Company lists · Data verified August 2026

Top 25 Construction law firms based in Canada

Name: Construction 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 218 companies tracked

There are 218 construction law firms headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 2,601 professional contacts across them, including 1,549 with verified work emails and 138 with mobile numbers. Toronto is the largest hub.

This list covers construction 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.

218Companies

2,601Contacts tracked

1,549Verified emails

138Mobile numbers

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The 25 largest construction law firms based in Canada

Ranked by team size

Top 25 of 218 construction 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	Langlois Avocats	Montreal, QC	201-500	347	249
2	DE Grandpré Chait	Montreal, QC	51-200	169	106
3	Singleton Urquhart Reynolds Vogel LLP	Vancouver, BC	51-200	114	81
4	Construction Dinamo	Quebec	51-200	78	3
5	Brattys LLP	Vaughan, ON	51-200	69	39
6	Baker Newby LLP	Chilliwack, BC	11-50	62	37
7	LAX O'sullivan Lisus Gottlieb LLP	Toronto, ON	11-50	60	59
8	Revay And Associates Limited	Mississauga, ON	51-200	58	45
9	Sicotte Guilbault Legal Services	Ottawa, ON	51-200	56	42
10	Goldman Sloan Nash & Haber LLP	Toronto, ON	51-200	54	14
11	Templeman LLP	Napanee, ON	51-200	48	40
12	Jensen Shawa Solomon Duguid Hawkes LLP	Calgary, AB	51-200	48	31
13	Affinity LAW	Markham, ON	51-200	38	24
14	Jenkins Marzban Logan LLP	Vancouver, BC	51-200	34	26
15	Crochetière, Pétrin	Anjou, QC	11-50	34	22
16	Glaholt Bowles LLP	Toronto, ON	11-50	33	27
17	DJC Lawyers - Notaries	Montreal, QC	51-200	32	21
18	Whelton Hiutin LLP	Vaughan, ON	11-50	30	11
19	Robson Carpenter LLP	Ayr, ON	11-50	29	24
20	Adair Goldblatt Bieber LLP	Toronto, ON	11-50	28	25
21	Swainson Miki Peskett LLP	Edmonton, AB	11-50	28	23
22	Goodfellow & Schuettlaw	Edmonton, AB	11-50	27	22
23	Mclean & Armstrong LLP	West Vancouver, BC	11-50	26	25
24	Donati Maisonneuve	Montreal, QC	11-50	26	17
25	Rpgl Avocats Lawyers	Gatineau, QC	11-50	26	13

Showing 25 of 218 construction law firms based in Canada

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Construction law firms based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 45 HQs

138Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

146

11-50

51-200

201-500

Construction law firms by metro

Metro	Companies
Construction law firms in Toronto	45
Construction law firms in Montreal	36
Construction law firms in Vancouver	22
Construction law firms in Edmonton	8
Construction law firms in Calgary	6
Construction law firms in Quebec	6
Construction law firms in Laval	5
Construction law firms in Ottawa	5

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 “construction 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; 7 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 construction law firms are there based in Canada?

There are 218 construction law firms headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Langlois Avocats, headquartered in Montreal, tops this list with the largest team on record.

Which city has the most construction law firms?

Toronto leads with 45 headquartered companies, followed by Montreal (36) and Vancouver (22).

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 1,549 verified decision-maker contacts tracked across these 218 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.