Company lists · Data verified August 2026

Top 25 Law firms based in Canada

Name: Law firms based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 4,357 companies tracked

This directory lists 4,357 law firms based in Canada, with 66,058 professional contacts and 38,844 email addresses. As of August 2026, Toronto is the single most-represented city among the companies listed.

Law firms are professional service organizations that provide legal advice, representation, and related services through licensed attorneys. This list covers companies that provide legal advice, legal representation, or related legal services through licensed attorneys. Ranked by team size, largest first. Data current as of August 28, 2026.

4,357Companies

66,058Contacts tracked

38,844Verified emails

4,096Mobile numbers

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The 25 largest law firms based in Canada

Ranked by team size

Top 25 of 4,357 law firms based in Canada, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Borden Ladner Gervais LLP BLG	Montreal, QC	1,001-5,000	2,295	1,815
2	Fasken	Calgary, AB	1,001-5,000	2,259	1,522
3	Mccarthy Tétrault	Calgary, AB	1,001-5,000	1,901	1,217
4	Osler, Hoskin & Harcourt LLP	Toronto, ON	1,001-5,000	1,561	887
5	Blake, Cassels & Graydon LLP	Vancouver, BC	1,001-5,000	1,552	925
6	Miller Thomson LLP	Calgary, AB	1,001-5,000	1,401	895
7	Bennett Jones	Ottawa, ON	501-1,000	1,134	845
8	Torys LLP	Calgary, AB	501-1,000	971	704
9	Mcmillan LLP	Vancouver, BC	501-1,000	869	615
10	Cassels Brock & Blackwell LLP	Toronto, ON	501-1,000	810	503
11	Davies Ward Phillips & Vineberg LLP	Montreal, QC	501-1,000	752	482
12	BCF	Quebec, QC	501-1,000	715	433
13	MLT Aikins LLP	Calgary, AB	501-1,000	672	479
14	Stewart Mckelvey	Fredericton, NB	201-500	594	287
15	Aird & Berlis LLP	Toronto, ON	501-1,000	572	446
16	Mcinnes Cooper	Fredericton, NB	201-500	567	368
17	Lavery	Trois-Rivieres, QC	201-500	543	347
18	Smart & Biggar	Ottawa, ON	501-1,000	517	328
19	Cain Lamarre	Quebec, QC	501-1,000	500	298
20	Goodmans LLP	Toronto, ON	201-500	494	338
21	Lawson Lundell LLP	Calgary, AB	201-500	459	347
22	Lerners LLP	Kitchener, ON	201-500	447	302
23	Langlois Avocats	Montreal, QC	201-500	347	249
24	Field LAW	Yellowknife, NT	201-500	309	190
25	Blaney Mcmurtry LLP	Toronto, ON	201-500	298	214

Showing 25 of 4,357 law firms based in Canada

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Law firms based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 901 HQs

4,096Contacts with mobile numbers

234Emails re-verified in last 30 days

Companies by employee count

1-10

2,806

11-50

1,184

51-200

212

201-500

501-1,000

1,001-5,000

10001+

Law firms by metro

Metro	Companies
Law firms in Toronto	901
Law firms in Montreal	296
Law firms in Vancouver	285
Law firms in Calgary	264
Law firms in Mississauga	171
Law firms in Ottawa	158
Law firms in Edmonton	131
Law firms in Quebec	67

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “law firms”, with match quality audited by blind human judging, and headquartered in Canada.
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: Contact records re-verify on a rolling cadence; 234 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many law firms are listed based in Canada?

The directory includes 4,357 law firms based in Canada as of August 2026.

Where are most of the listed law firms located?

Toronto is the single most-represented city among the law firms on the list.

How many contacts and email addresses are available for these law firms?

The list includes 66,058 professional contacts and 38,844 email addresses for the listed law firms.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.