Company lists · Data verified August 2026

Top 25 Corporate law firms based in Canada

Name: Corporate 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 2,298 companies tracked

There are 2,298 corporate law firms headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 44,648 professional contacts across them, including 27,005 with verified work emails and 2,808 with mobile numbers. Toronto is the largest hub.

This list covers corporate law firms headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

2,298Companies

44,648Contacts tracked

27,005Verified emails

2,808Mobile numbers

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The 25 largest corporate law firms based in Canada

Ranked by team size

Top 25 of 2,298 corporate 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	Fasken	Calgary, AB	1,001-5,000	2,259	1,522
2	Mccarthy Tétrault	Calgary, AB	1,001-5,000	1,901	1,217
3	Osler, Hoskin & Harcourt LLP	Toronto, ON	1,001-5,000	1,561	887
4	Blake, Cassels & Graydon LLP	Vancouver, BC	1,001-5,000	1,552	925
5	Miller Thomson LLP	Calgary, AB	1,001-5,000	1,401	895
6	Bennett Jones	Ottawa, ON	501-1,000	1,134	845
7	Torys LLP	Calgary, AB	501-1,000	971	704
8	Cassels Brock & Blackwell LLP	Toronto, ON	501-1,000	810	503
9	Davies Ward Phillips & Vineberg LLP	Montreal, QC	501-1,000	752	482
10	BCF	Quebec, QC	501-1,000	715	433
11	MLT Aikins LLP	Calgary, AB	501-1,000	672	479
12	Stewart Mckelvey	Fredericton, NB	201-500	594	287
13	Aird & Berlis LLP	Toronto, ON	501-1,000	572	446
14	Mcinnes Cooper	Fredericton, NB	201-500	567	368
15	Lavery	Trois-Rivieres, QC	201-500	543	347
16	Smart & Biggar	Ottawa, ON	501-1,000	517	328
17	Cain Lamarre	Quebec, QC	501-1,000	500	298
18	Goodmans LLP	Toronto, ON	201-500	494	338
19	Lerners LLP	Kitchener, ON	201-500	447	302
20	Langlois Avocats	Montreal, QC	201-500	347	249
21	Field LAW	Yellowknife, NT	201-500	309	190
22	Blaney Mcmurtry LLP	Toronto, ON	201-500	298	214
23	Weirfoulds LLP	Toronto, ON	201-500	282	212
24	Burnet, Duckworth & Palmer LLP	Calgary, AB	201-500	271	165
25	Torkin Manes LLP	Toronto, ON	201-500	239	157

Showing 25 of 2,298 corporate law firms based in Canada

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Corporate law firms based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 487 HQs

2,808Contacts with mobile numbers

39Emails re-verified in last 30 days

Companies by employee count

1-10

1,459

11-50

612

51-200

138

201-500

501-1,000

1,001-5,000

10001+

Corporate law firms by metro

Metro	Companies
Corporate law firms in Toronto	487
Corporate law firms in Montreal	193
Corporate law firms in Vancouver	152
Corporate law firms in Calgary	135
Corporate law firms in Mississauga	87
Corporate law firms in Ottawa	78
Corporate law firms in Edmonton	67
Corporate law firms in Markham	42

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 “corporate 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; 39 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 corporate law firms are there based in Canada?

There are 2,298 corporate law firms headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Fasken, headquartered in Calgary, tops this list with the largest team on record.

Which city has the most corporate law firms?

Toronto leads with 487 headquartered companies, followed by Montreal (193) and Vancouver (152).

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 27,005 verified decision-maker contacts tracked across these 2,298 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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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.