Company lists · Data refreshed September 2026

Top 25 Merger integration consultants worldwide

Name: Merger integration consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 24,249 companies tracked

RevenueBase identified 24,249 company matches for merger integration consultants worldwide as of September 2026 and tracks 176,807 professional contacts across them, including 45,919 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for 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 20, 2026. Country and city lists for 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 20, 2026 How this list was built

24,249Companies

176,807Contacts tracked

45,919Verified emails

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The 25 largest merger integration consultants worldwide

Ranked by team size

Top 25 of 24,249 company matches for merger integration consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Wavestone	Exact match	100-101 Terrasse Boieldieu, FranceHQ recorded Sep 20, 2026	1,001-5,000	6,190 contacts →
	Exact match “Wavestone is a leading consulting firm operating at the intersection of business and technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Accenture Strategy & Consulting	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	5,001-10,000	5,514 contacts →
	Exact match “Accenture Strategy combines deep industry expertise, advanced analytics capabilities and human-led design methodologies that enable clients to act with speed and confidence.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	KCA Deutag	Exact match	Portlethen, United KingdomHQ recorded Sep 20, 2026	10001+	4,109 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Monitor Deloitte	Exact match	United StatesHQ recorded Sep 20, 2026	5,001-10,000	3,116 contacts →
	Exact match “To navigate the future with confidence, organizations need to make and act upon the right choices: clear, timely and inspirational choices that deliver growth in a dynamic…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Baringa	Exact match	London, United KingdomHQ recorded Sep 20, 2026	1,001-5,000	2,179 contacts →
	Exact match “Baringa is a global consulting firm that helps leaders drive meaningful change and create value.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	North Highland	Exact match	Atlanta, GA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,792 contacts →
	Exact match “North Highland helps businesses move from strategy to reality, taking a pragmatic and practical approach to build solutions that work and create impact that lasts.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Trace3	Exact match	Irvine, CA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,345 contacts →
	Exact match “Trace3 delivers business transformation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	W3global	Exact match	Frisco, TX, United StatesHQ recorded Sep 20, 2026	501-1,000	1,149 contacts →
	Exact match “W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Square Management	Exact match	Neuilly Sur Seine, FranceHQ recorded Sep 20, 2026	501-1,000	719 contacts →
	Exact match “Square Management est un cabinet de conseil spécialisé en stratégie et organisation qui accompagne ses clients dans l’anticipation, la conception et la réalisation de leurs…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Mobilecomm Professionals, INC	Exact match	Richardson, TX, United StatesHQ recorded Sep 20, 2026	501-1,000	706 contacts →
	Exact match “MobileComm is now fully integrated with UST.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	デロイトトーマツコンサルティング(合同)	Exact match	千代田区, JapanHQ recorded Sep 20, 2026	501-1,000	696 contacts →
	Exact match “is a management consulting company based out of, Japan.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Point B	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	501-1,000	656 contacts →
	Exact match “At Point B, we help organizations adapt and thrive in a world that refuses to stand still.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Julhiet Sterwen	Exact match	Neuilly Sur Seine, FranceHQ recorded Sep 20, 2026	501-1,000	551 contacts →
	Exact match “julhiet sterwen is a key player in management, human resources and operational consulting.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Oresys	Exact match	Paris, FranceHQ recorded Sep 20, 2026	201-500	458 contacts →
	Exact match “ORESYS, a major player in the management and organisation consultancy sector, works with corporate clients to support them in their change projects and improve their performance.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Synergy Group	Exact match	Canberra, AustraliaHQ recorded Sep 20, 2026	201-500	425 contacts →
	Exact match “Challengers at heart, we are pragmatic explorers seeking to uncover what could be, so it can be.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Sendero	Exact match	Dallas, TX, United StatesHQ recorded Sep 20, 2026	201-500	420 contacts →
	Exact match “Sendero is a management consulting firm that optimizes technology, improves operations, advances workforce productivity, and enhances customer experience-all to deliver tangible…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	The Power Agency	Exact match	Louisville, KY, United StatesHQ recorded Sep 20, 2026	51-200	420 contacts →
	Exact match “We are proud to announce that PowerScoppechio is now operating as TogetherWith.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	London Consulting Group	Exact match	London, United KingdomHQ recorded Sep 20, 2026	201-500	384 contacts →
	Exact match “At London Consulting Group, we work closely with your team to analyze your processes, develop and implement solutions that significantly optimize profitability and train your…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Tokio Marine Life Insurance Malaysia BHD	Exact match	Jalan Todak 5, MalaysiaHQ recorded Sep 20, 2026	201-500	376 contacts →
	Exact match “Tokio Marine Life Insurance Malaysia Bhd is a management consulting company based out of 11 Bangunan Tm Asia Life, Jalan Todak 5, Malaysia.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Clarkston Consulting	Exact match	Durham, NC, United StatesHQ recorded Sep 20, 2026	201-500	365 contacts →
	Exact match “Clarkston Consulting offers the full spectrum of strategy, operations, implementation, and managed services with a change-focused, data-driven approach for life sciences, consumer…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Tier1 Performance	Exact match	Covington, KY, United StatesHQ recorded Sep 20, 2026	201-500	341 contacts →
	Exact match “At TiER1 Performance, we partner with leaders to turn bold strategy into real impact-by aligning people, systems, and purpose.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Eagle Hill Consulting	Exact match	Arlington, VA, United StatesHQ recorded Sep 20, 2026	201-500	337 contacts →
	Exact match “Unconventional, woman-owned, and award-winning-at Eagle Hill, we break away from the expected and apply the best tools and methodologies of larger consultancies in the nimble…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Colombus Consulting	Exact match	Paris, FranceHQ recorded Sep 20, 2026	201-500	321 contacts →
	Exact match “Colombus Consulting is a management consulting firm specialized in business change and complex project management.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Optimus SBR	Exact match	Toronto, ON, CanadaHQ recorded Sep 20, 2026	201-500	320 contacts →
	Exact match “Optimus SBR is Canada’s largest independent management consulting firm.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Magellan Consulting	Exact match	Paris, FranceHQ recorded Sep 20, 2026	201-500	313 contacts →
	Exact match “Magellan Consulting devient Magellan!” Recorded in the RevenueBase company graph · Sep 20, 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 “merger integration consultants”. 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 24,249 merger integration consultants worldwide

See the full list, filter by size, metro and specialty, and access 45,919 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Merger integration consultants worldwide at a glance

As of Sep 20, 2026

26.0%Verified-email coverage

7.3Average contacts per company

1-10Median size (employees)

2.5%Largest-city concentration · London

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

18,751

11-50

4,237

51-200

859

201-500

195

501-1,000

1,001-5,000

5,001-10,000

10001+

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 consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “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 45,919 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 20, 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 consultants by location

94 lists · largest first

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

How many merger integration consultants are there worldwide?

RevenueBase identified 24,249 company matches for 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?

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

Which country has the most merger integration consultants?

The United States leads with 5,346 companies, followed by the United Kingdom (1,690) and France (1,572). Every merger integration consultants list by country and city is linked on this page.

Which city has the most merger integration consultants?

London leads with 604 company records, followed by Paris (496) and Sao Paulo (324).

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 45,919 professional contacts with verified work emails tracked across these 24,249 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 20, 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.