About Aaron B. Harnett, Barrister & Solicitor

Aaron B. Harnett, Barrister & Solicitor is a solo criminal defence practice based on Danforth Avenue in Toronto's east end. The firm has practised criminal law in Toronto for over 30 years, focusing on domestic and spousal assault, sexual offences, drug charges, drinking and driving, fraud, money laundering and seized property, and related matters in the trial and appellate courts of the Toronto area and beyond.

Aaron B. Harnett holds a Bachelor of Arts from the University of Toronto and an LL.B from Queen's University Law School, earned in 1990. Harnett articled at Osler, Hoskin and Harcourt and was called to the bar in 1992, moving into criminal law exclusively from there. Notable matters include R. v. Parker, the Ontario Court of Appeal decision on medical marijuana access, and R. v. Fink, a Supreme Court of Canada case that struck down provisions governing the search of law offices under section 488.1 of the Criminal Code. Harnett is a member of the Law Society of Ontario and the Criminal Lawyers Association, and has advised firearms owners on regulatory and related offences.

Practice areas

Milestones & recognition

  • Aaron B. Harnett was called to the Ontario bar in 1992, after completing articles at Osler, Hoskin and Harcourt.
  • Harnett acted in R. v. Parker, the Ontario Court of Appeal decision on access to medical marijuana.
  • Harnett acted in R. v. Fink, a Supreme Court of Canada decision that struck down provisions governing the search of law offices under section 488.1 of the Criminal Code.
  • Harnett is a member of the Law Society of Ontario and the Criminal Lawyers Association.

Good to know

A person using a wheelchairWheelchair accessibleA calendar with a checkmark beside a clockBy appointment

Fees & payment

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The neighbourhood

The office is on Danforth Avenue in Toronto's east end. The firm's own site describes it as friendly, knowledgeable staff located in the Danforth area of Toronto. Because the practice takes on cases across the Toronto region, the firm has set up virtual case management links for courthouses including Brampton, Hamilton, Oshawa, and Bradford, and office meetings are scheduled between 4pm and 6pm.

Frequently asked questions

What kinds of criminal charges does Aaron B. Harnett handle?
The firm's practice areas include spousal and domestic assault, sexual offences, drug offences, drinking and driving, fraud, money laundering and seized property, bar fights, bail hearings, and child abuse cases, in trial and appellate courts across the Toronto area and beyond.
I've just been arrested and the police want to ask me questions. Do I have to answer?
No. The firm's FAQ page explains that once you're under arrest or detention, you don't have to say anything to the police, and anything you do say can be used as evidence against you. It recommends calling a lawyer before answering any questions.
How much will it cost to hire Aaron B. Harnett?
The firm generally charges a block fee rather than billing by the hour, and its site says most matters are resolved for around $5,000, though fees have ranged from a few thousand dollars up to a few hundred thousand depending on the case. An hourly rate applies in some cases. Payment plans and credit cards are accepted, and disbursements for experts are billed separately to the client.
Is the first consultation free?
In most cases, yes. The firm's site says the first meeting, usually about 30 minutes and scheduled between 4pm and 6pm, is normally free of charge, and clients are told in advance if it won't be.
Can Aaron B. Harnett help with a bail hearing?
Bail hearings are one of the firm's listed practice areas. The firm's FAQ page notes that a key reason to call a lawyer right after an arrest is to prepare for a bail hearing, including lining up people who can sign bail and gathering the right financial documents.
Does the firm help with firearms related charges or licensing?
Yes. According to the firm's About page, Harnett has advised firearms owners on regulatory and related offences for many years.

Where to find them

2175 Danforth Avenue, Toronto, Ontario M4C 1K4 · 416-960-3676

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