Company lists · Data refreshed November 2026

Top 25 Substance over form tax advisors based in Canada

RevenueBase identified 101 company matches for substance over form tax advisors associated with Canada as of November 2026 and tracks 728 professional contacts across them, including 272 with verified work emails. Toronto is the largest hub.

This list covers company matches for substance over form tax advisors 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 November 6, 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 Nov 6, 2026 How this list was built
101Companies
728Contacts tracked
272Verified emails
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The 25 largest substance over form tax advisors based in Canada

Ranked by team size
Top 25 of 101 company matches for substance over form tax advisors based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchToronto, ON, CanadaHQ recorded Nov 6, 202651-200180 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMississauga, ON, CanadaHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“S+C Partners has been providing professional accounting, advisory and tax services across the GTA since 1987.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202611-5030 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew Westminster, BC, CanadaHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Kaushal & Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchVictoriaville, QC, CanadaHQ recorded Nov 6, 202651-20019 contacts →

Exact match

“Pellerin Aubert Ramsay Provencher inc, fondé en 1980, a son siège social à Victoriaville.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSt-jean-sur-richelieu, QC, CanadaHQ recorded Nov 6, 20261-1015 contacts →

Exact match

“Avec son équipe spécialisée en fiscalité, Periscope met à profit un large spectre de connaissances nichées afin de vous conseiller en toute transparence et objectivité dans la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCambridge, ON, CanadaHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Cambridge Home | Cambridge Tax Consultant”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMontréal, QC, CanadaHQ recorded Nov 6, 20261-1013 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMontréal, QC, CanadaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Les travailleurs autonomes, les jeunes entreprises et les PME ont souvent besoin de support et de conseils au niveau de leur comptabilité et de leur fiscalité.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchVaughan, ON, CanadaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Businesses choose M7 for our accounting-first Odoo ERP expertise, helping companies solve complex financial and operational challenges through specialized advisory, optimization…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchOlds, AB, CanadaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Tax And Accounting Solutions Unique To You.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“AI Tax Consultants specializes in delivering tax and accounting services to individuals, self-employed and corporations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBrampton, ON, CanadaHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“We're dedicated to our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Dang & Company is a full-fledged advisory firm, providing advisory, tax and accounting services to a wide variety of small-medium sized businesses in Western Canada since 1993.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchGeorgetown, ON, CanadaHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Accountants on Main is a proud Georgetown-Ontario-based accounting firm recognized for exceptional work in the areas of taxation and business advisory services for private and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202611-509 contacts →

Exact match

“COMTAX Since 1986 For over 20 years our team has excelled at looking at taxation from a different perspective.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Bliss Accounting provides accounting, tax and consulting services to both individuals and businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSaint-hyacinthe, QC, CanadaHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Efficience CPA est un cabinet d'expertise comptable situé à Saint-Hyacinthe sur la Rive-Sud de Montréal.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHamilton, CanadaHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAbbotsford, CanadaHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Headquarted in BC, Canada, CJCPA is a trusted accounting firm offering personalized financial, accounting, bookkeeping, taxation, auditing and business advisory services to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchToronto, ON, CanadaHQ recorded Nov 6, 20261-106 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBrossard, QC, CanadaHQ recorded Nov 6, 202611-506 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 · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSt. Stephen, NB, CanadaHQ recorded Nov 6, 202611-505 contacts →

Exact match

“ANR is a Trusted Advisor to Small Business Owners, Individuals and Non-Profit Organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchToronto, ON, CanadaHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Personal Tax Advisors began in 2005 providing Canadian income tax preparation services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Business Law”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 101 substance over form tax advisors based in Canada

See the full list, filter by size, metro and specialty, and access 272 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Substance over form tax advisors based in Canada at a glance

As of Nov 6, 2026
37.4%Verified-email coverage
7.2Average contacts per company
1-10Median size (employees)
16.8%Largest-city concentration · Toronto
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
74
11-50
20
51-200
3

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 101 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 “substance over form tax advisors” 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 272 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 November 6, 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 “substance over form tax advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many substance over form tax advisors are there based in Canada?

RevenueBase identified 101 company matches for substance over form tax advisors associated with Canada as of November 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?

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

Which city has the most substance over form tax advisors?

Toronto leads with 17 company records, followed by Mississauga (10) and Calgary (4).

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 272 professional contacts with verified work emails tracked across these 101 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 November 6, 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.