Company lists · Data refreshed September 2026

Top 25 Professional services firms based in Canada

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

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 2,844 companies tracked

RevenueBase identified 2,844 company matches for professional services firms associated with Canada as of September 2026 and tracks 32,813 professional contacts across them, including 15,764 with verified work emails and 1,657 with mobile numbers. Toronto is the largest hub.

This list covers company matches for professional 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 5, 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 5, 2026 How this list was built

2,844Companies

32,813Contacts tracked

15,764Verified emails

1,657Mobile numbers

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The 25 largest professional services firms based in Canada

Ranked by team size

Top 25 of 2,844 company matches for professional services firms based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 5, 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	MNP	Exact match	Calgary, AB, CanadaHQ recorded Sep 5, 2026	5,001-10,000	8,773 contacts →
	Exact match “MNP is a leading national accounting, tax and business consulting firm in Canada.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
2	Mallette	Exact match	Québec, QC, CanadaHQ recorded Sep 5, 2026	1,001-5,000	1,268 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 5, 2026 · View company records in RevenueBase
3	Crowe Mackay LLP	Exact match	Vancouver, BC, CanadaHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
4	Welch LLP	Exact match	Ottawa, ON, CanadaHQ recorded Sep 5, 2026	201-500	399 contacts →
	Exact match “Welch LLP is a Chartered Public Accounting firm that has deep roots in the communities it serves.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
5	FBL S.E.N.C.R.L. Société DE Comptables Professionnels Agréés	Exact match	Montréal, QC, CanadaHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
6	Invisor Consulting Services	Exact match	Fergus, ON, CanadaHQ recorded Sep 5, 2026	201-500	341 contacts →
	Exact match “We are a team of accountants qualified from professional bodies across the globe who have considerable experience in finance and related digital transformation.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7	Dmcl Chartered Professional Accountants	Exact match	Vancouver, BC, CanadaHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
8	Manning Elliott Accountants & Business Advisors	Exact match	Vancouver, BC, CanadaHQ recorded Sep 5, 2026	201-500	296 contacts →
	Exact match “Manning Elliott LLP is considered to be one of the most well-respected and progressive mid-sized firms in the Lower Mainland & Fraser Valley.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9	Crowe Soberman	Exact match	Toronto, ON, CanadaHQ recorded Sep 5, 2026	51-200	265 contacts →
	Exact match “As an award-winning public accounting firm, we provide exceptional professional service (by being accessible, responsive and proactive) to meet the special and on-going individual…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10	Segal Gcse LLP	Exact match	Toronto, ON, CanadaHQ recorded Sep 5, 2026	201-500	258 contacts →
	Exact match “At Segal GCSE LLP, we embrace an ambitious firm philosophy: to provide our valued clients with an expansive service experience that enables greater opportunities for growth and…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11	Collins Barrow	Exact match	Waterloo, ON, CanadaHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
12	Kingston Ross Pasnak LLP	Exact match	Edmonton, AB, CanadaHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
13	PSB Boisjoli	Exact match	Montreal, QC, CanadaHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
14	Smythe LLP	Exact match	Vancouver, BC, CanadaHQ recorded Sep 5, 2026	201-500	199 contacts →
	Exact match “Smythe is a BC-based accounting firm recognized for exceptional work in the areas of assurance, taxation and business advisory services for private and public companies…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15	Fuller Landau LLP	Exact match	Toronto, ON, CanadaHQ recorded Sep 5, 2026	51-200	192 contacts →
	Exact match “Work together with people excited by your goals and eager to address your unique business needs.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
16	BVA	Exact match	Sainte-marie, QC, CanadaHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
17	Zeifmans	Exact match	Toronto, ON, CanadaHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
18	Bcgo S.E.N.C.R.L	Exact match	Montréal, QC, CanadaHQ recorded Sep 5, 2026	51-200	164 contacts →
	Exact match “BCGO est un cabinet indépendant d’expertise comptable et de services-conseils aux entrepreneurs.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19	Hcsc INC	Exact match	Longueuil, QC, CanadaHQ recorded Sep 5, 2026	n/a	164 contacts →
	Exact match “Services-conseils en optimisation de processus d'affaires, comptabilité, financement, démarrage d'entreprise, implantation de logiciel de gestion intégrée et recrutement.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20	Lemieux Nolet	Exact match	Lévis, QC, CanadaHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
21	DJB Chartered Professional Accountants	Exact match	St. Catharines, ON, CanadaHQ recorded Sep 5, 2026	51-200	155 contacts →
	Exact match “BIG ENOUGH TO KNOW.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22	FCR Freelandt Caldwell Reilly LLP	Exact match	Sudbury, ON, CanadaHQ recorded Sep 5, 2026	51-200	137 contacts →
	Exact match “We're FCR, YOUR Chartered Professional Accountants!” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23	Davis Martindale LLP	Exact match	London, ON, CanadaHQ recorded Sep 5, 2026	51-200	122 contacts →
	Exact match “At Davis Martindale, our accountants work to bring you the peace of mind you’re in search of with a touch of personality.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
24	BJC	Exact match	Sainte-julie, QC, CanadaHQ recorded Sep 5, 2026	51-200	120 contacts →
	Exact match “BJC = compétence + connaissance + expérience BJC est un cabinet à guichet unique offrant une gamme complète de services comptables adaptés aux besoins des sociétés privées.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
25	Amyot Gélinas	Exact match	Ste-agathe-des-monts, QC, CanadaHQ recorded Sep 5, 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 5, 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 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 2,844 professional services firms based in Canada

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Professional services firms based in Canada at a glance

As of Sep 5, 2026

48.0%Verified-email coverage

5.0%Mobile-number coverage

11.5Average contacts per company

1-10Median size (employees)

12.2%Largest-city concentration · Toronto

Sep 5, 2026Page data refreshed

Companies by employee count

1-10

2,017

11-50

659

51-200

117

201-500

501-1,000

1,001-5,000

5,001-10,000

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

14,7660–30

92631–60

461–90

290–180

66180+

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 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 15,764 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 5, 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.

Professional 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 “professional services firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional services firms are there based in Canada?

RevenueBase identified 2,844 company matches for professional 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?

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

Which city has the most professional services firms?

Toronto leads with 348 company records, followed by Calgary (166) and Montreal (165).

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 15,764 professional contacts with verified work emails tracked across these 2,844 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 5, 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.