Company lists · Data refreshed September 2026

Top 25 Tax compliance outsourcing companies based in Canada

RevenueBase identified 245 company matches for tax compliance outsourcing companies associated with Canada as of September 2026 and tracks 738 professional contacts across them, including 156 with verified work emails. Toronto is the largest hub.

This list covers company matches for tax compliance outsourcing companies associated with Canada, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
245Companies
738Contacts tracked
156Verified emails
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The 25 largest tax compliance outsourcing companies based in Canada

Ranked by team size
Top 25 of 245 company matches for tax compliance outsourcing companies based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBrossard, QC, CanadaHQ recorded Sep 29, 202651-20051 contacts →

Exact match

“Services * Expansion américaine et/ou internationale;* Conformité fiscale américaine (corporative);* Conformité fiscale américaine (individu);* « Snowbirds » et immobilier…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchVancouver, BC, CanadaHQ recorded Sep 29, 202611-5026 contacts →

Exact match

“Our firm was founded to provide quality cross-border tax services based on the following 4 key principles: Effective tax planning We try to provide value for our fees whether we…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchLondon, ON, CanadaHQ recorded Sep 29, 202611-5024 contacts →

Exact match

“C&V Income Tax Services is a professional tax service office operating in London, Ontario since 1988.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchScarborough, ON, CanadaHQ recorded Sep 29, 20261-1020 contacts →

Exact match

“At C-Note Tax Solutions Inc, we proudly file tax returns for all Canadians, no matter where you are located.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchToronto, CanadaHQ recorded Sep 29, 20261-1013 contacts →

Exact match

“Toronto Tax Boutique is dedicated to serving the tax, accounting, and bookkeeping needs of businesses and individuals throughout Canada and the United States.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchWindsor, ON, CanadaHQ recorded Sep 29, 20261-1013 contacts →

Exact match

“Accutax & Services is a tax preparation service established in 1997.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchOlds, AB, CanadaHQ recorded Sep 29, 202611-5012 contacts →

Exact match

“Tax And Accounting Solutions Unique To You.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchCambridge, ON, CanadaHQ recorded Sep 29, 202611-5011 contacts →

Exact match

“Cambridge Home | Cambridge Tax Consultant”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchMontreal, CanadaHQ recorded Sep 29, 202611-5011 contacts →

Exact match

“Bienvenue chez les professionnels de l’impôt et des services comptables!”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchRichmond, BC, CanadaHQ recorded Sep 29, 20261-1010 contacts →

Exact match

“Azim Dahya & Company, CPA is a progressive firm of Tax Consultants and Accountants with extensive experience in all aspects of Taxation, Bookkeeping, Payroll, HST, GST and PST…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchBurnaby, BC, CanadaHQ recorded Sep 29, 20261-1010 contacts →

Exact match

“Tax Tribe is North American tax and accounting service firm that offers various financial services aimed at both individuals and businesses.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchMontréal, QC, CanadaHQ recorded Sep 29, 20261-109 contacts →

Exact match

“Our expertise: American taxation: Our team has decades of experience in US taxation.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchMontreal, QC, CanadaHQ recorded Sep 29, 20261-107 contacts →

Exact match

“For all your accounting needs.If you don't necessarily love doing your taxes (or have an accounting degree), you've come to the right place.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchScarborough, ON, CanadaHQ recorded Sep 29, 20261-107 contacts →

Exact match

“Tax & Accounting company serving individuals and businesses”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchHamilton, CanadaHQ recorded Sep 29, 20261-107 contacts →

Exact match

“At EcoTax we help provide businesses with the proper information to assist with growth and in making the best decisions for development.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchBrantford, ON, CanadaHQ recorded Sep 29, 20261-106 contacts →

Exact match

“We understand that life is complicated, which is why we believe that income tax and accounting shouldn't be.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchToronto, ON, CanadaHQ recorded Sep 29, 20261-106 contacts →

Exact match

“Welcome to MB Tax Solutions – Your Tax and Financial Partner!”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchVancouver, BC, CanadaHQ recorded Sep 29, 20261-106 contacts →

Exact match

“Your taxes don't have to be taxing.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchToronto, ON, CanadaHQ recorded Sep 29, 20261-106 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchBrampton, ON, CanadaHQ recorded Sep 29, 20261-106 contacts →

Exact match

“An expert tax professional with over 12 years of experience, Gargi Macwan has helped thousands of individuals save money by minimizing tax liabilities and maximize tax refunds.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchBrossard, QC, CanadaHQ recorded Sep 29, 202611-505 contacts →

Exact match

“Fondé en 1991 par Madame Renée Gallant FCPA, FCA, M.Fisc, le cabinet est une des premières pratiques autonomes d'importance en fiscalité au Canada.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchStoney Creek, ON, CanadaHQ recorded Sep 29, 20261-105 contacts →

Exact match

“Arjee CPA is your trusted partner in navigating the complexities of accounting and tax management.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchToronto, ON, CanadaHQ recorded Sep 29, 20261-105 contacts →

Exact match

“Tax Returns, Accounting Services and Financial Planning for Businesses and Individuals.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchToronto, ON, CanadaHQ recorded Sep 29, 20261-104 contacts →

Exact match

“We are a professional services firm that provides tax compliance, consulting and tax planning services for corporate clients, mostly in the area of US income taxation.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchKamloops, BC, CanadaHQ recorded Sep 29, 20261-104 contacts →

Exact match

“Our Values: R: Return on investment(ROI).”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 245 tax compliance outsourcing companies based in Canada

See the full list, filter by size, metro and specialty, and access 156 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax compliance outsourcing companies based in Canada at a glance

As of Sep 29, 2026
21.1%Verified-email coverage
3.0Average contacts per company
1-10Median size (employees)
11.4%Largest-city concentration · Toronto
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
211
11-50
22
51-200
5

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 245 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Canada whose business descriptions match “tax compliance outsourcing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 156 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Tax compliance outsourcing companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tax compliance outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax compliance outsourcing companies are there based in Canada?

RevenueBase identified 245 company matches for tax compliance outsourcing companies associated with Canada as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Cfla S.E.N.C.R.L. LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most tax compliance outsourcing companies?

Toronto leads with 28 company records, followed by Montreal (12) and Mississauga (11).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 156 professional contacts with verified work emails tracked across these 245 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.