Company lists · Data refreshed September 2026

Top 25 Class action law firms based in Toronto, Canada

Name: Class action law firms based in Toronto, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 8, 2026 38 companies tracked

RevenueBase identified 38 class action law firms headquartered in Toronto, Canada as of September 2026 and tracks 356 professional contacts across them, including 236 with verified work emails and 22 with mobile numbers. Toronto is the largest hub.

This list covers class action law firms headquartered in Toronto, Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 8, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 8, 2026 86% judged on-target in blind review

38Companies

356Contacts tracked

236Verified emails

22Mobile numbers

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The 25 largest class action law firms based in Toronto, Canada

Ranked by team size

Top 25 of 38 class action law firms based in Toronto, Canada, ranked by team size, largest first. Data refreshed Sep 8, 2026. RevenueBase Smart Search rates how each company's information relates to class action law firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	LAX O'sullivan Lisus Gottlieb LLP	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	11-50	63 contacts →
	Indirect evidence “Lax O’Sullivan Lisus Gottlieb LLP is Canada’s preeminent business litigation firm.” Source: RevenueBase Database · checked Sep 8, 2026
2	Teplitsky LLP	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	51-200	37 contacts →
	Indirect evidence “One of Toronto's, original civil litigation boutiques, Teplitsky LLP has earned a reputation for aggressive, creative advocacy.” Source: RevenueBase Database · checked Sep 8, 2026
3	Whelton Hiutin LLP	Strong evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	11-50	30 contacts →
	Strong evidence “Whelton Hiutin LLP specializes in commercial and civil litigation with a particular expertise in real estate disputes, construction, class actions, personal injury and medical…” Source: RevenueBase Database · checked Sep 8, 2026
4	Polley Faith LLP	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	11-50	24 contacts →
	Indirect evidence “Polley Faith LLP is one of Toronto's most respected litigation firms.” Source: RevenueBase Database · checked Sep 8, 2026
5	Evangelista Barristers & Solicitors	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	11-50	20 contacts →
	Indirect evidence “Evangelista, Barristers & Solicitors is recognized as a leader in litigation, advocacy and risk management.” Source: RevenueBase Database · checked Sep 8, 2026
6	Groia & Company Professional Corporation	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	11-50	19 contacts →
	Indirect evidence “Groia & Company Professional Corporation has worked hard to earn its reputation as one of Canada's leading securities litigation boutiques.” Source: RevenueBase Database · checked Sep 8, 2026
7	Wright Henry LLP	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	11-50	16 contacts →
	Indirect evidence “Wright Henry provides agile, thoughtful and effective legal representation to labour-side clients in high-stakes labour and employment disputes.” Source: RevenueBase Database · checked Sep 8, 2026
8	Milosevic & Associates	Partial evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	1-10	11 contacts →
	Partial evidence “Milosevic & Associates is a boutique litigation law firm located in downtown Toronto.” Source: RevenueBase Database · checked Sep 8, 2026
9	FOX Vanounou LLP	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	11-50	11 contacts →
	Indirect evidence “If you have suffered a personal injury, it is imperative that you know your legal rights and secure Fox Vanounou LLP to represent you.” Source: RevenueBase Database · checked Sep 8, 2026
10	Theall Group LLP	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	11-50	9 contacts →
	Indirect evidence “Theall Group LLP is a commercial litigation firm committed to providing our clients with superior legal representation in complex disputes, both international and domestic.” Source: RevenueBase Database · checked Sep 8, 2026
11	Schneider LAW Firm	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	1-10	9 contacts →
	Indirect evidence “Let our family take care of yours.” Source: RevenueBase Database · checked Sep 8, 2026
12	TAP LAW	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	1-10	9 contacts →
	Indirect evidence “We act for individuals and businesses in a wide range of civil and commercial litigation matters, including contractual disputes, shareholder's disputes, medical malpractice, tort…” Source: RevenueBase Database · checked Sep 8, 2026
13	Jellinek Ellis Gluckstein Lawyers	Partial evidence	Toronto, CanadaHQ checked Sep 8, 2026	1-10	8 contacts →
	Partial evidence “The Toronto firm of Jellinek Law has over a decade of experience and a proven track record of success in dealing with serious and sensitive personal injury matters.” Source: RevenueBase Database · checked Sep 8, 2026
14	KIM Spencer Mcphee Barristers PC	Strong evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	11-50	7 contacts →
	Strong evidence “Acting for a broad range of clients, primarily on the plaintiff side, our practice focus is complex, high value class actions.” Source: RevenueBase Database · checked Sep 8, 2026
15	ORR Taylor LLP	Strong evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	11-50	6 contacts →
	Strong evidence “Orr Taylor LLP is a business litigation firm that handles significant class actions and complex litigation matters.” Source: RevenueBase Database · checked Sep 8, 2026
16	KND Complex Litigation	Partial evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	1-10	3 contacts →
	Partial evidence “KND Complex Litigation is a boutique Toronto law firm dedicated to protecting the interests of investors and consumers.” Source: RevenueBase Database · checked Sep 8, 2026
17	Rosemount LAW	Partial evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	1-10	3 contacts →
	Partial evidence “Rosemount Law specializes in shareholder disputes, contract litigation and cross-border litigation, offering expert legal services for complex legal challenges in these areas.” Source: RevenueBase Database · checked Sep 8, 2026
18	Oware Lawyers LLP	Partial evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	1-10	3 contacts →
	Partial evidence “At our law firm, we hold a deep-rooted commitment to putting our clients first, embodying the essence of personalized legal care.” Source: RevenueBase Database · checked Sep 8, 2026
19	Kramer Simaan Dhillon LLP	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	11-50	2 contacts →
	Indirect evidence “The firm is recognized as a leading business litigation practice in Toronto in terms of the size, complexity and sophistication of the matters the firm takes on and in terms of…” Source: RevenueBase Database · checked Sep 8, 2026
20	Pinto Shekib LLP	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	1-10	2 contacts →
	Indirect evidence “With backgrounds at top Bay Street firms, service as Adjudicators and Mediators at Ontario’s leading tribunals, and extensive trial experience as former Crown prosecutors, our…” Source: RevenueBase Database · checked Sep 8, 2026
21	O'connor Richardson PC	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	1-10	1 contacts →
	Indirect evidence “We are a boutique civil litigation firm with offices in both Toronto and Hamilton, Ontario.” Source: RevenueBase Database · checked Sep 8, 2026
22	Wright Temelini LLP	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	1-10	1 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 8, 2026
23	Sharp Legal	Strong evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	1-10	1 contacts →
	Strong evidence “With Mirilyn’s 30+ years experience as a litigator at a Bay Street law firm, she is highly qualified to handle any defence class action, commercial litigation, contract disputes…” Source: RevenueBase Database · checked Sep 8, 2026
24	Lillie LAW	Partial evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	1-10	1 contacts →
	Partial evidence “Lillie Law is here for all of your civil litigation needs We have particular expertise and experience in consumer protection, contractual disputes, wrongful dismissals, and…” Source: RevenueBase Database · checked Sep 8, 2026
25	Kalloghlian Myers LLP	Strong evidence	Toronto, ON, CanadaHQ checked Sep 8, 2026	1-10	1 contacts →
	Strong evidence “A Toronto law firm specializing in class actions and investor rights litigation.” Source: RevenueBase Database · checked Sep 8, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: class action law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names class action law firms.
Partial evidence: Its own public description names part of class action law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name class action law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 38 class action law firms based in Toronto, Canada

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Class action law firms based in Toronto, Canada at a glance

As of Sep 8, 2026

66.3%Verified-email coverage

6.2%Mobile-number coverage

9.4Average contacts per company

1-10Median size (employees)

163.2%Largest-city concentration · Toronto

Sep 8, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

2140–30

2231–60

061–90

090–180

0180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among class action law firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Toronto, Canada whose own description of what they do matches “class action law firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names class action law firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among class action law firms, and records with no verified work email. Companies headquartered outside Toronto are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 236 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 8, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Class action law firms by metro in Canada

Class action law firms in Toronto62

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names class action law firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many class action law firms are there based in Toronto, Canada?

RevenueBase identified 38 class action law firms headquartered in Toronto, Canada as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

LAX O'sullivan Lisus Gottlieb LLP, headquartered in Toronto, tops this list with the largest team on record.

Which city has the most class action law firms?

Toronto leads with 62 headquartered companies, followed by Vancouver (21) and Montreal (11).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 236 verified decision-maker contacts tracked across these 38 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 8, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.