Department profile
Osler, Hoskin & Harcourt LLP

Energy: Oil & Gas (Regulatory)

Canada Guide 2026 : Nationwide - Canada

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Osler, Hoskin & Harcourt LLP

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About

Provided by Osler, Hoskin & Harcourt LLP

Osler’s Oil & Gas Group has worked with leading participants in every aspect of the sector on business-critical projects and transactions from coast to coast, and in the process has developed market leading expertise in structuring complex joint ventures, completing strategic mergers and acquisitions, undertaking high profile regulatory proceedings, and developing and project financing major infrastructure projects. Clients include multi-national E&P companies, infrastructure companies, private equity and pension funds, state-owned enterprises, mid-market energy and midstream companies, renewable energy developers, pipeline companies, and multi-party consortiums.

Chambers Review

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Energy: Oil & Gas (Regulatory) - Nationwide - Canada

What the Team is Known For
Osler, Hoskin & Harcourt plays a leading role in oil and gas and LNG project development in Canada. With a strong bench of transactional and regulatory lawyers, the firm also has a proven track record of handling significant M&A, joint venture and restructuring transactions, as well as offshore matters. The practice acts for a range of clients, including exploration and production companies, mid-market energy companies and private equity funds.
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Work Highlights

Provided by Chambers

  • Osler, Hoskin & Harcourt advised Westbrick Energy on its CAD1.1 billion acquisition by Vermilion Energy.

Strengths

Provided by Chambers

  • Commercially, the lawyers are practical and supportive.

    Energy: Oil & Gas (Regulatory) respondentCanada

  • Osler has a deep understanding of the industry and deep expertise in various areas of the law.

    Energy: Oil & Gas (Regulatory) respondentCanada

  • Osler has continually provided opinions that have helped us to manage difficult situations.

    Energy: Oil & Gas (Regulatory) respondentCanada

  • Osler has deep knowledge of our space, prompt engagement and very good availability on short notice.

    Energy: Oil & Gas (Regulatory) respondentCanada

Notable Practitioners

Provided by Chambers

  • Craig Spurn
    Craig Spurn

    Craig Spurn

    Craig Spurn acts out of the firm's Calgary office and has wide-ranging expertise in oil and gas M&A and commercial matters arising from the energy sector. He is noted for his skill in representing natural gas and oil clients in procurement and joint ventures.

    • He's very thoughtful and has great industry experience.

      Energy: Oil & Gas (Regulatory) respondentCanada

    • He has very strong legal knowledge paired with a very strong commercial awareness.

      Energy: Oil & Gas (Regulatory) respondentCanada

    • Craig has always been able to provide solid and creative solutions for complex problems and is able to break down complex issues so they can be explained.

      Energy: Oil & Gas (Regulatory) respondentCanada

    • He is very practical, an excellent negotiator and is a trusted adviser.

      Energy: Oil & Gas (Regulatory) respondentCanada
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  • Janice Buckingham
    Janice Buckingham

    Janice Buckingham

    Premier oil and gas lawyer Janice Buckingham, KC, acts on an impressive range of domestic and international M&A and project financing matters, providing further counsel on commercial mandates. She co-chairs the firm's oil and gas practice from its Calgary office.

    • I can't say enough good things about her. She knows us and she knows her clients.

      Energy: Oil & Gas (Regulatory) respondentCanada
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  • Sander Duncanson
    Sander Duncanson

    Sander Duncanson

    Based in Calgary, Sander Duncanson is noted for his robust oil and gas regulation practice, representing oil and gas clients before national and provincial regulators in facilities applications and environmental assessments.

    • Sander is an excellent lawyer and great thought partner to the business.

      Energy: Oil & Gas (Regulatory) respondentCanada

    • He is phenomenal. We inherently trust him in the regulatory space.

      Energy: Oil & Gas (Regulatory) respondentCanada

    • Sander is a strong advocate for his clients and immerses himself in the topics at hand, while keeping the objectives of the business in mind.

      Energy: Oil & Gas (Regulatory) respondentCanada
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  • Brad Gilmour
    Brad Gilmour

    Brad Gilmour

    Brad Gilmour provides expertise in energy and environmental regulation, covering matters including facilities applications and compliance. He acts on behalf of private and public organisations out of the firm's Calgary office.

    • Brad is an amazing regulatory lawyer.

      Energy: Oil & Gas (Regulatory) respondentCanada
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  • George Antonopoulos
    George Antonopoulos

    George Antonopoulos

    Based in the firm's Calgary office, George Antonopoulos handles a wide array of M&A, asset sales and project developments in the oil and gas sector.

    • He is very thorough, knows the market and is able to give advice on what is normally done in situations. He has a very thorough knowledge of the oil and gas industry.

      Energy: Oil & Gas (Regulatory) respondentCanada

    • George is one of the strongest commercial lawyers in the city.

      Energy: Oil & Gas (Regulatory) respondentCanada

    • He is a very good lawyer who is very thoughtful and pragmatic

      Energy: Oil & Gas (Regulatory) respondentCanada
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  • Simon Baines
    Simon Baines

    Simon Baines

    Simon Baines is esteemed for the breadth of his experience across transactional mandates in the oil and gas sector, as well as advising on the commercial aspects of projects and facilities development. He is based out of the firm's Calgary office.

    • Simon is knowledgeable, practical and has great judgement.

      Energy: Oil & Gas (Regulatory) respondentCanada

    • Simon has great industry knowledge.

      Energy: Oil & Gas (Regulatory) respondentCanada
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  • Vivek Warrier
    Vivek Warrier

    Vivek Warrier

    Calgary-based Vivek Warrier is a widely respected oil and gas lawyer sought after for his handling of project development and M&A within the petroleum and natural gas industry, including on LNG matters.

    • There are very few lawyers in Canada as qualified and client-focused as Vivek Warrier. He is a leader in the field.

      Energy: Oil & Gas (Regulatory) respondentCanada

    • Vivek is great to work with and he has strong commercial acumen.

      Energy: Oil & Gas (Regulatory) respondentCanada
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Ranked Individuals at Osler, Hoskin & Harcourt LLP (7)

Nationwide - Canada

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