Company lists · Data refreshed September 2026

Top 25 Accounting firm merger integration consultants based in Canada

RevenueBase identified 424 accounting firm merger integration consultants headquartered in Canada as of September 2026 and tracks 15,822 professional contacts across them, including 8,838 with verified work emails. Toronto is the largest hub.

This list covers accounting firm merger integration consultants headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
424Companies
15,822Contacts tracked
8,838Verified emails
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The 25 largest accounting firm merger integration consultants based in Canada

Ranked by team size
Top 25 of 424 accounting firm merger integration consultants based in Canada, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to accounting firm merger integration consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceCalgary, AB, CanadaHQ checked Sep 27, 20265,001-10,0008,773 contacts →

Partial evidence

“MNP is a leading national accounting, tax and business consulting firm in Canada.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceQuébec, QC, CanadaHQ checked Sep 27, 20261,001-5,0001,268 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 27, 2026
3Indirect evidenceMontréal, QC, CanadaHQ checked Sep 27, 2026201-500347 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 27, 2026
4Partial evidenceVancouver, BC, CanadaHQ checked Sep 27, 2026201-500316 contacts →

Partial evidence

“DMCL LLP is a full-service accounting firm dedicated to helping you achieve and exceed your business goals, no matter how ambitious.”

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceVancouver, BC, CanadaHQ checked Sep 27, 2026201-500296 contacts →

Indirect evidence

“Manning Elliott LLP is considered to be one of the most well-respected and progressive mid-sized firms in the Lower Mainland & Fraser Valley.”

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceToronto, ON, CanadaHQ checked Sep 27, 2026201-500258 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceAnjou, QC, CanadaHQ checked Sep 27, 202651-200206 contacts →

Partial evidence

“HNA LLP is a multidisciplinary accounting firm that is among the 20 largest players in Quebec.”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceSainte-marie, QC, CanadaHQ checked Sep 27, 2026201-500170 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 27, 2026
9Partial evidenceToronto, ON, CanadaHQ checked Sep 27, 202651-200168 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceMontréal, QC, CanadaHQ checked Sep 27, 202651-200164 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceSt. Catharines, ON, CanadaHQ checked Sep 27, 202651-200155 contacts →

Indirect evidence

“BIG ENOUGH TO KNOW.”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceSte-agathe-des-monts, QC, CanadaHQ checked Sep 27, 202651-200114 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceQuébec, QC, CanadaHQ checked Sep 27, 202651-20092 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidencePeterborough, ON, CanadaHQ checked Sep 27, 202651-20088 contacts →

Partial evidence

“At Gauvreau Accounting Tax Law Advisory, entrepreneurship drives everything we do.”

Source: RevenueBase Database · checked Sep 27, 2026
15Partial evidenceVancouver, BC, CanadaHQ checked Sep 27, 202651-20086 contacts →

Partial evidence

“Located in the heart of Downtown Vancouver, Invictus Accounting Group LLP provides consulting, accounting and tax advisory for publicly listed and privately held companies.”

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceMississauga, ON, CanadaHQ checked Sep 27, 202651-20072 contacts →

Partial evidence

“We are an accounting, tax, and business consulting firm based in the Greater Toronto Area, Canada.”

Source: RevenueBase Database · checked Sep 27, 2026
17Indirect evidenceEdmonton, AB, CanadaHQ checked Sep 27, 202651-20068 contacts →

Indirect evidence

“Hi.”

Source: RevenueBase Database · checked Sep 27, 2026
18Partial evidenceToronto, ON, CanadaHQ checked Sep 27, 202651-20063 contacts →

Partial evidence

“Adams + Miles delivers accounting, audit, assurance and strategic consulting services to clients across sectors.”

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidenceMont-saint-hilaire, QC, CanadaHQ checked Sep 27, 202651-20061 contacts →

Indirect evidence

“Brodeur & Létourneau CPA est un cabinet comptable de professionnels agréés aux services de ses clients depuis 45 ans.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceMarkham, ON, CanadaHQ checked Sep 27, 202651-20059 contacts →

Partial evidence

“Norton McMullen LLP is a mid-sized accounting firm based out of Markham, ON, Canada.”

Source: RevenueBase Database · checked Sep 27, 2026
21Indirect evidenceChâteauguay, QC, CanadaHQ checked Sep 27, 202651-20057 contacts →

Indirect evidence

“Depuis plus de 45 ans, les professionnels de Chiasson Gauvreau Inc.”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceVancouver, BC, CanadaHQ checked Sep 27, 202651-20054 contacts →

Indirect evidence

“Vohora LLP joined Doane Grant Thornton LLP on December 1, 2025.”

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceBurlington, ON, CanadaHQ checked Sep 27, 202651-20054 contacts →

Indirect evidence

“Bateman MacKay LLP helps privately owned businesses make informed decisions, optimize tax outcomes, improve profitability, and plan confidently for the future.”

Source: RevenueBase Database · checked Sep 27, 2026
24Partial evidenceMarkham, ON, CanadaHQ checked Sep 27, 202651-20053 contacts →

Partial evidence

“Kraft Berger LLP is a multidisciplinary accounting firm that has been trusted by clients since 1942.”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceGatineau, QC, CanadaHQ checked Sep 27, 202651-20049 contacts →

Indirect evidence

“Nous propulsons la croissance des entreprises grâce à des stratégies sur mesure qui connectent la Finance, les RH, la Technologie et le Marketing.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 424 accounting firm merger integration consultants based in Canada

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Accounting firm merger integration consultants based in Canada at a glance

As of Sep 27, 2026
55.9%Verified-email coverage
37.3Average contacts per company
1-10Median size (employees)
13.7%Largest-city concentration · Toronto
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
259
11-50
118
51-200
27
201-500
12
1,001-5,000
2
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 424 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among accounting firm merger integration consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Canada whose own description of what they do matches “accounting firm merger integration consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names accounting firm merger integration consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among accounting firm merger integration consultants, and records with no verified work email. Companies headquartered outside Canada are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 8,838 across the full list. 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 27, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names accounting firm merger integration consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many accounting firm merger integration consultants are there based in Canada?

RevenueBase identified 424 accounting firm merger integration consultants headquartered in Canada as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

MNP, headquartered in Calgary, tops this list with the largest team on record.

Which city has the most accounting firm merger integration consultants?

Toronto leads with 58 headquartered companies, followed by Montreal (50) and Calgary (35).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 8,838 verified decision-maker contacts tracked across these 424 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 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 Smart Search, 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.