Atty. Mark S. Brennan

Atty. Mark S. Brennan

Mark S. Brennan is a lawyer practicing real estate, corporate / commercial.

43 yrs experience 43 year
Call (416) 214-5265 Book Appointment

Profile Summary

About Mark S. Brennan at a glance

Mark S. Brennan is a Partner, practicing at Fasken Martineau DuMoulin LLP. They have 43+ years of legal experience, licensed to practice since 1983. Their practice focuses on business and real estate. Admitted to practice in Ontario (1983). Educated at Queen's University (LL.B., 1981) and University of Western Ontario (B.A. Business, 1978). Recognitions include AV Preeminent.

Verified attorney profile · Updated June 2026

About

  • Mark S. Brennan is a lawyer practicing real estate, corporate / commercial
  • Mark S. received a B.A. degree from University of Western Ontario in 1978, and has been licensed for 43 years
  • Mark S. practices at Fasken Martineau DuMoulin LLP in Toronto, ON

Practice Areas Explained

Mark S. Brennan's Areas of Practice

Each practice area below reflects the types of cases Mark S. Brennan handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark S. Brennan is one of 501,317 business attorneys indexed nationally. Browse business attorneys →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Mark S. Brennan is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys →

Frequently Asked

Common questions about Mark S. Brennan

What practice areas does Mark S. Brennan handle?
Mark S. Brennan focuses on business, real estate. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has Mark S. Brennan practiced law?
Mark S. Brennan has 43+ years of legal experience and has been licensed since 1983.
Where did Mark S. Brennan go to law school?
Mark S. Brennan earned their education at (LL.B., 1981); (B.A. Business, 1978).
How can I contact Mark S. Brennan for a consultation?
You can contact Mark S. Brennan 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 Mark S. Brennan received?
Mark S. Brennan's notable recognition includes: AV Preeminent.

Education

LL.B.
Queen's University
- 1981
B.A. Business
University of Western Ontario
- 1978

Awards

AV Preeminent

Bar Admissions

Ontario
Admitted: 1983

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