2024
Featured Insight

Circa Completes Amalgamation with Sicane Group SAS and Spinout of Telecom Assets

On April 14, 2023, Circa Enterprises Inc. (TSVX: CTO) ("Circa") and Sicame Group SAS ("Sicame") announced the completion of the amalgamation of Circa and 2023 Sicame Amalco Inc. ("SubCo") (the "Amalgamation") pursuant to the amalgamation agreement among Circa, Sicame Canada Holdings Inc.

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Apr 14, 2023
Featured Insight

Avcorp Industries Completes Plan of Arrangement with Latécoère S.A.

On November 7, 2022, Avcorp Industries Inc. (TSX:AVP) (“Avcorp”) closed its CAD$139 million acquisition by Latécoère S.A. (“Latécoère”). The acquisition was affected by way of a court-approved plan of arrangement under the Canada Business Corporations Act, pursuant to which Latécoère acquired all the issued and outstanding common shares of Avcorp for considerations of $0.11 in cash per share.

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Nov 7, 2022
Featured Insight

Uranium Energy acquires UEX Corporation creating the largest diversified North American focused uranium company

On August 22, 2022, Uranium Energy Corp (NYSEAM: UEC) ("UEC") closed its previously announced plan of arrangement (the "Arrangement") under the Canada Business Corporations Act, pursuant to which UEC acquired all of the issued and outstanding common shares of UEX Corporation ("UEX") that it did not already own.

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Aug 22, 2022