Susan Tomaine, Vancouver

About Susan

Susan is an experienced advisor to public and private companies and investors, specializing in mergers and acquisitions and corporate finance, as well as corporate governance matters and compliance with securities legislation.

Susan has extensive mergers and acquisitions experience, including advising public acquirors and targets in complex business combinations and take-over bids, special committees in acquisitions and going-private transactions, and private buyers and sellers in cross-border private equity and strategic acquisitions. She is particularly experienced in cross-border transactions, having previously worked in the U.S. and London, England.

She has deep expertise in financing transactions, including initial public offerings, public equity financings, and private equity and venture capital rounds. Susan has represented underwriters, investing funds, public issuers and private companies.

In the area of commercial and corporate law, Susan expertly assists clients with negotiating strategic relationships, including complex collaboration agreements, shareholder agreements and strategic joint ventures.

Susan is a member of Blakes Executive Committee.

Select Experience

Recent representative transactions include advising:

Mergers & Acquisitions

Carbon Engineering Ltd. on its acquisition by Oxy Low Carbon Ventures, a wholly-owned subsidiary of Occidental Petroleum Corporation for US$1.1-billion
IAA, Inc. in connection with its acquisition by Ritchie Bros. Auctioneers Incorporated for US$7.3-billion
Fiserve, Inc. in connection with its acquisition of Payfare Inc. for US$140-million
Naylor Building Partnerships in connection with its sale to Service Logic
JX Nippon Mining & Metals Corporation on its acquisition of eCycle Solutions Inc.
PayPal Holdings, Inc. in its acquisition of HyperWallet Systems Inc. for US$400-million
Photon Control Inc. on its acquisition by MKS Instruments, Inc. for C$387-million
Central 1 Credit Union as a shareholder on the merger of Credential Financial Inc., QTrade Canada Inc. and NEI Investments to create Aviso Wealth Inc.
T&T Supermarkets Inc. in its C$225-million acquisition by Loblaws Companies Ltd

Mergers & Acquisitions - Mining

Dhilmar Ltd. in its acquisition of the Éléonore gold mine from Newmont Corporation
Fortuna Silver Inc. in its acquisition of Roxgold Inc. for C$1-billion
Sabina Gold & Silver Corp. in connection with its acquisition by B2 Gold Corp. for C$1.1-billion
Gold Standard Ventures Corp. in connection with its acquisition by Orla Mining Ltd. for C$240-million
Arctic Canadian Diamond Company in its acquisition by Burgundy Diamond Mines in a transaction valued at US$136-million
Special Committee of the Board of Directors of Horizon Copper Corp. in connection with its acquisition by Royal Gold, Inc. for US$196-million, concurrent with Royal Gold Inc.'s acquisition of Sandstrom Gold Ltd. for approximately US$35-billion
Special Committee of the Board of Directors of Corvus Gold Inc. in connection with its acquisition by AngloGold Ashanti Plc for US$370-million
Gold Standard Ventures Corp. in connection with its acquisition by Orla Mining Ltd. for C$240-million
Orca Gold Inc. in connection with its acquisition by Perseus Mining Limited for US$155-million
Washington Companies in connection with its C$1.5-billion acquisition of Dominion Diamond Corporation and related debt financings
Lucara Diamond Corp., in connection with the its acquisition of the Karowe Mine in Botswana
Kaminak Gold Corporation, a gold exploration company, on its acquisition by Goldcorp Inc. for C$520-million
Lundin Gold Inc. in connection with its US$240-million acquisition of the Fruta del Norte Project from Kinross Gold Corp.
QuadraFNX Mining Ltd. in connection with its acquisition by KGHM Polska Miedz S.A. in a transaction valued at C$3.5-billion

Private Equity and Venture Capital Investing

Lion Capital and other vendors in the sale of Spence Diamonds to Triwest Capital Partners
ISquared Capital in connection with its acquisition of Trailer Wizards and subsequent integration with TIP Canada Fleet Leasing, and the combination of Transportation Equipment Network and TIP Canada
TowerBrook Capital Partners in its acquisition of CBTS from altafiber (formerly doing business as Cincinnati Bell)
Weathervane Investments in its acquisition of Xpera from SCM Insurance Services, a portfolio company of Warbug Pincus and in its co-investment with Fengate Private Equity in Saco Foods
Ontario Teachers' Pension Plan on its equity partnership with IFM Investors and British Columbia Investment Management in GCT Global Container Terminals
Indochino Apparel Inc. in strategic investments by Mitsui & Co. and Dayang Group, as well as investments by Madrona Venture Capital and Porchlight Equity Management
GGV Capital in their investment in Arteria AI

Capital Markets

Fortuna Mining Corp. in its US$172.5-million convertible senior notes offering and US$69-million bought deal financing
Lucara Diamond Corp. in its C$41.4-million bought deal financing
Tectonic Metals Inc. on its initial public offering by way of direct listing and subsequent financings
ABC Technologies Holdings Inc. on its C$110-million initial public offering
Arras Minerals Corp. in its initial public offering and subsequent financings
A syndicate of underwriters led by Raymond James Ltd. and Stifel GMP on the initial public offering of Montage Gold Corp.
A syndicate of underwriters co-led by Canaccord Genuity Corp. and National Bank Financing Inc. in Allied Gold Corporation's C$80-million bought deal financing
GCT Global Container Terminals Inc. in connection with its C$1.02-billion refinancing

Awards & Recognition

Susan has been recognized as a leading lawyer in the following publications:

The Best Lawyers in Canada – (2025–2026: Leveraged Buyouts and Private Equity Law, Mergers and Acquisitions Law)
The Canadian Legal Lexpert Directory – (2019–2025: Corporate Finance & Securities, Mining, Private Equity; 2020–2025: Corporate Commercial Law, Mergers & Acquisitions; 2020, 2023–2025: Corporate Mid-Market)
Lexpert Special Edition: Finance and M&A 2025
Lexpert Special Edition: Mining – 2023–2025
The Legal 500 Canada 2025 (Energy and Natural Resources: Mining)
Lexpert Special Edition: Energy 2024
BCBusiness (B.C.’s Most Influential Women in Finance 2019)

In 2016, Susan was recognized as one of Business in Vancouver's Forty Under 40 and by Lexpert as one of Canada's Rising Stars: Leading Lawyers Under 40.