Company lists · Data verified August 2026
Top 25 Compliance law firms based in Canada
There are 160 compliance law firms headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 1,526 professional contacts across them, including 780 with verified work emails and 81 with mobile numbers. Toronto is the largest hub.
This list covers compliance 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.
The 25 largest compliance law firms based in Canada
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 | 221 | |
| 2 | 178 | |
| 3 | 45 | |
| 4 | 31 | |
| 5 | 21 | |
| 6 | 18 | |
| 7 | 17 | |
| 8 | 23 | |
| 9 | 9 | |
| 10 | 9 | |
| 11 | 15 | |
| 12 | 9 | |
| 13 | 12 | |
| 14 | 6 | |
| 15 | 11 | |
| 16 | 8 | |
| 17 | 7 | |
| 18 | Olschewski Davie Barristers & Solicitors | 6 |
| 19 | 4 | |
| 20 | 9 | |
| 21 | 7 | |
| 22 | 6 | |
| 23 | 6 | |
| 24 | 5 | |
| 25 | 3 |
Showing 25 of 160 compliance law firms based in Canada
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Compliance law firms based in Canada at a glance
As of Aug 28, 2026Companies by employee count
Compliance law firms by metro
| Metro | Companies |
|---|---|
| Compliance law firms in Toronto | 49 |
| Compliance law firms in Montreal | 18 |
| Compliance law firms in Vancouver | 9 |
| Compliance law firms in Ottawa | 8 |
| Compliance law firms in Calgary | 8 |
| Compliance law firms in Edmonton | 5 |
| Compliance law firms in Victoria | 5 |
| Compliance law firms in Vaughan | 4 |
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 “compliance 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; 6 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 compliance law firms are there based in Canada?
There are 160 compliance law firms headquartered in Canada as of August 2026 (RevenueBase).
What is the largest company on this list?
Alcumus, headquartered in Montreal, tops this list with the largest team on record.
Which city has the most compliance law firms?
Toronto leads with 49 headquartered companies, followed by Montreal (18) and Vancouver (9).
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 780 verified decision-maker contacts tracked across these 160 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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Compliance law firms by geography
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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.