Atty. Geoff Clarke

Atty. Geoff Clarke

Geoff Clarke has over 25 years of experience in investment banking, financial advisory, corporate finance and securities law. Geoff is the Leader of Miller Thomson LLP’s Mining Law practice area.

Toronto Toronto 24 yrs experience 24 year
Call (416) 595-8500 Book Appointment

Profile Summary

About Geoff Clarke at a glance

Geoff Clarke is an attorney based in Toronto, Ontario, practicing at Miller Thomson LLP. They have 24+ years of legal experience, licensed to practice since 2002. Admitted to practice in Ontario (2002). Educated at McGill University (MBA) and McMaster University (—). Recognitions include Best Lawyers in America — Mining Law (2026). Serands clients in Toronto, ON and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Geoff Clarke has over 25 years of experience in investment banking, financial advisory, corporate finance and securities law
  • Geoff is the Leader of Miller Thomson LLP’s Mining Law practice area
  • Geoff represents and advises public companies, institutional investors and investment banks in securities offerings, mergers and acquisitions, corporate governance, shareholder activism, exchange sponsorships, fairness opinions, continuous disclosure, stock exchange matters, securities litigation and securities regulatory compliance matters
  • He also advises special committees in decisions relating to public take-over transactions, reorganizations and searching for and prioritizing strategic alternatives
  • Geoff has particular industry expertise in the mining and financial services sectors
  • Prior to working for Miller Thomson, Geoff practiced law in the corporate finance group for large national and international law firms
  • During a departure from the practice of law, Geoff was the president of a full-service institutional investment dealer with several Canadian offices, where he provided financial and strategic advice to mining industry companies and investors regarding off-take agreements, joint-ventures, strategic partnerships and raising capital
  • Geoff is also currently a director of a public company and he serves as the chair of its audit committee
  • Geoff also has experience serving on advisory committees for securities regulators in Canada such as IIROC and the Ontario Securities Commission
  • Geoff also taught Business Law at York University as an Adjunct Professor and he currently teaches Corporate Finance at the University of Windsor Law School, which is a course that he has taught every year since September 2007

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.

Frequently Asked

Common questions about Geoff Clarke

Where is Geoff Clarke's law office located?
Geoff Clarke's law practice is located in Toronto, Ontario. The firm is Miller Thomson LLP. You can contact the office directly through this profile page.
How long has Geoff Clarke practiced law?
Geoff Clarke has 24+ years of legal experience and has been licensed since 2002.
Where did Geoff Clarke go to law school?
Geoff Clarke earned their education at (MBA); (—); (LL.M. (Business Law)).
How can I contact Geoff Clarke for a consultation?
You can contact Geoff Clarke directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Geoff Clarke received?
Geoff Clarke's notable recognition includes: Best Lawyers in America — Mining Law.

Practice Areas

Education

MBA
McGill University
- In Progress
McMaster University
- In Progress
LL.M. (Business Law)
Osgoode Hall Law School
- In Progress
LL.B.
Queen’s University
- In Progress

Awards

Best Lawyers in America — Mining Law
- 2026

Bar Admissions

Ontario
Admitted: 2002

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