Company lists · Data verified August 2026
Top 25 Audit staffing firms based in Canada
There are 114 audit staffing firms headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 2,402 professional contacts across them, including 337 with verified work emails and 251 with mobile numbers. Toronto is the largest hub.
This list covers audit staffing 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 audit staffing firms based in Canada
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 | 90 | |
| 2 | 18 | |
| 3 | 27 | |
| 4 | 5 | |
| 5 | 27 | |
| 6 | 20 | |
| 7 | 8 | |
| 8 | 20 | |
| 9 | 8 | |
| 10 | 4 | |
| 11 | 3 | |
| 12 | 7 | |
| 13 | 12 | |
| 14 | 14 | |
| 15 | 8 | |
| 16 | 6 | |
| 17 | 5 | |
| 18 | 4 | |
| 19 | 6 | |
| 20 | 5 | |
| 21 | 4 | |
| 22 | 5 | |
| 23 | 4 | |
| 24 | 3 | |
| 25 | 1 |
Showing 25 of 114 audit staffing firms based in Canada
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Audit staffing firms based in Canada at a glance
As of Aug 28, 2026Companies by employee count
Audit staffing firms by metro
| Metro | Companies |
|---|---|
| Audit staffing firms in Toronto | 34 |
| Audit staffing firms in Montreal | 11 |
| Audit staffing firms in Vancouver | 9 |
| Audit staffing firms in Calgary | 8 |
| Audit staffing firms in Mississauga | 8 |
| Audit staffing firms in Vaughan | 4 |
| Audit staffing firms in Kitchener | 4 |
| Audit staffing firms in Brampton | 3 |
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 “audit staffing 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; 2 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 audit staffing firms are there based in Canada?
There are 114 audit staffing firms headquartered in Canada as of August 2026 (RevenueBase).
What is the largest company on this list?
TRS Staffing Solutions, headquartered in Vancouver, tops this list with the largest team on record.
Which city has the most audit staffing firms?
Toronto leads with 34 headquartered companies, followed by Montreal (11) 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 337 verified decision-maker contacts tracked across these 114 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.
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