William C. Guinan

William C. Guinan: Attorney with Borden Ladner Gervais LLP
  • Partner at Borden Ladner Gervais LLP (893 Attorneys)
  • Centennial Place, East Tower, 1900, 520 - 3rd Avenue S.W., Calgary, AB, Canada M5H 3Y4
    View William C. Guinan's office location
  • Peer Reviews
    3.9/5.0 (16)
    Client Reviews
    No Reviews
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Executive Summary

William (Bill) Guinan is a partner in our Securities and Capital Markets Group in our Calgary office. Bill focuses his practice on securities and corporate finance, mergers & acquisitions, corporate governance, continuous disclosure matters and stock exchange requirements, as well as on oil & gas and banking matters. He represents public oil & gas issuers, and other industrial issuers, listed on both the Toronto Stock Exchange and on the TSX Venture Exchange, as well as private equity issuers, in equity and debt financing transactions, mergers & acquisitions, corporate governance matters and in various facets of oil & gas and corporate and commercial law. vBill also represents Canadian chartered banks in both single-lender and syndicated debt-financing transactions.

Rankings & Recognitions

•Recognized in the 2018 edition (and since 2014) of IFLR1000 - The Guide to the World's Leading Financial Law Firms (Highly Regarded - M&A).
•Recognized in the 2016 edition (and since 2013) of the Lexpert/Report on Business Special Edition on Energy.
•Selected by peers for inclusion in the 2012 - 2018 editions of The Best Lawyers in Canada (Natural Resources Law).
•Recognized in the 2015, 2014 and 2013 editions of The Canadian Legal Lexpert Directory (Corporate Mid-Market).
Martindale Hubbell BV Distinguished Peer Review Rated.

Areas of Practice (6)

  • Mergers and Acquisitions
  • Corporate Finance and Securities
  • Corporate Governance and Special Committees
  • Banking and Financial Services
  • Oil and Gas
  • Debt Capital Markets

Education & Credentials

Contact Information:
403-232-9458  Phone
403-266-1395  Fax
University Attended:
Acadia University, B.B.A., 1977; Dalhousie University, M.B.A., 1982
Law School Attended:
Dalhousie University, LL.B., 1982
Year of First admission:
1983, Alberta


•Member, Canadian Bar Association
•Member, Law Society of Alberta
•Director and/or Corporate Secretary for a number of public and private corporations, including issuers listed on the Toronto Stock Exchange and the TSX Venture Exchange, many of which are engaged in the oil & gas industry.

Reported Cases:
Representative Work; Lead counsel for Celtic Exploration Ltd. with respect to its acquisition by ExxonMobil with a transaction value of approximately $3.1 billion, 2012 and 2013. Lead counsel for Cutpick Energy Inc. with respect to its acquisition by Crescent Point Energy Corp. with a transaction value of approximately $425 million, 2012. Lead counsel for Emerge Oil & Gas Inc. with respect to its acquisition by Twin Butte Energy Ltd. with a transaction value of approximately $170 million, 2011 and 2012. Lead counsel for Celtic Exploration Ltd. with respect to numerous public offerings, including a public offering of $172.5 million convertible unsecured subordinated debentures, 2012, and a $125-million public offering of common shares, 2011. Lead counsel for a start-up private oil & gas issuer in connection with a $130-million private equity financing and related acquisition of producing oil & gas assets located in southeast Saskatchewan and southwest Manitoba, 2012. Lead counsel for a start-up private oil & gas issuer in connection with a $140-million private equity financing and related acquisition of producing oil & gas assets located in southwest Saskatchewan, 2012.

Peer Reviews

  • 3.9/5.0 (16 reviews)
  • A Martindale-Hubbell Peer Rating reflects a combination of achieving a Very High General Ethical Standards rating and a Legal Ability numerical rating.
  • Legal Knowledge

  • Analytical Capability

  • Judgment

  • Communication

  • Legal Experience


See All 16 Reviews »

*Peer Reviews provided before April 15, 2008 are not displayed.

Client Reviews

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Calgary, Alberta

  • Calgary, AB
    Centennial Place, East Tower , 1900, 520 - 3rd Avenue S.W.
    Calgary, AB M5H 3Y4

    403-232-9458 Phone

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