Company lists · Data verified August 2026

Top 21 Accounting outsourcing firms based in Montreal, Canada

Name: Accounting outsourcing firms based in Montreal, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 71 companies tracked

There are 71 accounting outsourcing firms headquartered in Montreal, Canada (RevenueBase, August 2026). RevenueBase tracks 330 professional contacts across them, including 62 with verified work emails and 19 with mobile numbers. Toronto is the largest hub.

This list covers accounting outsourcing firms headquartered in Montreal, 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.

71Companies

330Contacts tracked

62Verified emails

19Mobile numbers

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The 21 largest accounting outsourcing firms based in Montreal, Canada

Ranked by team size

Top 21 of 71 accounting outsourcing firms based in Montreal, 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	BDT CPA	Montreal, QC	11-50	28	11
2	XEN Accounting	Montreal, QC	11-50	17	11
3	Serene Accounting	Montreal, QC	1-10	11	7
4	Virtuacompta	Montreal, QC	1-10	9	4
5	Scaleup Services Professionnels	Montreal, QC	11-50	9	1
6	VCG	Montreal, QC	1-10	6	2
7	Chapman & Associés	Montreal, QC	1-10	6	2
8	Shemie CPA	Montreal, QC	1-10	5	2
9	Blanchette & Gallucci INC	Montreal, QC	1-10	4	3
10	Gagnon Miquelon S.E.N.C.R.L	Montreal, QC	1-10	3	3
11	JA Accounting	Montreal, QC	1-10	3	2
12	Morton Garellek CPA	Montreal	1-10	3	2
13	Mg-Rs INC	Montreal, QC	1-10	2	2
14	Griffin Business Solutions	Montreal, QC	1-10	2	1
15	Compteq	Montreal, QC	1-10	2	1
16	M&d Comptabilité	Montreal, QC	1-10	2	1
17	Wifinance INC	Montreal	1-10	1	1
18	Cloud Bookkeeping G.P	Montreal, QC	1-10	1	1
19	Sinclair Accounting	Montreal, QC	1-10	1	1
20	J&j E-Bookkeeping	Montreal, QC	1-10	1	1
21	JGMG	Montreal	1-10	1	1

Showing 21 of 71 accounting outsourcing firms based in Montreal, Canada

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 62 reachable decision-makers.

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Accounting outsourcing firms based in Montreal, Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 168 HQs

19Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Accounting outsourcing firms by metro in Canada

Metro	Companies
Accounting outsourcing firms in Toronto	168
Accounting outsourcing firms in Calgary	112
Accounting outsourcing firms in Vancouver	75
Accounting outsourcing firms in Montreal	71
Accounting outsourcing firms in Mississauga	62
Accounting outsourcing firms in Edmonton	55
Accounting outsourcing firms in Ottawa	44
Accounting outsourcing firms in Surrey	33

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 “accounting outsourcing firms”, with match quality audited by blind human judging, and headquartered in Montreal, 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; 0 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 accounting outsourcing firms are there based in Montreal, Canada?

There are 71 accounting outsourcing firms headquartered in Montreal, Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

BDT CPA, headquartered in Montreal, tops this list with the largest team on record.

Which city has the most accounting outsourcing firms?

Toronto leads with 168 headquartered companies, followed by Calgary (112) and Vancouver (75).

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 62 verified decision-maker contacts tracked across these 71 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.