Sean Muggah


[email protected]

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Sean represents and advises clients on a wide range of corporate and commercial matters, with a particular focus on highly regulated industries and sectors.

He has extensive experience with mergers and acquisitions, disposition and acquisition of businesses on behalf of Canadian, U.S. and international companies, cross-border transactions, corporate reorganizations, joint ventures and partnership agreements in a wide variety of industries.

His practice spans a variety of sectors, including infrastructure and energy projects, and power and electricity.

He advises financial institutions (including credit unions, trust companies and insurance companies) on regulatory and other corporate/commercial matters.

Sean also has extensive experience advising clients in the education and not-for-profit sectors.

From 2000 to 2003, Sean was foreign counsel with the law firm of Nishimura & Partners (now Nishimura & Asahi) in Tokyo, Japan, where his practice focused on cross-border commercial transactions.

Within BLG, Sean is the Regional Manager of our Corporate Commercial and Securities and Capital Markets Groups.

Sean fournit des services juridiques par l’intermédiaire d’une société professionnelle.


  • Vendors in the sale of a North American equipment distribution business.
  • Vendors in the sale of a Western Canadian foundry business.
  • Investor dealers in the acquisition and sale of Canadian brokerage businesses.
  • An engineering/construction multinational in its acquisition of a Canadian engineering company.
  • A financial institution in its acquisition of a Canadian commercial leasing business.
  • A Chinese company in its disposition of a technology business.
  • Vendors in the sale of one of British Columbia's largest cattle ranches.
  • A purchaser in its acquisition of a Canadian retail business.
  • UMA Engineering in respect of its merger and court-approved cross-border acquisition transaction and corporate arrangement with AECOM.
  • Major Korean companies in respect of mining ventures in Canada, the United States and Africa.
  • Negotiating and managing multiple power purchase agreements for wind, biomass, waste heat, run-of-river, reservoir and natural gas projects.
  • B.C. Hydro in the development and implementation of renewable energy calls for power in B.C., including the 2008 Bioenergy Phase I Call for Power, the 2008 Clean Energy Call for Power, and the 2010 Bioenergy Phase II Call for Power.
  • Design-builders in respect of numerous public-private partnership projects across Canada, including the Champlain Bridge, Evergreen Line, Alberta Schools Projects (ASAP 2 and 3), Surrey Outpatient Clinic, Royal Jubilee Hospital, Fort St. John Hospital, and New Brunswick Schools Project.
  • Owners in the energy, infrastructure and mining sectors on the legal aspects of design and construction, including tendering and bidding documentation; engineer, procure and construction management (EPCM) agreements; and engineer, procure and construct (EPC) agreements.
  • B.C. Hydro in respect its $1.5 billion outsourcing and partnership transaction with Accenture and related ongoing matters.
  • Roche in its $1.4 billion acquisition of a controlling interest in a Japanese pharmaceutical company.
  • Weyerhaeuser Company Limited in the disposition of its coastal B.C. division to Brascan Corporation for $1.2 billion, and in the disposition of its Canadian building materials distribution business to a U.S. private equity firm.
  • School boards, independent schools and post-secondary institutions on education law and corporate/commercial issues.
  • Partnership and joint venture arrangements involving professional organizations in various sectors, including the construction/ engineering, architecture and computer service industries.

Beyond Our Walls

Professional Involvement

  • Member, Clean Energy BC
  • Member, American Bar Association (Business Law Section and Section of International Law)
  • Member, Inter-Pacific Bar Association – Joint-Committee Member for Canada
  • Member, Association for Corporate Growth

Community Involvement

  • Chair and Director, Covenant House Vancouver, 2006-present
  • Volunteer, BLG Reads to Kids
  • Past Co-Chair, BLG’s United Way Campaign

Awards & Recognitions

  • Recognized in the 2024 (and since 2014) editions of The Best Lawyers in Canada® (Corporate Law).
  • Recognized in the 2024 edition (and since 2014) of The Canadian Legal Lexpert Directory (Corporate Mid-Market; Private Equity) and in the 2023 edition (and since 2014) (Corporate Commercial Law).
  • Recognized in the 2023 and 2022 editions of Lexpert Special Edition: Finance and M&A
  • Recognized in the 2023, 2021, 2019 editions (and since 2014) of the Lexpert®/ROB Special Edition – Canada's Leading Energy Lawyers.
  • Recognized as a leading infrastructure lawyer in the 2019, 2018, 2015 and 2014 editions of the Lexpert®/ Report on Business Special Edition on Infrastructure.

Bar Admission & Education

  • Colombie-Britannique, 1998
  • LLB/BCL, Université McGill, 1997 (included one-year exchange at the National University of Singapore)
  • BA, Université de Toronto, 1992