Company lists · Data refreshed September 2026

Top 25 Accounting firm merger integration consultants worldwide

RevenueBase identified 15,810 company matches for accounting firm merger integration consultants worldwide as of September 2026 and tracks 285,725 professional contacts across them, including 100,859 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for accounting firm merger integration consultants worldwide, 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 27, 2026. Country and city lists for accounting firm merger integration consultants follow the table.

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 27, 2026 How this list was built
15,810Companies
285,725Contacts tracked
100,859Verified emails
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The 25 largest accounting firm merger integration consultants worldwide

Ranked by team size
Top 25 of 15,810 company matches for accounting firm merger integration consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchCalgary, AB, CanadaHQ recorded Sep 27, 20265,001-10,0008,773 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchParis La Défense, FranceHQ recorded Sep 27, 202610001+5,839 contacts →

Exact match

“Leader de l'audit, du conseil et de l'expertise comptable, KPMG France est membre de KPMG International, réseau de cabinets indépendants exerçant dans 155 pays.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 27, 202610001+3,630 contacts →

Exact match

“RSM is a leading global network of assurance, tax and consulting firms focused on the middle-market.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchLyon, FranceHQ recorded Sep 27, 20265,001-10,0003,278 contacts →

Exact match

“Crée en 1991 In Extenso est l’un des leaders de l’expertise comptable en France.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchStuttgart, GermanyHQ recorded Sep 27, 20261,001-5,0001,442 contacts →

Exact match

“Wollen Sie jemanden, der Sie auch beim Sprung in neue Märkte und bei allen anstehenden Herausforderungen begleitet?”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchParis, FranceHQ recorded Sep 27, 20261,001-5,0001,330 contacts →

Exact match

“RSM en France, membre de RSM International, 6ème réseau international d'audit, expertise comptable et conseil, c'est 18 implantations dans les principaux pôles régionaux et près…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchQuébec, QC, CanadaHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
8Exact matchValencia, SpainHQ recorded Sep 27, 2026n/a1,097 contacts →

Exact match

“En Wipro impulsamos el progreso.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchSaint-doulchard, FranceHQ recorded Sep 27, 20261,001-5,0001,051 contacts →

Exact match

“Une vision augmentée du conseil au service de votre réussite.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchChennai, IndiaHQ recorded Sep 27, 2026501-1,000916 contacts →

Exact match

“Established in 1978, PKF Sridhar & Santhanam LLP firm of Chartered Accountants, carry the legacy of vast experience and varied exposure in the industry.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchOrléans, FranceHQ recorded Sep 27, 20261,001-5,000800 contacts →

Exact match

“Pour ORCOM, le conseil est un état d'esprit.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchAlphen Aan Den Rijn, NetherlandsHQ recorded Sep 27, 2026501-1,000739 contacts →

Exact match

“Grant Thornton in the Netherlands is a memberfirm of Grant Thornton International Ltd (GTIL), one of the world's largest networks [#7] of independent accounting and consulting…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchZwolle, NetherlandsHQ recorded Sep 27, 20261,001-5,000683 contacts →

Exact match

“Wij zijn Moore MKW.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchMelbourne, AustraliaHQ recorded Sep 27, 2026501-1,000592 contacts →

Exact match

“Moore Australia is a network of five independent accounting, audit and advisory firms with 13 offices and 600+ staff across Australia.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchTel Aviv, IsraelHQ recorded Sep 27, 20261,001-5,000574 contacts →

Exact match

“BDO Israel is a dynamic and business oriented accounting and consulting firm, ranking amongst the five leading industry firms in Israel and part of the international network BDO.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 2026201-500558 contacts →

Exact match

“Bennett Thrasher provides proven guidance for financial confidence through premier tax, audit, advisory, and outsourcing solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchSão Paulo, BrazilHQ recorded Sep 27, 2026201-500440 contacts →

Exact match

“A PP & C Auditores Independentes é uma firma de auditores e especialistas nas áreas de impostos e consultoria empresarial.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchParis, FranceHQ recorded Sep 27, 2026201-500436 contacts →

Exact match

“Nexia S&A, acteur de l’audit et du conseil, apporte des solutions pertinentes à ses clients dans les domaines comptables et financiers et les accompagne pour les mettre en œuvre.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchOmaha, NE, United StatesHQ recorded Sep 27, 2026201-500435 contacts →

Exact match

“Founded in 1980 as a tech-forward accounting practice, Lutz has grown into Nebraska’s largest locally owned business solutions firm.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchRoeselare, BelgiumHQ recorded Sep 27, 2026201-500384 contacts →

Exact match

“Titeca is not a traditional accounting firm.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchMumbai, IndiaHQ recorded Sep 27, 2026201-500343 contacts →

Exact match

“Chaturvedi and Shah LLP is a Mumbai-based professional services firm with over five decades of experience in audit and assurance, established in 1967.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchAalborg, DenmarkHQ recorded Sep 27, 2026201-500331 contacts →

Exact match

“Som en af Danmarks største rådgivnings- og revisionsvirksomheder sætter vi et bedre og bredere aftryk som ejerlederens rette rådgiver.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchMexicoHQ recorded Sep 27, 2026201-500322 contacts →

Exact match

“Bienvenidos a Kreston BSG."Knowing you" Somos una firma de consultoría multidisciplinaria que brinda soluciones integrales mediante la sinergia de un equipo de expertos en el área…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchVancouver, BC, CanadaHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
25Exact matchSao Paulo, BrazilHQ recorded Sep 27, 2026201-500300 contacts →

Exact match

“Somos uma firma internacional com um time especializado em desenvolver soluções para os desafios enfrentados por médias empresas e grandes grupos empresariais, oferecendo soluções…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 15,810 accounting firm merger integration consultants worldwide

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Accounting firm merger integration consultants worldwide at a glance

As of Sep 27, 2026
35.3%Verified-email coverage
18.1Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · Sao Paulo
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
8,512
11-50
5,465
51-200
1,320
201-500
272
501-1,000
59
1,001-5,000
86
5,001-10,000
10
10001+
17

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for accounting firm merger integration consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “accounting firm merger integration consultants” 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. 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 100,859 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 27, 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.

Accounting firm merger integration consultants by location

74 lists · largest first

Every Accounting firm merger integration consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “accounting firm merger integration consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting firm merger integration consultants are there worldwide?

RevenueBase identified 15,810 company matches for accounting firm merger integration consultants worldwide 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 country has the most accounting firm merger integration consultants?

The United States leads with 3,639 companies, followed by Brazil (2,227) and France (1,168). Every accounting firm merger integration consultants list by country and city is linked on this page.

Which city has the most accounting firm merger integration consultants?

Sao Paulo leads with 491 company records, followed by Paris (271) and London (136).

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 100,859 professional contacts with verified work emails tracked across these 15,810 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 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 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.