Company lists · Data refreshed September 2026

Top 25 Legal support services law firms based in Canada

Name: Legal support services law firms based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 1,095 companies tracked

RevenueBase identified 1,095 legal support services law firms headquartered in Canada as of September 2026 and tracks 9,900 professional contacts across them, including 5,382 with verified work emails and 547 with mobile numbers. Toronto is the largest hub.

This list covers legal support services law firms headquartered in 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, how directly it supports the match, and when it was last checked. Data refreshed September 4, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review

1,095Companies

9,900Contacts tracked

5,382Verified emails

547Mobile numbers

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The 25 largest legal support services law firms based in Canada

Ranked by team size

Top 25 of 1,095 legal support services law firms based in Canada, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names legal support services law firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	Lerners LLPPartial evidence	London, ON, CanadaHQ checked Sep 4, 2026	201-500	447
	“Lerners LLP is a full service law firm that has grown to become one of Ontario’s largest firms.” Source: company website · checked Sep 4, 2026
2	Langlois AvocatsStrong evidence	Montréal, QC, CanadaHQ checked Sep 4, 2026	201-500	347
	“As a leading independent law firm in Québec, Langlois brings together more than 325 people, including some 185 legal professionals, in our Montréal and Québec City offices.” Source: company website · checked Sep 4, 2026
3	Blaney Mcmurtry LLPPartial evidence	Toronto, ON, CanadaHQ checked Sep 4, 2026	201-500	298
	“Based in the heart of Toronto’s financial district, Blaney McMurtry LLP is one of Canada's premier law firms.” Source: company website · checked Sep 4, 2026
4	Dunton RainvilleIndirect evidence	Montréal, QC, CanadaHQ checked Sep 4, 2026	201-500	212
	“Dunton Rainville is a firm of over 285 people, including some 135 lawyers, notaries and labour relations consultants.” Source: company website · checked Sep 4, 2026
5	Gardiner Roberts LLPPartial evidence	Toronto, ON, CanadaHQ checked Sep 4, 2026	51-200	204
	“Founded in the 1920s, Gardiner Roberts LLP (GR) is a full-service law firm advising clients ranging from leading global enterprises through to small and medium-sized companies…” Source: company website · checked Sep 4, 2026
6	Stein MonastPartial evidence	Quebec, QC, CanadaHQ checked Sep 4, 2026	51-200	154
	“Law Office” Source: company website · checked Sep 4, 2026
7	Morency, Société D'avocats, S.E.N.C.R.LIndirect evidence	Québec, QC, CanadaHQ checked Sep 4, 2026	51-200	137
	“Notre cabinet Morency, Société d’avocats en nom collectif à responsabilité limitée, offre depuis 1970 des services juridiques spécialisés à la mesure des besoins d’une clientèle…” Source: company website · checked Sep 4, 2026
8	Devry Smith Frank LLPPartial evidence	Toronto, ON, CanadaHQ checked Sep 4, 2026	51-200	133
	“Since 1964, Devry Smith Frank LLP (DSF) has provided trusted legal service to individuals, businesses, and institutions throughout Ontario.” Source: company website · checked Sep 4, 2026
9	Witten LLPIndirect evidence	Edmonton, AB, CanadaHQ checked Sep 4, 2026	51-200	129
	“WITTEN LLP has its roots in the early 1900s when the late Abe W.” Source: company website · checked Sep 4, 2026
10	Pace LAW FirmStrong evidence	Toronto, ON, CanadaHQ checked Sep 4, 2026	51-200	123
	“Established in 1981, Pace Law Firm has dedicated itself to its goal of effecting positive changes in clients’ lives by representing them effectively in navigating the legal…” Source: company website · checked Sep 4, 2026
11	SV LAWStrong evidence	Guelph, ON, CanadaHQ checked Sep 4, 2026	51-200	114
	“SV Law has a long and distinguished history of providing Guelph and area residents and businesses with high-quality, personal and professional legal services.” Source: company website · checked Sep 4, 2026
12	Duncan Craig LLPIndirect evidence	Edmonton, AB, CanadaHQ checked Sep 4, 2026	51-200	113
	“Integrity.” Source: company website · checked Sep 4, 2026
13	Fillmore Riley LLPPartial evidence	Winnipeg, MB, CanadaHQ checked Sep 4, 2026	51-200	112
	“Fillmore Riley is a highly regarded and accomplished full-service Manitoba law firm.” Source: company website · checked Sep 4, 2026
14	Barriston LLPIndirect evidence	Barrie, ON, CanadaHQ checked Sep 4, 2026	51-200	110
	“Our Mission: Community Leadership.” Source: company website · checked Sep 4, 2026
15	Kronis, Rotsztain, Margles, Cappel LLP KrmcPartial evidence	Toronto, ON, CanadaHQ checked Sep 4, 2026	51-200	107
	“KRMC is a diverse, multi-service law firm located in the thriving uptown business district.” Source: company website · checked Sep 4, 2026
16	Ross & McbrideIndirect evidence	Hamilton, ON, CanadaHQ checked Sep 4, 2026	51-200	102
	“Ross & McBride LLP's clients include financial institutions and non-profit organizations, large public corporations and small family businesses, senior citizens and young people.” Source: company website · checked Sep 4, 2026
17	Watson Goepel LLPPartial evidence	Vancouver, BC, CanadaHQ checked Sep 4, 2026	51-200	97
	“We are a multi-service law firm based in the heart of downtown Vancouver's financial district and Dundarave in West Vancouver.” Source: company website · checked Sep 4, 2026
18	Alepin Gauthier AvocatsIndirect evidence	Laval, QC, CanadaHQ checked Sep 4, 2026	51-200	96
	“Alepin Gauthier Avocats was founded in 1978 by Me François Alepin.” Source: company website · checked Sep 4, 2026
19	Soloway Wright LLPIndirect evidence	Ottawa, ON, CanadaHQ checked Sep 4, 2026	51-200	88
	“Since opening its doors in 1946, Soloway Wright LLP has built a proud history of serving its clients and community.” Source: company website · checked Sep 4, 2026
20	Caravel LAW LLPPartial evidence	Toronto, ON, CanadaHQ checked Sep 4, 2026	51-200	87
	“For over 15 years, Caravel Law has pioneered a new style of law firm in Canada, serving as an ideal alternative to the traditional options.” Source: company website · checked Sep 4, 2026
21	Mills & Mills LLPStrong evidence	Toronto, ON, CanadaHQ checked Sep 4, 2026	51-200	87
	“Mills & Mills LLP is a Toronto law firm established 130 years ago which provides legal services of the highest quality to businesses and individuals, as well as to charitable and…” Source: company website · checked Sep 4, 2026
22	GBV AvocatsIndirect evidence	Québec, QC, CanadaHQ checked Sep 4, 2026	51-200	84
	“GBV Avocats est un cabinet d'avocats chef de file en matière de litige civil et commercial.” Source: company website · checked Sep 4, 2026
23	Ogilvie LAWPartial evidence	Edmonton, AB, CanadaHQ checked Sep 4, 2026	51-200	80
	“As one of Alberta’s premier law firms, Ogilvie was built on a tradition of building relationships and working alongside our clients, and that’s still our philosophy today.” Source: company website · checked Sep 4, 2026
24	Owens Wright LLPIndirect evidence	Toronto, CanadaHQ checked Sep 4, 2026	51-200	68
	“We blend big firm expertise and experience with the attention and service of a boutique firm, allowing us to deliver an exceptional client-focused experience across a broad range…” Source: company website · checked Sep 4, 2026
25	Mann Lawyers LLPIndirect evidence	Ottawa, ON, CanadaHQ checked Sep 4, 2026	51-200	67
	“Welcome to Mann Lawyers LLP.” Source: company website · checked Sep 4, 2026

Showing 25 of 1,095 legal support services law firms based in Canada

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Legal support services law firms based in Canada at a glance

As of Sep 4, 2026

1-10Median size (employees)

TorontoLargest hub · 165 HQs

547Contacts with mobile numbers

Sep 4, 2026Data refreshed

Companies by employee count

1-10

736

11-50

271

51-200

201-500

1,001-5,000

10001+

Verified emails by last verification

0–30

31–60

359

61–90

3,027

90–180

1,985

180+

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 legal support services law firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Canada whose own description of what they do matches “legal support services law firms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among legal support services law firms, and records with no verified work email. Companies headquartered outside Canada 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 an evidence 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, 5,382 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 4, 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.

Legal support services law firms by metro

Frequently asked

How many legal support services law firms are there based in Canada?

RevenueBase identified 1,095 legal support services law firms headquartered in 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?

Lerners LLP, headquartered in Kitchener, tops this list with the largest team on record.

Which city has the most legal support services law firms?

Toronto leads with 165 headquartered companies, followed by Montreal (82) and Calgary (73).

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 5,382 verified decision-maker contacts tracked across these 1,095 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 4, 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 SmartSearch, 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.