About Powell Barrister Professional Corporation

Powell Barrister Professional Corporation is a small litigation firm founded in 2005 by Allan Powell, based in Markham, Ontario, with a satellite office in Toronto's financial district on Bay Street. The firm restricts its practice to professional liability defence, representing real estate agents and lawyers accused of negligence or errors and omissions. It acts as lead counsel for a major Ontario real estate professional liability program, and the firm is one of five firms in Ontario that defend real estate agents against professional negligence claims. Lawyers at the firm also serve as independent legal counsel at Discipline and Appeals Committee hearings for the Real Estate Council of Ontario.

Powell earned a Bachelor of Laws from Osgoode Hall Law School in 1985, after an earlier Bachelor of Fine Arts in Theatre from the University of Windsor, where Powell graduated as gold medalist for the Faculty of Arts. Called to the Ontario bar in 1987, Powell has practiced exclusively in civil litigation ever since and founded the firm to concentrate on professional negligence defence work. Senior litigation assistant Elma Alegre has worked alongside Powell since 1991, giving the firm's small support staff decades of continuity. The rest of the team, a handful of lawyers backed by paralegal and clerking staff, handles files at every level of court in Ontario, from Superior Court trials through appellate courts, tribunals, and mediations.

Milestones & recognition

  • Allan Powell founded the firm in 2005, after being called to the Ontario bar in 1987 and earning a Bachelor of Laws from Osgoode Hall Law School in 1985.
  • The firm acts as lead counsel for a major Ontario real estate professional liability program, and is one of five firms in Ontario that defend real estate agents against professional negligence claims.
  • Lawyers at the firm serve as independent legal counsel at Discipline and Appeals Committee hearings for the Real Estate Council of Ontario.

In the community

  • Firm founder Allan Powell founded SaveTheLasalle, a charity working to restore the LaSalle Theatre in Kirkland Lake, Ontario.
  • One of the firm's lawyers volunteers as duty counsel with Pro Bono Law Ontario.

This firm’s lawyers at a glance

Called to the bar
1987–2009 · median 18 years in practice 3 of 4 lawyers
Law schools
Osgoode Hall Law School (2), Ankara University Faculty of Law, University of Calgary 4 of 4 lawyers

Offices 2

183 Main Street North, Markham, Ontario L3P 1Y2

1100 - 20 Bay Street, Toronto, Ontario M5J 2N8

The neighbourhood

Powell Barrister's Markham office occupies a century old home near the corner of Main Street North and Parkway Avenue, close to Morgan Park, in the historic Main Street corridor rather than a standard office tower. It's an easy walk from the GO Train's Markham station, so clients and counsel arriving by train don't need a car to reach it. The firm's Toronto office is a satellite location on Bay Street, inside the city's financial district, useful for the real estate brokerages, insurers, and lawyers the firm's professional liability practice regularly deals with downtown.

Frequently asked questions

I'm a real estate agent and a client has filed a professional negligence claim against me. Can Powell Barrister defend me?
Yes. The firm restricts its litigation practice to defending real estate agents and brokerages against professional liability and negligence claims, and it acts as lead counsel for a major Ontario real estate professional liability program.
I'm a lawyer facing an errors and omissions claim. Does the firm handle that kind of case?
Yes. Powell Barrister also defends lawyers against errors and omissions liability claims, alongside its real estate agent defence work.
What is Powell Barrister's role with the Real Estate Council of Ontario?
Lawyers at the firm serve as independent legal counsel at Discipline and Appeals Committee hearings for the Real Estate Council of Ontario, a role separate from the firm's work defending agents against liability claims from clients or insurers.
Where is Powell Barrister located, and how big is the firm?
Powell Barrister is a small litigation firm based in Markham, Ontario, with a satellite office in Toronto's financial district on Bay Street. It's a small firm of lawyers supported by paralegal and clerking staff, working alongside founder Allan Powell.
When was Powell Barrister founded?
Allan Powell founded the firm in 2005, after being called to the Ontario bar in 1987 and practicing exclusively in civil litigation since then.
Can I meet with someone at Powell Barrister outside regular business hours?
The firm's regular hours are Monday to Friday, 8 a.m. to 6 p.m., with weekend meetings available by appointment.

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Listing compiled from the firm’s public website in August 2026. Verify licence status in the Law Society of Ontario directory ↗