Miller Thomson

This article is about the Canadian law firm. For the Scottish footballer, see Miller Thomson (footballer).

Miller Thomson LLP is a national business law firm with approximately 500 lawyers across 5 provinces in Canada. The firm offers a full range of services in litigation and disputes, and provides business law expertise in mergers and acquisitions, corporate finance and securities, financial services, tax, restructuring and insolvency, trade, real estate, property development, labour and employment as well as a host of other specialty areas. Miller Thomson offices are located in Vancouver, Calgary, Edmonton, Regina, Saskatoon, London, Waterloo Region, Toronto, Vaughan and Montréal.^[1]

Miller Thomson LLP

Headquarters	Scotia Plaza Toronto, Ontario, Canada
No. of offices	10
Offices	Vancouver, Calgary, Edmonton, Saskatoon, Regina, London, Waterloo Region, Toronto, Vaughan and Montreal
No. of attorneys	500
No. of employees	1200+
Major practice areas	Corporate, Health, Labour and Employment, Intellectual Property, Commercial Litigation and Disputes, Private Client Services, Tax, Charities and Not-for-Profit, Mergers and Acquisitions, Restructuring and Insolvency, Global Trade and Customs, Financial Services, Real Estate and Property Development, Municipal, ESG and Carbon Finance, Transportation and Logistics, Construction Litigation and Private Equity
Key people	Enzo Di Iorio (Chair)
Date founded	1957
Company type	Limited liability partnership
Website	www.millerthomson.com

Rankings and recognition

Miller Thomson LLP lawyers are consistently ranked among the leading practitioners in the country.

The firm is recognized in the 2025 edition of the highly regarded Chambers Canada Guide,^[2] earning a top Band 1 ranking in Charities/Non-profits and Agribusiness: Agriculture & Food Products and noted as a leading firm in the areas of Construction, Environmental, Retail, Transportation (Rail & Road), Employment & Labour (Ontario), General Business Law (Saskatchewan) and Real Estate (Alberta).^[3] The firm also ranks Band 1 for Private Wealth Management Law – Canada^[4] in the 2024 edition of the Chambers High Net Worth Guide".^[5]

Miller Thomson also had over 200 lawyers recognized for their expertise across 49 areas of law, including 6 who were awarded “Lawyer of the Year” in the 2025 edition of The Best Lawyers in Canada.^[6]

Strategic affiliations

Miller Thomson is a member of Multilaw, a global legal network with 90 member firms in more than 100 countries.^[7]

In 2012, Miller Thomson entered an affiliation agreement with leading French business law firm FIDAL, solidifying a relationship first initiated two years prior.^[8]