Company lists · Data refreshed November 2026

Top 25 Post-merger integration consultants worldwide

RevenueBase identified 626 company matches for post-merger integration consultants worldwide as of November 2026 and tracks 2,771 professional contacts across them, including 737 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for post-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 November 6, 2026. Country and city lists for post-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 Nov 6, 2026 How this list was built
626Companies
2,771Contacts tracked
737Verified emails
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The 25 largest post-merger integration consultants worldwide

Ranked by team size
Top 25 of 626 company matches for post-merger integration consultants 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 matchBothell, WA, United StatesHQ recorded Nov 6, 202611-50145 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-200132 contacts →

Exact match

“Consulting Firm focuse on corporate restructuring, strategic planning and pos-merger integration.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, GA, United StatesHQ recorded Nov 6, 2026201-500104 contacts →

Exact match

“Global PMI Partners is a specialist consulting firm supporting our listed company and private equity clients with their M&A integrations, divestments and operational…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSeoul, South KoreaHQ recorded Nov 6, 202611-5061 contacts →

Exact match

“PE),(M&A),(PMI),(Carve-out).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchParis, FranceHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Our mission: Provide our clients with operational consultancy and guidance to help them successfully achieve their high-stake transformation projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Wharton Business Consulting advises leaders on maximising value from their organisations, whether that be through post-merger integration, acquisition or transformation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchKey Biscayne, TX, United StatesHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“IPC delivers trajectory altering change to mid-market clients seeking rapid and sustainable performance improvement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-1029 contacts →

Exact match

“DD Consulting is a boutique consulting house specialising in M&A, integration and separation, taking all those skills into day-to-day business operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchIssaquah, WA, United StatesHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“As of January 1st, 2025, CORTAC Group was merged into MIGSO-PCUBED, the world’s leading consultancy dedicated to project, program, portfolio, and change management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchUnited StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“The independent reincarnation of Janders Dean.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLa Varenne Saint-hilaire, FranceHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Le cabinet LARES Conseil est né du rapprochement entre les cabinets COFREC et CNA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMequon, WI, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Answerport is a highly-skilled team of Management and Technology Consultants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWestlake, OH, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“We are integration consultants hired to lead pilot programs, new initiatives and full implementations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Gotara helps small and mid-market companies to scale profitably by guiding them through their M&A integration and/or transformation execution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMorris County, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Crothers HR Consulting is a WBE Certified Women-Owned Business focused on the unique experience of starting or acquiring businesses, from an HR perspective.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Ensunet Technology Group – Your M&A diligence and transaction lifecycle integration and optimization technology experts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Sellcom Group Spain nace de la fusión de tres compañías con reconocida trayectoria en el mercado español y bajo la cobertura internacional del Grupo Sellcom, grupo empresarial de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLausanne, SwitzerlandHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Heytalent & Sonrysa Unissent Leurs Forces!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAtlanta, CO, United StatesHQ recorded Nov 6, 20261-1016 contacts →

Exact match

“Most M&A fails: the vast majority of acquisitions miss their revenue targets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAngleur, BelgiumHQ recorded Nov 6, 20261-1016 contacts →

Exact match

“Vendre ou acheter une entreprise?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202611-5015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“The MSP M&A market is always moving fast.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchJersey City, United StatesHQ recorded Nov 6, 202651-20013 contacts →

Exact match

“We merged with Catalyst Development Ltd in April 2019 to form Sionic, a global specialist consulting firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“No one should question that success in M&A is about making the optimal deal.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchFairfax, VA, United StatesHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“Arena provides a full spectrum of strategic planning, corporate development, M&A due diligence, post-merger integration, and operational improvement consulting services to…”

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

Showing 25 of 626 post-merger integration consultants worldwide

See the full list, filter by size, metro and specialty, and access 737 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Post-merger integration consultants worldwide at a glance

As of Nov 6, 2026
26.6%Verified-email coverage
4.4Average contacts per company
1-10Median size (employees)
3.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
490
11-50
116
51-200
16
201-500
2
501-1,000
1

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 post-merger integration consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “post-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 737 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.

Post-merger integration consultants by location

5 lists · largest first

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

Countries

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

How many post-merger integration consultants are there worldwide?

RevenueBase identified 626 company matches for post-merger integration consultants 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?

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

Which country has the most post-merger integration consultants?

The United States leads with 189 companies, followed by the United Kingdom (45) and France (36). Every post-merger integration consultants list by country and city is linked on this page.

Which city has the most post-merger integration consultants?

London leads with 22 company records, followed by Paris (18) and Sao Paulo (12).

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 737 professional contacts with verified work emails tracked across these 626 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.