Company lists · Data refreshed September 2026

Top 25 Professional service firms based in Canada

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

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 309 companies tracked

RevenueBase identified 309 company matches for professional service firms associated with Canada as of September 2026 and tracks 5,517 professional contacts across them, including 2,620 with verified work emails. Toronto is the largest hub.

This list covers company matches for professional service 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 20, 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 20, 2026 How this list was built

309Companies

5,517Contacts tracked

2,620Verified emails

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The 25 largest professional service firms based in Canada

Ranked by team size

Top 25 of 309 company matches for professional service firms based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Crowe Mackay LLP	Exact match	Vancouver, BC, CanadaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
2	FBL S.E.N.C.R.L. Société DE Comptables Professionnels Agréés	Exact match	Montréal, QC, CanadaHQ recorded Sep 20, 2026	201-500	347 contacts →
	Exact match “FBL \| SOCIÉTÉ DE COMPTABLES PROFESSIONNELS AGRÉÉS Ayant été désigné comme étant l’un des dix plus grands cabinets au Québec, FBL jouit d’une solide expertise depuis plus de 40 ans.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Dmcl Chartered Professional Accountants	Exact match	Vancouver, BC, CanadaHQ recorded Sep 20, 2026	201-500	316 contacts →
	Exact match “DMCL LLP is a full-service accounting firm dedicated to helping you achieve and exceed your business goals, no matter how ambitious.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Collins Barrow	Exact match	Waterloo, ON, CanadaHQ recorded Sep 20, 2026	1,001-5,000	228 contacts →
	Exact match “Recognized as Canada’s mid-market leader for audit, tax and advisory solutions, our association of 24 independent member firms comprises the eighth largest public accounting group…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Kingston Ross Pasnak LLP	Exact match	Edmonton, AB, CanadaHQ recorded Sep 20, 2026	51-200	218 contacts →
	Exact match “Kingston Ross Pasnak offers an array of comprehensive services through our highly skilled professionals.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	PSB Boisjoli	Exact match	Montreal, QC, CanadaHQ recorded Sep 20, 2026	51-200	206 contacts →
	Exact match “Basé à Montréal, PSB BOISJOLI S.E.N.C.R.L.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	BVA	Exact match	Sainte-marie, QC, CanadaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
8	Amyot Gélinas	Exact match	Ste-agathe-des-monts, QC, CanadaHQ recorded Sep 20, 2026	51-200	114 contacts →
	Exact match “Dès la création du cabinet Amyot Gélinas il y a maintenant plus de 30 ans, notre rêve était de grandir avec notre clientèle et de développer avec elle un partenariat fondé sur le…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Kronis, Rotsztain, Margles, Cappel LLP Krmc	Exact match	Toronto, ON, CanadaHQ recorded Sep 20, 2026	51-200	114 contacts →
	Exact match “KRMC is a diverse, multi-service law firm located in the thriving uptown business district.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Melo LLP	Exact match	Leamington, ON, CanadaHQ recorded Sep 20, 2026	51-200	103 contacts →
	Exact match “With a deep affinity for progress and bold entrepreneurialism, Melo LLP is an integrated, multidisciplinary team committed to driving business sustainability and growth.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Famme & Co. Chartered Professional Accountants	Exact match	Stratford, ON, CanadaHQ recorded Sep 20, 2026	51-200	87 contacts →
	Exact match “Since 1947, Famme & Co.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Invictus Accounting Group LLP	Exact match	Vancouver, BC, CanadaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
13	S C Partners	Exact match	Mississauga, ON, CanadaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
14	Lipton LLP	Exact match	Toronto, ON, CanadaHQ recorded Sep 20, 2026	51-200	77 contacts →
	Exact match “Quality Service.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	MAC LLP	Exact match	Waterloo, ON, CanadaHQ recorded Sep 20, 2026	51-200	70 contacts →
	Exact match “At MAC LLP, our first priority is always you, your family and your business.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Ascend LLP Chartered Professional Accountants	Exact match	Cochrane, AB, CanadaHQ recorded Sep 20, 2026	51-200	69 contacts →
	Exact match “Ascend is a professional services firm providing accounting, tax, advisory, and business consulting services to individuals, entrepreneurs, and organizations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Adams Miles	Exact match	Toronto, ON, CanadaHQ recorded Sep 20, 2026	51-200	63 contacts →
	Exact match “Adams + Miles delivers accounting, audit, assurance and strategic consulting services to clients across sectors.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Brodeur & Létourneau CPA	Exact match	Mont-saint-hilaire, QC, CanadaHQ recorded Sep 20, 2026	51-200	61 contacts →
	Exact match “Brodeur & Létourneau CPA est un cabinet comptable de professionnels agréés aux services de ses clients depuis 45 ans.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Norton Mcmullen LLP	Exact match	Markham, ON, CanadaHQ recorded Sep 20, 2026	51-200	59 contacts →
	Exact match “Norton McMullen LLP is a mid-sized accounting firm based out of Markham, ON, Canada.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Chiasson Gauvreau INC	Exact match	Châteauguay, QC, CanadaHQ recorded Sep 20, 2026	51-200	57 contacts →
	Exact match “Depuis plus de 45 ans, les professionnels de Chiasson Gauvreau Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Vohora LLP	Exact match	Vancouver, BC, CanadaHQ recorded Sep 20, 2026	51-200	54 contacts →
	Exact match “Vohora LLP joined Doane Grant Thornton LLP on December 1, 2025.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Pellerin Potvin Gagnon	Exact match	Victoriaville, QC, CanadaHQ recorded Sep 20, 2026	51-200	52 contacts →
	Exact match “Depuis plus de 60 ans, le cabinet Pellerin Potvin Gagnon évolue au rythme des besoins de sa clientèle avec un souci constant de qualité et une rigueur exemplaire.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	LLT LLP	Exact match	Chilliwack, BC, CanadaHQ recorded Sep 20, 2026	11-50	50 contacts →
	Exact match “At LLT we like smart work with a dose of fun.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Fruitman Kates LLP	Exact match	Toronto, ON, CanadaHQ recorded Sep 20, 2026	51-200	48 contacts →
	Exact match “Fruitman Kates LLP is a public accounting firm based out of 1055 Eglinton Ave W, Toronto, ON, Canada.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Choquette Corriveau	Exact match	Québec, QC, CanadaHQ recorded Sep 20, 2026	11-50	47 contacts →
	Exact match “Reconnu pour sa rigueur professionnelle, la qualité de ses services ainsi que sa compréhension des enjeux de la PME et s’appuyant sur une équipe dynamique et créative capable de…” Recorded in the RevenueBase company graph · Sep 20, 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 “professional service 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 309 professional service firms based in Canada

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Professional service firms based in Canada at a glance

As of Sep 20, 2026

47.5%Verified-email coverage

17.9Average contacts per company

11-50Median size (employees)

12.6%Largest-city concentration · Toronto

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

149

11-50

112

51-200

201-500

1,001-5,000

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 309 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 “professional service 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 2,620 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 20, 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 “professional service firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional service firms are there based in Canada?

RevenueBase identified 309 company matches for professional service 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?

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

Which city has the most professional service firms?

Toronto leads with 39 company records, followed by Vancouver (24) and Montreal (23).

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 2,620 professional contacts with verified work emails tracked across these 309 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 20, 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.