Company lists · Data refreshed September 2026

Top 25 Corporate tax consulting firms based in Canada

RevenueBase identified 564 company matches for corporate tax consulting firms associated with Canada as of September 2026 and tracks 12,574 professional contacts across them, including 6,453 with verified work emails. Toronto is the largest hub.

This list covers company matches for corporate tax consulting firms 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 27, 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 27, 2026 How this list was built
564Companies
12,574Contacts tracked
6,453Verified emails
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The 25 largest corporate tax consulting firms based in Canada

Ranked by team size
Top 25 of 564 company matches for corporate tax consulting firms based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchCalgary, AB, CanadaHQ recorded Sep 27, 20265,001-10,0008,773 contacts →

Exact match

“MNP is a leading national accounting, tax and business consulting firm in Canada.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchCalgary, AB, CanadaHQ recorded Sep 27, 2026201-500260 contacts →

Exact match

“For more than 70 years, our focus has always been to bring financial peace of mind to our Canadian business owners.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchToronto, ON, CanadaHQ recorded Sep 27, 202651-200168 contacts →

Exact match

“Zeifmans is a full-service tax, accounting and consulting firm based in Toronto, Canada.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchToronto, ON, CanadaHQ recorded Sep 27, 202651-200161 contacts →

Exact match

“Trowbridge Professional Corporation is a long established global accounting firm that provides a wide range of personal and corporate tax services, specializing in international…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchOttawa, ON, CanadaHQ recorded Sep 27, 202651-200109 contacts →

Exact match

“Marcil Lavallée est un partenaire engagé qui contribue activement à la réussite de ses clients en anticipant leurs besoins et en leur offrant une gamme complète de solutions…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchVancouver, BC, CanadaHQ recorded Sep 27, 202651-200106 contacts →

Exact match

“Thorsteinssons is the largest Canadian law firm practicing exclusively in Tax.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchOttawa, ON, CanadaHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
8Exact matchVancouver, BC, CanadaHQ recorded Sep 27, 202651-20086 contacts →

Exact match

“Located in the heart of Downtown Vancouver, Invictus Accounting Group LLP provides consulting, accounting and tax advisory for publicly listed and privately held companies.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchOttawa, ON, CanadaHQ recorded Sep 27, 202651-20080 contacts →

Exact match

“At Baker Tilly Ottawa LLP, we provide expert tax, assurance, and entrepreneurial services to help your business grow and prosper.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchToronto, ON, CanadaHQ recorded Sep 27, 202651-20077 contacts →

Exact match

“Quality Service.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchVancouver, CanadaHQ recorded Sep 27, 202611-5056 contacts →

Exact match

“At Horizon Chartered Professional Accountants we know that financial success is achieved by more than careful planning and experienced decision-making: it is realized through a…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchEdmonton & Toronto, CanadaHQ recorded Sep 27, 202611-5053 contacts →

Exact match

“At Romanovsky and Associates we are committed to providing high quality services that are needed in today's competitive market place.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchBrossard, QC, CanadaHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
14Exact matchVictoria, BC, CanadaHQ recorded Sep 27, 202611-5049 contacts →

Exact match

“Since 1987, Hutcheson & Co.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchToronto, ON, CanadaHQ recorded Sep 27, 202611-5041 contacts →

Exact match

“Cadesky Tax is an independent tax consulting firm.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchMarkham, ON, CanadaHQ recorded Sep 27, 202611-5038 contacts →

Exact match

“At NVS, we want to be your financial advocate.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchToronto, ON, CanadaHQ recorded Sep 27, 202611-5033 contacts →

Exact match

“Rosen & Associates Tax Law (“R&A Tax Law) is a national tax law firm based in Toronto, Ontario.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchToronto, ON, CanadaHQ recorded Sep 27, 202611-5031 contacts →

Exact match

“SBLR LLP is a rapidly evolving mid-sized accounting and tax firm that focuses on delivering top service to the small and medium-size entrepreneurial business owner.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchVancouver, BC, CanadaHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
20Exact matchEdmonton, AB, CanadaHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
21Exact matchNorth Vancouver, BC, CanadaHQ recorded Sep 27, 202611-5025 contacts →

Exact match

“At Lawson & Coleman, we work as a team to provide the best service possible to clients and the community.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchMarkham, ON, CanadaHQ recorded Sep 27, 202611-5022 contacts →

Exact match

“Truster Zweig Raithatha LLP is a Canadian accounting firm based out of the GTA that specializes in complex tax and estate planning solutions offered via its team at TZR Tax™.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchNew Westminster, BC, CanadaHQ recorded Sep 27, 202611-5020 contacts →

Exact match

“Kaushal & Co.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchToronto, ON, CanadaHQ recorded Sep 27, 202611-5020 contacts →

Exact match

“We have been providing accounting, assurance, and creative tax minimization strategies to individuals, corporations, and entrepreneurs for more than four decades.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchScarborough, ON, CanadaHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase

Showing 25 of 564 corporate tax consulting firms based in Canada

See the full list, filter by size, metro and specialty, and access 6,453 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Corporate tax consulting firms based in Canada at a glance

As of Sep 27, 2026
51.3%Verified-email coverage
22.3Average contacts per company
1-10Median size (employees)
11.7%Largest-city concentration · Toronto
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
423
11-50
115
51-200
17
201-500
1
5,001-10,000
1

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 564 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 “corporate tax consulting firms” 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 6,453 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 27, 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 “corporate tax consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many corporate tax consulting firms are there based in Canada?

RevenueBase identified 564 company matches for corporate tax consulting firms 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?

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

Which city has the most corporate tax consulting firms?

Toronto leads with 66 company records, followed by Mississauga (43) and Calgary (40).

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 6,453 professional contacts with verified work emails tracked across these 564 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 27, 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.