Atty. Marc McAree
Marc McAree, B.A. (Hons.), LL.B., M.E.S., is a partner at Willms & Shier Environmental Lawyers LLP and certified as a Specialist in Environmental Law by the Law Society of Ontario.Marc provides advice and solutions to a wide range of clients to overcome their environmental law and litigation issues.
Profile Summary
About Marc McAree at a glance
Marc McAree is a environmental and government attorney based in Toronto, Ontario, practicing at Willms & Shier Environmental Lawyers LLP. Recognitions include Best Lawyers in America — Environmental Law (2026), Best Lawyers in America — Municipal Law (2026), and Lawyer of the Year — Environmental Law, Toronto (Canada) (2019). Serands clients in Toronto, ON and the surrounding metropolitan area.
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About
- Marc McAree, B.A. (Hons.), LL.B., M.E.S., is a partner at Willms & Shier Environmental Lawyers LLP and certified as a Specialist in Environmental Law by the Law Society of Ontario.Marc provides advice and solutions to a wide range of clients to overcome their environmental law and litigation issues
- Marc has significant environmental law expertise in contaminated land/brownfields clean ups, transactions and litigation, and environmental compliance and approvals
- Marc also helps clients reduce and manage environmental risks and liabilities.Marc is recognized for his excellence representing clients in environmental civil litigation at all levels of Ontario Courts, defence of clients against environmental regulatory prosecutions, and appearances before Ontario’s Environmental Review Tribunal and other administrative law decision-makers on appeals and other hearings
- Marc has particular experience litigating soil and groundwater contaminant impacts, nuisance and odour issues.Marc is named in the 2022 Lexpert/American Lawyer Guide To The Leading 500 Lawyers in Canada
- He is peer selected annually for inclusion in the Best Lawyers in Canada for environmental law
- Marc was named “Environmental Lawyer of the Year” for 2019 in Toronto by the Best Lawyers in Canada
- Marc is also ranked “Most Frequently Recommended” by the Canadian Legal Lexpert Directory and ranked “AV Preeminent” by peers in Martindale-Hubbell
- He is also named annually in both the international Who’s Who Legal—Environment and Who’s Who Legal—Canada
- Marc is called to the Bars of Ontario and British Columbia
Practice Areas Explained
Marc McAree's Areas of Practice
Each practice area below reflects the types of cases Marc McAree handles, with a brief overview of what that area of law covers.
Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.
Marc McAree is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Ontario →
Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.
Marc McAree is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Ontario →
Jurisdictional Context
Why local counsel matters in Ontario
Practicing law in Ontario. Legal matters in Ontario are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Toronto are typically filed in the local municipal court or the appropriate Ontario state district court, depending on subject matter and amount in controversy. An attorney licensed in Ontario brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Ontario courts without local counsel or pro hac vice admission.
Looking for additional Ontario attorneys? Browse all attorneys in Toronto or all attorneys in Ontario.
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