Company lists · Data refreshed November 2026

Top 25 Merger integration advisory companies worldwide

RevenueBase identified 7,382 company matches for merger integration advisory companies worldwide as of November 2026 and tracks 59,945 professional contacts across them, including 19,166 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for merger integration advisory companies 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 November 6, 2026. Country and city lists for merger integration advisory companies 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 Nov 6, 2026 How this list was built
7,382Companies
59,945Contacts tracked
19,166Verified emails
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The 25 largest merger integration advisory companies worldwide

Ranked by team size
Top 25 of 7,382 company matches for merger integration advisory companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchPortlethen, United KingdomHQ recorded Nov 6, 202610001+4,355 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCarrollton, TX, United StatesHQ recorded Nov 6, 20265,001-10,000979 contacts →

Exact match

“On January 1, 2026, The Brandt Companies completed its merger with Southland Industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchValencia, SpainHQ recorded Nov 6, 2026n/a832 contacts →

Exact match

“En Wipro impulsamos el progreso.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchTampa, United StatesHQ recorded Nov 6, 2026201-500541 contacts →

Exact match

“Benchmark International is a global M&A firm that provides business owners with creative, value-maximizing solutions for growing and exiting their businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNew York, FL, United StatesHQ recorded Nov 6, 2026201-500451 contacts →

Exact match

“Solomon Partners is a leading investment bank – one of the first independent firms in the industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLouisville, KY, United StatesHQ recorded Nov 6, 202651-200424 contacts →

Exact match

“We are proud to announce that PowerScoppechio is now operating as TogetherWith.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500411 contacts →

Exact match

“Clearwater is an independent corporate finance house focused on unlocking the latent potential in every business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact match千代田区, JapanHQ recorded Nov 6, 20261,001-5,000334 contacts →

Exact match

“M & am & m&a m&a”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDallas, TX, United StatesHQ recorded Nov 6, 202651-200330 contacts →

Exact match

“Selling a business is one of the most important financial decisions you'll ever make.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBoston, MA, United StatesHQ recorded Nov 6, 2026201-500315 contacts →

Exact match

“WilliamsMarston is a national leader in complex accounting, tax, technology, transaction and valuation advisory services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261,001-5,000291 contacts →

Exact match

“As of October 2014, ParenteBeard merged with Baker Tilly.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchRichardson, GA, United StatesHQ recorded Nov 6, 2026201-500287 contacts →

Exact match

“Generational Equity has closed more deals in the middle market than any M&A firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHamburg, GermanyHQ recorded Nov 6, 202651-200264 contacts →

Exact match

“Carlsquare is a partner-led investment bank that supports companies and their shareholders to implement their strategic goals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202610001+262 contacts →

Exact match

“Born from Flex's Cloud and Power Infrastructure segment, Axiom will build the critical digital and electrical infrastructure that enables the world's most important technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMunich, GermanyHQ recorded Nov 6, 202651-200248 contacts →

Exact match

“Fortlane Partners is a leading European advisory firm specializing in strategy, M&A, and transformation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSão Paulo, BrazilHQ recorded Nov 6, 2026201-500236 contacts →

Exact match

“A igc partners é a assessoria de empresas líder em operações de venda total ou parcial e captação de recursos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPortland, OR, United StatesHQ recorded Nov 6, 2026201-500226 contacts →

Exact match

“PBS is now Apex Companies, LLC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchStockholm, SwedenHQ recorded Nov 6, 2026201-500224 contacts →

Exact match

“Vi vitaliserar företag genom förändring.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchChicago, CA, United StatesHQ recorded Nov 6, 202651-200214 contacts →

Exact match

“Livingstone is an international mid-market M&A and debt advisory firm with offices in Amsterdam, Beijing, Chicago, Düsseldorf, Frankfurt, Hamburg, London, Los Angeles, Madrid…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact match千代田区, JapanHQ recorded Nov 6, 2026501-1,000190 contacts →

Exact match

“M & am & a ai 7.220259”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchFortaleza, BrazilHQ recorded Nov 6, 202651-200177 contacts →

Exact match

“Em 2011, o encontro da tradição com a modernidade aconteceu.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGeneva, IsraelHQ recorded Nov 6, 2026201-500164 contacts →

Exact match

“Clairfield International is an independent, international corporate finance partnership that provides advisory services to clients across an array of industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 202651-200153 contacts →

Exact match

“You make decisions every day that impact the lives of many people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, NY, United KingdomHQ recorded Nov 6, 202651-200151 contacts →

Exact match

“GP Bullhound is a global technology advisory firm providing expert M&A and growth capital transaction support to the world’s leading innovators, with 100+ professionals and 11…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200150 contacts →

Exact match

“Opus Business Advisory Group is an independent advisory firm that assists clients to achieve their objectives, enhance value and attain the best possible results.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 7,382 merger integration advisory companies worldwide

See the full list, filter by size, metro and specialty, and access 19,166 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Merger integration advisory companies worldwide at a glance

As of Nov 6, 2026
32.0%Verified-email coverage
8.1Average contacts per company
1-10Median size (employees)
4.1%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
5,359
11-50
1,646
51-200
246
201-500
65
501-1,000
15
1,001-5,000
10
5,001-10,000
2
10001+
4

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 merger integration advisory companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “merger integration advisory 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. 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 19,166 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 November 6, 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.

Merger integration advisory companies by location

65 lists · largest first

Every Merger integration advisory companies 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 “merger integration advisory companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many merger integration advisory companies are there worldwide?

RevenueBase identified 7,382 company matches for merger integration advisory companies worldwide as of November 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?

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

Which country has the most merger integration advisory companies?

The United States leads with 2,060 companies, followed by the United Kingdom (459) and France (379). Every merger integration advisory companies list by country and city is linked on this page.

Which city has the most merger integration advisory companies?

London leads with 301 company records, followed by Paris (193) and New York (178).

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 19,166 professional contacts with verified work emails tracked across these 7,382 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 November 6, 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.