Gabriel Lefebvre

Partner

Montréal
[email protected]
514.954.2580

Gabriel specializes in construction law and his practice focuses mainly on major infrastructure projects and contractor claims. He represents and advises owners, contractors and surety companies with regard to all aspects of the construction industry and engineers’ professional liability.

His clients count on his expertise to find practical solutions to complex, high-stakes problems. Gabriel is particularly interested in questions related to:

  • claims for extras and impact costs
  • calls for tenders
  • guarantees
  • licensing and permit requirements
  • legal hypothecs
  • legislation applying to construction, such as the Building Act and the Act Respecting Contracting by Public Bodies

He also prepares litigation matters and pleads before all judicial bodies in Québec, favouring alternative dispute resolution when possible.

Gabriel frequently speaks at conferences for construction industry organizations and associations.

He leads the BLG's Regional Group Manager, Disputes Commercial & Construction.

Experience

  • Assists and represents various contractors in claims against major institutional work providers
  • Member of the BLG team working for the contractor in charge of the REM construction project
  • Represented various major engineering firms in multi-million dollar cases against the ministry of transportation and municipalities
  • Advises contractors on matters related to claims for extras and impact costs
  • Advises and assists clients on regulatory matters, and negotiates and drafts agreements relating to infrastructure projects
  • His experience in professional liability litigation has endowed Gabriel with a sound knowledge of insurance-related matters
  • Acts as guest speaker at major conferences in the field of construction

Beyond Our Walls

Professional Involvement

  • Member, Construction Law Section, Canadian Bar Association, Québec Branch, since 2015
  • Chair, Construction Law Section, Canadian Bar Association, Québec Branch, 2018-2021
  • Member, Canadian Bar Association
  • Member, Association of Consulting Engineering Companies

Awards & Recognitions

  • Recognized in the 2025 edition (and since 2021) of The Best Lawyers in Canada (Construction Law).
  • Recognized in the 2024 edition (and since 2021) of The Canadian Legal Lexpert® Directory (Construction Law).
  • Recognized in the 2024 edition of Benchmark Litigation Canada as a Litigation Star (Construction).
  • Recognized in the 2024 edition (and since 2020) of The Lexpert®/ROB Special Edition on Canada’s Leading Infrastructure Lawyers.
  • Recognized in the 2023 edition of The Legal 500 Canada (Construction).

Bar Admission & Education

  • Québec, 2005
  • Accelerated Leadership Program, Harvard Law School, 2020
  • LLB, Université de Montréal, 2003