Company lists · Data refreshed September 2026

Top 25 Tax audit services based in Canada

RevenueBase identified 277 company matches for tax audit services associated with Canada as of September 2026 and tracks 1,216 professional contacts across them, including 441 with verified work emails. Toronto is the largest hub.

This list covers company matches for tax audit services 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 21, 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 21, 2026 How this list was built
277Companies
1,216Contacts tracked
441Verified emails
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The 25 largest tax audit services based in Canada

Ranked by team size
Top 25 of 277 company matches for tax audit services based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchOttawa, ON, CanadaHQ recorded Sep 21, 202651-20094 contacts →

Exact match

“GGFL is the tax planning and accounting firm for Ottawa’s successful business people.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchStratford, ON, CanadaHQ recorded Sep 21, 202651-20087 contacts →

Exact match

“Since 1947, Famme & Co.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchVictoria, BC, CanadaHQ recorded Sep 21, 202611-5049 contacts →

Exact match

“Since 1987, Hutcheson & Co.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchVictoria, BC, CanadaHQ recorded Sep 21, 202611-5044 contacts →

Exact match

“Dusanj & Wirk is an accounting firm based in Victoria, BC, providing accounting, taxation, auditing and advisory services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchEdmonton, AB, CanadaHQ recorded Sep 21, 202611-5025 contacts →

Exact match

“Gallo LLP is an #accounting firm with offices in both Edmonton and Sherwood Park.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchNew Westminster, BC, CanadaHQ recorded Sep 21, 202611-5020 contacts →

Exact match

“Kaushal & Co.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchScarborough, ON, CanadaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
8Exact matchSaint John, NB, CanadaHQ recorded Sep 21, 20261-1016 contacts →

Exact match

“Our firm offers a wide range of services to our individual and business clients.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchYellowknife, NT, CanadaHQ recorded Sep 21, 202611-5014 contacts →

Exact match

“At EPR Yellowknife, we specialize in personalized accounting, taxation, and financial advisory services for individuals, small businesses, and corporations across the North.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchWindsor, ON, CanadaHQ recorded Sep 21, 20261-1013 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchCalgary, AB, CanadaHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“We've been in business for over 40 years, and by working with more than clients every year, we've seen it all.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchSaint-bernard, QC, CanadaHQ recorded Sep 21, 202651-20012 contacts →

Exact match

“On partage de grandes valeurs.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchOlds, AB, CanadaHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“Tax And Accounting Solutions Unique To You.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchCambridge, ON, CanadaHQ recorded Sep 21, 202611-5011 contacts →

Exact match

“Cambridge Home | Cambridge Tax Consultant”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchMontreal, CanadaHQ recorded Sep 21, 202611-5011 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchYellowknife, NT, CanadaHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“Established in 1969, Avery Cooper has offered public accounting and auditing services throughout the North.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchRichmond, BC, CanadaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
18Exact matchBurnaby, BC, CanadaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
19Exact matchMontréal, QC, CanadaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
20Exact matchToronto, ON, CanadaHQ recorded Sep 21, 20261-109 contacts →

Exact match

“Gram LLP is a full service accounting firm led by professional advisors, all with previous experience in the Big Four.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchOttawa, ON, CanadaHQ recorded Sep 21, 202611-508 contacts →

Exact match

“Vaive and Associates Professional Corporation is a tax consulting, business advisory and accounting firm.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchRichmond Hill, ON, CanadaHQ recorded Sep 21, 202611-508 contacts →

Exact match

“Render & Partners LLP is a professional accounting firm in Aurora, ON dedicated to helping its clients succeed.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchOttawa, ON, CanadaHQ recorded Sep 21, 20261-108 contacts →

Exact match

“Armstrong Jones LLP is an accounting firm based in Ottawa, Ontario that offers services in accounting, audit and assurance, tax planning and compliance, and a wide array of…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchLaval, QC, CanadaHQ recorded Sep 21, 202611-508 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchCalgary, AB, CanadaHQ recorded Sep 21, 20261-108 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 277 tax audit services based in Canada

See the full list, filter by size, metro and specialty, and access 441 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax audit services based in Canada at a glance

As of Sep 21, 2026
36.3%Verified-email coverage
4.4Average contacts per company
1-10Median size (employees)
11.2%Largest-city concentration · Toronto
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
220
11-50
45
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 277 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 audit services” 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 441 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 21, 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.

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 audit services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax audit services are there based in Canada?

RevenueBase identified 277 company matches for tax audit services 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?

Ggfl LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most tax audit services?

Toronto leads with 31 company records, followed by Mississauga (17) and Montreal (13).

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 441 professional contacts with verified work emails tracked across these 277 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 21, 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.