Company lists · Data refreshed September 2026

Top 25 Professional service companies based in Canada

RevenueBase identified 512 company matches for professional service companies associated with Canada as of September 2026 and tracks 7,204 professional contacts across them, including 3,727 with verified work emails. Toronto is the largest hub.

This list covers company matches for professional service companies 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
512Companies
7,204Contacts tracked
3,727Verified emails
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The 25 largest professional service companies based in Canada

Ranked by team size
Top 25 of 512 company matches for professional service companies 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchQuébec, QC, CanadaHQ recorded Sep 20, 20261,001-5,0001,268 contacts →

Exact match

“Mallette compte plus de 40 bureaux solidement implantés dans plusieurs régions du Québec et regroupe plus de 1 600 ressources œuvrant dans différents secteurs d’activité.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchVancouver, BC, CanadaHQ recorded Sep 20, 2026201-500402 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
3Exact matchMontréal, QC, CanadaHQ recorded Sep 20, 2026201-500347 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
4Exact matchVancouver, BC, CanadaHQ recorded Sep 20, 2026201-500316 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
5Exact matchEdmonton, AB, CanadaHQ recorded Sep 20, 202651-200218 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
6Exact matchSainte-marie, QC, CanadaHQ recorded Sep 20, 2026201-500170 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
7Exact matchMontréal, QC, CanadaHQ recorded Sep 20, 202651-200164 contacts →

Exact match

“BCGO est un cabinet indépendant d’expertise comptable et de services-conseils aux entrepreneurs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchSte-agathe-des-monts, QC, CanadaHQ recorded Sep 20, 202651-200114 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
9Exact matchLeamington, ON, CanadaHQ recorded Sep 20, 202651-200103 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
10Exact matchVancouver, BC, CanadaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
11Exact matchToronto, ON, CanadaHQ recorded Sep 20, 202651-20077 contacts →

Exact match

“Quality Service.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchWaterloo, ON, CanadaHQ recorded Sep 20, 202651-20070 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
13Exact matchCochrane, AB, CanadaHQ recorded Sep 20, 202651-20069 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
14Exact matchEdmonton, AB, CanadaHQ recorded Sep 20, 202651-20068 contacts →

Exact match

“Hi.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchToronto, ON, CanadaHQ recorded Sep 20, 202651-20063 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
16Exact matchRichmond, BC, CanadaHQ recorded Sep 20, 202651-20062 contacts →

Exact match

“RHN CPA is not your typical accounting firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchMont-saint-hilaire, QC, CanadaHQ recorded Sep 20, 202651-20061 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
18Exact matchWinnipeg, MB, CanadaHQ recorded Sep 20, 202611-5058 contacts →

Exact match

“We help business owners optimize their business.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchChâteauguay, QC, CanadaHQ recorded Sep 20, 202651-20057 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
20Exact matchVancouver, BC, CanadaHQ recorded Sep 20, 202651-20054 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
21Exact matchVictoriaville, QC, CanadaHQ recorded Sep 20, 202651-20052 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
22Exact matchChilliwack, BC, CanadaHQ recorded Sep 20, 202611-5050 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
23Exact matchToronto, ON, CanadaHQ recorded Sep 20, 202651-20048 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
24Exact matchTrois-rivières, CanadaHQ recorded Sep 20, 202651-20046 contacts →

Exact match

“Fondée le 26 août 2009 par M.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchVancouver, BC, CanadaHQ recorded Sep 20, 202651-20043 contacts →

Exact match

“Our team has grown to over 65 members, including 7 partners and 25 Chartered Professional Accountants.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 512 professional service companies based in Canada

See the full list, filter by size, metro and specialty, and access 3,727 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Professional service companies based in Canada at a glance

As of Sep 20, 2026
51.7%Verified-email coverage
14.1Average contacts per company
1-10Median size (employees)
14.8%Largest-city concentration · Toronto
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
304
11-50
157
51-200
38
201-500
7
1,001-5,000
4
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 512 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 companies” 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 3,727 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 companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional service companies are there based in Canada?

RevenueBase identified 512 company matches for professional service companies 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?

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

Which city has the most professional service companies?

Toronto leads with 76 company records, followed by Montreal (39) and Vancouver (31).

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 3,727 professional contacts with verified work emails tracked across these 512 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.