WeirFoulds LLP

About

WeirFoulds LLP is a Toronto-based, full-service law firm with a longstanding reputation for providing strategic, practical, and cost-effective legal advice to clients involved in complex construction, infrastructure, and development projects. Founded in 1860, the firm is one of Canada’s oldest law practices and has played a significant role in supporting the country’s legal and business landscape for over 165 years.

With deep roots in Ontario and a strong presence in the Greater Toronto Area, WeirFoulds serves a broad range of construction industry clients, including public sector organizations, municipalities, developers, contractors, subcontractors, lenders, and consultants, as well as multinational corporations and financial institutions. The firm has built its reputation by advising on complex construction and infrastructure projects. WeirFoulds has experience with both modular and site-built projects.

WeirFoulds is focused on four broad areas of practice: litigation, corporate law, property law, and government law. Within these areas, the firm offers integrated construction-related services spanning procurement and contract drafting, project structuring, real estate development, municipal and administrative law, regulatory compliance, and dispute resolution. Its litigation group regularly represents clients in construction disputes, including claims relating to delay, cost overruns, deficiencies, liens, and professional liability, with experience before courts, arbitrators, and administrative tribunals.

Drawing on its strengths across related practice areas, WeirFoulds provides coordinated advice at all stages of the construction lifecycle, from project planning through to completion and dispute resolution. The firm’s lawyers are consistently recognized in leading legal directories and rankings, reflecting a commitment to practical, client-focused service and effective risk management.