LAWYER PROFILE
Marianne Smith

Marianne Smith

Canada 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 2 practice areas

About

Provided by Blake, Cassels & Graydon LLP

Practice Areas

Marianne has over 20 years of experience in the areas of public procurement, public infrastructure, construction and public-private partnerships. She advises clients on the development, preparation and ongoing administration of public tenders and procurement processes, and the development and negotiation of commercial agreements for the design, construction, financing and maintenance of infrastructure.

Marianne is a leading expert on the procurement chapters of domestic and multinational trade agreements and is routinely called upon by clients to conduct in-house training on best practices in managing procurement processes in Canada.

Marianne acts for domestic and international clients in a wide range of sectors, including transit and transportation, civil infrastructure, roads and bridges, water and wastewater, health-care services, information technology, gaming, energy and mining. She also regularly acts for both procuring entities and bidders with respect to conducting a successful procurement process, fairness issues, mitigating procurement risk and avoiding compliance issues. In particular, Marianne has expertise in the procurement of mega infrastructure development projects across multiple jurisdictions, including municipal, provincial, federal and international and has been at the forefront of many municipal major projects.

Marianne is leading the Blakes team on a number of major projects including Metrolinx’s GO Rail Expansion Project and Hamilton Light Rail Project, the City of Toronto’s F.G. Gardiner Expressway Rehabilitation Project, VIA Rail on its acquisition of new fleet for its Long Distance, Regional and Remote Services, and the Toronto Transit Commission’s Bloor-Yonge Capacity Improvements Project.

Chambers Review

Provided by Chambers

Chambers Canada Guide

Projects: PPP & Infrastructure - Nationwide - Canada

Band 1
Band 1

Individual Editorial

Marianne Smith assists a range of provincial and municipal authorities with the procurement aspects of public infrastructure projects. Operating out of the firm's Toronto office, she is experienced across a range of sectors including civil infrastructure, transportation and healthcare.

Public Procurement - Nationwide - Canada

Band 1
Band 1

Individual Editorial

Marianne Smith is reputed for her handling of significant matters in relation to procurement law. She is based out of Blake, Cassels & Graydon's Toronto office, but has significant experience advising municipal clients from provinces across Canada.

Strengths

Provided by Chambers

  • She has an exceptional knowledge base.

    Projects: PPP & InfrastructureChambers Canada Guide
  • Marianne has a huge knowledge base, particularly in procurement law and really good commercial sense and drafting skills. She can strike a balance between the best legal and practical solution.

    Projects: PPP & InfrastructureChambers Canada Guide
  • Marianne is very strong. She is really knowledgeable across all assets, has a good depth of knowledge and grasp on issues and is a really strong advocate for us.

    Projects: PPP & InfrastructureChambers Canada Guide
  • Marianne is really knowledgeable across all assets and has really good depth of knowledge and grasp on issues. She is a really strong negotiator and advocate for us.

    Public ProcurementChambers Canada Guide
  • She is known by public owners, private industry and lawyers across Canada as an expert in her field of public sector infrastructure contracts.

    Public ProcurementChambers Canada Guide
  • Marianne is an exceptional lawyer and exudes competence from the moment she walks into a room.

    Public ProcurementChambers Canada Guide

Ranked Individuals at Blake, Cassels & Graydon LLP (236)

Alberta

British Columbia

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership