Best Hospital Negligence Lawyers in Ontario (2026)

The hospital negligence lawyers in Ontario we'd call first, drawn from every city list we've published there and the firms whose own work shows these cases.

Sources checked November 7, 2026

4 lawyers and firms

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The short answer

Our featured firm in Ontario is Diamond & Diamond Lawyers LLP. Diamond & Diamond Lawyers LLP is our featured partner in Ontario and is listed first. Of the 3 firms that show hospital negligence work on our 5 city lists in Ontario, Paul Cahill scores highest on malpractice focus, published results, client reviews and experience, followed by Sommers Roth & Elmaleh and Tierney Stauffer LLP. Each firm keeps its best score from the cities it serves; open a city for its full list.

Best Hospital Negligence Lawyers in Ontario

Featured
1
Diamond & Diamond Lawyers LLP
Jeremy Syrtash
Jeremy Syrtash leads the medical malpractice litigation practice at Diamond & Diamond Lawyers LLP. He earned a BA from Yeshiva University (2010) and a JD from the University of Ottawa (2013), was called to the Bar of Ontario in 2014, and has acted as counsel and co-counsel in medical malpractice cases across Canada, many involving pediatric and obstetrical negligence.
Called to the Bar of Ontario, 2014 · JD, University of Ottawa · Best Lawyers: Ones to Watch in Canada, Health Care Law (2024 to 2027)
Free case review 1-800-567-HURT Website
2
Paul Cahill
4.816 Google reviewsRated 4.8 out of 5 on Google from 16 reviews
Best for: Birth injury and diagnostic errors
Medical negligence makes up most of the work at Paul Cahill - Medical Malpractice Lawyer.
On our lists for Toronto, Mississauga, Markham and Oakville.
Call Website Free case review Is this your firm?
How they were picked
We order firms by how much of their work is medical malpractice, the results they publish, what their clients say, their experience, their standing with the regulator and the recognition they have earned, all from public records and the firms' own sites. How lists are made
3
Sommers Roth & Elmaleh
Best for: Obstetric negligence and delivery injuries
Sommers Roth & Elmaleh handles medical malpractice and nothing else in its practice. Its own site reports obstetric results, among them over $15.6 million for a girl with cerebral palsy following a forceps and vacuum delivery.
On our list for Mississauga.
Website Free case review Is this your firm?
How they were picked
We order firms by how much of their work is medical malpractice, the results they publish, what their clients say, their experience, their standing with the regulator and the recognition they have earned, all from public records and the firms' own sites. How lists are made
4
Tierney Stauffer LLP
4.884 Google reviewsRated 4.8 out of 5 on Google from 84 reviews
Best for: Hospital and nursing home claims
If your family is concerned about hospital negligence or nursing home neglect, Tierney Stauffer LLP's site lists both, making the firm worth considering for either setting. Misdiagnosis and wrongful death claims also appear on its site.
On our list for Ottawa.
Call Website Free case review Is this your firm?
How they were picked
We order firms by how much of their work is medical malpractice, the results they publish, what their clients say, their experience, their standing with the regulator and the recognition they have earned, all from public records and the firms' own sites. How lists are made

What clients say about the lawyers we list

Google reviews of the firms on our lists, quoted as their clients wrote them and linked to where they were posted. We don't write, edit or pick reviews for pay.

David K.
November 2025 · Mississauga, Ontario
“Jim Davidson and his team at his firm are very experienced and professional in what they do. They cut no corners and handled my case with professionalism. He put me at ease throughout the legal process and showed me consistent support through my case. I highly recommend Jim and his team at Davidson Cahill Morrison LLP.”
About Davidson Cahill Morrison LLPGoogle reviewRead it on Google
Zoha
July 2026 · Toronto, Ontario
“I want to formally express my deepest gratitude to Michelle Kudlats and the team at Neinstein Personal Injury Lawyers for their incredible support. As a young pedestrian who survived a motor vehicle accident, I was terrified and dealing with a situation I had never faced before. I was frantic, confused, and had no...”
About Neinstein LLPGoogle reviewRead it on Google
Joanna C.
October 2026 · Markham, Ontario
“I can’t say enough good things about Dana! From the beginning, she has been kind, empathetic, and incredibly clear in her communication. I never feel like I’m left in the dark or unsure of what’s happening with my case, which has made such a difference throughout the entire process. Navigating an accident benefits...”
About Reyes Tam LawGoogle reviewRead it on Google

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How a malpractice claim usually moves in Ontario

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Hospital Negligence Lawyers by city in Ontario

Photos: Toronto, Dillan Payne, CC BY-SA 4.0; Ottawa, No machine-readable author provided. Arctic.gnome assumed (based on copyright cl, CC BY 2.5; Mississauga, The Eloquent Peasant, CC BY 4.0; Brampton, Peter K Burian, CC BY-SA 4.0; Hamilton, AI-generated image; London, Mcalpinestudios, CC BY-SA 4.0; Markham, Mhsheikholeslami, CC BY-SA 4.0; Vaughan, Dillan Payne, CC BY-SA 4.0; Oakville, Canmenwalker, CC BY 4.0; Richmond Hill, Raysonho @ Open Grid Scheduler / Scalable Grid Engine, CC0. Via Wikimedia Commons.

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