Company lists · Data verified August 2026

Top 25 Law firms based in Ottawa, Canada

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 161 companies tracked

This directory lists 161 law firms based in Ottawa, Canada, with 3,113 professional contacts and 2,044 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.

161Companies

3,113Contacts tracked

2,044Verified emails

204Mobile numbers

Unlock all 161 companies Free account · no credit card · 2 minutes

The 25 largest law firms based in Ottawa, Canada

Ranked by team size

Top 25 of 161 law firms based in Ottawa, 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	Bennett Jones	Ottawa, ON	501-1,000	1,134	845
2	Smart & Biggar	Ottawa, ON	501-1,000	517	328
3	Nelligan LAW	Ottawa, ON	51-200	119	87
4	Kelly Santini LLP	Ottawa, ON	51-200	98	75
5	Emond Harnden	Ottawa, ON	51-200	94	68
6	Soloway Wright LLP	Ottawa, ON	51-200	88	62
7	Perley-Robertson, Hill & Mcdougall	Ottawa, ON	51-200	80	64
8	Sicotte Guilbault Legal Services	Ottawa, ON	51-200	56	42
9	LOW Murchison Radnoff LLP	Ottawa, ON	51-200	51	42
10	Brazeau Seller LAW	Ottawa, ON	51-200	42	35
11	Juristes Power	Ottawa, ON	11-50	36	21
12	Mcnally Gervan LLP	Ottawa, ON	11-50	24	20
13	Achkar LAW	Ottawa, ON	11-50	24	17
14	Conway Baxter Wilson LLP S.R.L	Ottawa, ON	11-50	22	18
15	Vincent Dagenais Gibson	Ottawa, ON	11-50	22	10
16	Rasmussen Starr Ruddy LLP	Ottawa, ON	11-50	21	18
17	Davidson Houle Allen LLP	Ottawa, ON	11-50	20	17
18	David Sauvé LLP	Ottawa, ON	11-50	19	16
19	Kirby Eades Gale Baker	Ottawa, ON	11-50	14	12
20	Aventum IP LAW LLP	Ottawa, ON	11-50	14	8
21	Richardson Hall LLP	Ottawa, ON	1-10	13	13
22	S.R.L. Avocats Lister Beaupré Lawyers LLP	Ottawa, ON	11-50	11	10
23	Aitken Klee LLP	Ottawa, ON	11-50	11	8
24	Legal Direct	Ottawa, ON	1-10	11	3
25	Arbique & Ahde Associate Lawyers	Ottawa, ON	11-50	10	10

Showing 25 of 161 law firms based in Ottawa, Canada

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,044 reachable decision-makers.

Free account · no credit card

See all 161 companies

Law firms based in Ottawa, Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 901 HQs

204Contacts with mobile numbers

11Emails re-verified in last 30 days

Companies by employee count

1-10

109

11-50

51-200

501-1,000

Law firms by metro in Canada

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 Ottawa, 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; 11 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 Ottawa, Canada?

The directory includes 161 law firms based in Ottawa, 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 3,113 professional contacts and 2,044 email addresses for the listed law firms.

Ready to reach these companies? Verified emails and direct dials for all 161 law firms based in Ottawa, Canada. Start with a free account, no credit card.

Get the full list

Related lists

Law firms by geography

Browse the directory

Browse: Companies home · Law firms in Canada · All Canada lists · All Law firms lists · New lists

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.