Company lists · Data refreshed September 2026

Top 25 Tax services firms based in Canada

Name: Tax services firms based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 1,996 companies tracked

RevenueBase identified 1,996 company matches for tax services firms associated with Canada as of September 2026 and tracks 12,184 professional contacts across them, including 4,405 with verified work emails. Toronto is the largest hub.

This list covers company matches for tax services 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 22, 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 22, 2026 How this list was built

1,996Companies

12,184Contacts tracked

4,405Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest tax services firms based in Canada

Ranked by team size

Top 25 of 1,996 company matches for tax services firms based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	H&r Block Canada	Exact match	Calgary, AB, CanadaHQ recorded Sep 22, 2026	5,001-10,000	889 contacts →
	Exact match “We’re Canada’s leading tax preparation firm for over 60 years – delivering value to Canadians by our expertise and knowledge in handling all tax situations and by our commitment…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2	Crowe Mackay LLP	Exact match	Vancouver, BC, CanadaHQ recorded Sep 22, 2026	201-500	402 contacts →
	Exact match “Crowe MacKay LLP is a vibrant team of trusted advisors in eight cities across western and northern Canada.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	FBC Farm And Small Business TAX Consultants	Exact match	Calgary, AB, CanadaHQ recorded Sep 22, 2026	201-500	260 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 22, 2026 · View company records in RevenueBase
4	BVA	Exact match	Sainte-marie, QC, CanadaHQ recorded Sep 22, 2026	201-500	170 contacts →
	Exact match “Depuis maintenant plus de 60 ans, BVA a développé une panoplie de services axés sur les préoccupations des entrepreneurs, des professionnels et des dirigeants d’entreprises.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5	Zeifmans	Exact match	Toronto, ON, CanadaHQ recorded Sep 22, 2026	51-200	168 contacts →
	Exact match “Zeifmans is a full-service tax, accounting and consulting firm based in Toronto, Canada.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6	Lemieux Nolet	Exact match	Lévis, QC, CanadaHQ recorded Sep 22, 2026	201-500	163 contacts →
	Exact match “Lemieux Nolet, cabinet de comptables professionnels agréés, œuvre dans le domaine depuis 1949 en vous offrant entre autres des services en certification, fiscalité, évaluation…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7	Trowbridge Professional Corporation	Exact match	Toronto, ON, CanadaHQ recorded Sep 22, 2026	51-200	161 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 22, 2026 · View company records in RevenueBase
8	Mcgovern Hurley LLP	Exact match	Toronto, ON, CanadaHQ recorded Sep 22, 2026	51-200	114 contacts →
	Exact match “McGovern Hurley commenced operations in 1980.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	Marcil Lavallée	Exact match	Ottawa, ON, CanadaHQ recorded Sep 22, 2026	51-200	109 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 22, 2026 · View company records in RevenueBase
10	Thorsteinssons TAX Lawyers	Exact match	Vancouver, BC, CanadaHQ recorded Sep 22, 2026	51-200	106 contacts →
	Exact match “Thorsteinssons is the largest Canadian law firm practicing exclusively in Tax.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	SB Partners	Exact match	Burlington, ON, CanadaHQ recorded Sep 22, 2026	51-200	98 contacts →
	Exact match “SB Partners is a full service accounting firm located in Burlington, Ontario.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	Ggfl LLP	Exact match	Ottawa, ON, CanadaHQ recorded Sep 22, 2026	51-200	94 contacts →
	Exact match “GGFL is the tax planning and accounting firm for Ottawa’s successful business people.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	Dallaire Forest Kirouac, Comptables Professionnels Agréés S.E.N.C.R.L	Exact match	Québec, QC, CanadaHQ recorded Sep 22, 2026	51-200	92 contacts →
	Exact match “Dallaire Forest Kirouac (DFK) est un cabinet d’expert(e)s‑comptables offrant des services de certification, comptabilité, fiscalité, juricomptabilité, d’évaluation d’entreprise et…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	Famme & Co. Chartered Professional Accountants	Exact match	Stratford, ON, CanadaHQ recorded Sep 22, 2026	51-200	87 contacts →
	Exact match “Since 1947, Famme & Co.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	Invictus Accounting Group LLP	Exact match	Vancouver, BC, CanadaHQ recorded Sep 22, 2026	51-200	86 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 22, 2026 · View company records in RevenueBase
16	S C Partners	Exact match	Mississauga, ON, CanadaHQ recorded Sep 22, 2026	51-200	82 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 · Sep 22, 2026 · View company records in RevenueBase
17	Baker Tilly Ottawa LLP	Exact match	Ottawa, ON, CanadaHQ recorded Sep 22, 2026	51-200	80 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 22, 2026 · View company records in RevenueBase
18	Clearline CPA	Exact match	Surrey, BC, CanadaHQ recorded Sep 22, 2026	51-200	78 contacts →
	Exact match “Clearline Chartered Professional Accountants is an accounting firm based in Vancouver, Surrey and the Tri-Cities and is dedicated to bringing clarity, strategy and confidence to…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19	Grewal Guyatt LLP	Exact match	Richmond Hill, ON, CanadaHQ recorded Sep 22, 2026	51-200	64 contacts →
	Exact match “Grewal Guyatt LLP is a full-service professional services firm based out of the GTA that specializes in estate planning, tax consulting, business valuations and litigation support…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	AC Belliveau Veinotte Inc. Chartered Professional Accountants	Exact match	Bridgewater, NS, CanadaHQ recorded Sep 22, 2026	51-200	63 contacts →
	Exact match “Public Accounting, Consulting and Tax Advisors.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	Onbusiness Chartered Professional Accountants INC	Exact match	Winnipeg, MB, CanadaHQ recorded Sep 22, 2026	11-50	58 contacts →
	Exact match “Learn more about our career opportunities by visiting copying and pasting this URL into your address bar: http://onbusiness.ca/resources/join-the-team/ Since 2004, ONBusiness…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	SRJ Chartered Professional Accountants Canada	Exact match	Toronto, ON, CanadaHQ recorded Sep 22, 2026	51-200	58 contacts →
	Exact match “SRJ Chartered Accountants is a cloud based Canadian full-service tax and accounting firm located in the heart of downtown Toronto, Mississauga and Oakville.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23	Horizon Chartered Professional Accountants	Exact match	Vancouver, CanadaHQ recorded Sep 22, 2026	11-50	56 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 22, 2026 · View company records in RevenueBase
24	Romanovsky & Associates LLP	Exact match	Edmonton & Toronto, CanadaHQ recorded Sep 22, 2026	11-50	53 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 22, 2026 · View company records in RevenueBase
25	RSP LLP	Exact match	Vaughan, ON, CanadaHQ recorded Sep 22, 2026	51-200	52 contacts →
	Exact match “Accountants equipped to help you grow and plan your organization into a strong, stable financial future.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “tax services firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 1,996 tax services firms based in Canada

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Tax services firms based in Canada at a glance

As of Sep 22, 2026

36.2%Verified-email coverage

6.1Average contacts per company

1-10Median size (employees)

10.0%Largest-city concentration · Toronto

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

1,555

11-50

357

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 1,996 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 services 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 4,405 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 22, 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 services firms 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 services firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax services firms are there based in Canada?

RevenueBase identified 1,996 company matches for tax services 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?

H&r Block Canada tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most tax services firms?

Toronto leads with 200 company records, followed by Mississauga (129) and Calgary (123).

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 4,405 professional contacts with verified work emails tracked across these 1,996 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 22, 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.