Company lists · Data refreshed September 2026

Top 25 Merger integration consulting firms based in France

RevenueBase identified 1,315 company matches for merger integration consulting firms associated with France as of September 2026 and tracks 19,869 professional contacts across them, including 9,647 with verified work emails. Paris is the largest hub.

This list covers company matches for merger integration consulting firms associated with France, 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 28, 2026.

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 28, 2026 How this list was built
1,315Companies
19,869Contacts tracked
9,647Verified emails
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The 25 largest merger integration consulting firms based in France

Ranked by team size
Top 25 of 1,315 company matches for merger integration consulting firms based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 match100-101 Terrasse Boieldieu, FranceHQ recorded Sep 28, 20261,001-5,0006,190 contacts →

Exact match

“Wavestone is a leading consulting firm operating at the intersection of business and technology.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchParis, FranceHQ recorded Sep 28, 2026501-1,000895 contacts →

Exact match

“Eight Advisory, Europe's leading independent advisory firm specialising in financial, operational and strategy consulting, is involved in transactions, restructuring and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchLyon, FranceHQ recorded Sep 28, 20261,001-5,000750 contacts →

Exact match

“Through innovation and digitalisation, Visiativ delivers smarter ways of working that help businesses become more agile, efficient and collaborative.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchNeuilly Sur Seine, FranceHQ recorded Sep 28, 2026501-1,000719 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 28, 2026 · View company records in RevenueBase
5Exact matchNeuilly Sur Seine, FranceHQ recorded Sep 28, 2026501-1,000551 contacts →

Exact match

“julhiet sterwen is a key player in management, human resources and operational consulting.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchParis, FranceHQ recorded Sep 28, 2026201-500458 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 28, 2026 · View company records in RevenueBase
7Exact matchParis, FranceHQ recorded Sep 28, 2026201-500321 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 28, 2026 · View company records in RevenueBase
8Exact matchParis, FranceHQ recorded Sep 28, 2026201-500313 contacts →

Exact match

“Magellan Consulting devient Magellan!”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchParis, FranceHQ recorded Sep 28, 202651-200214 contacts →

Exact match

“Vertone, engagés pour réussir Présents à Paris et désormais à Lyon!”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchLevallois Perret, FranceHQ recorded Sep 28, 2026201-500203 contacts →

Exact match

“Axys Consultants, acteur majeur du conseil en management, compte près de 200 consultants et un chiffre d'affaires de 25 millions d'€.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchParis - Lyon - Bruxelles - Hambourg, FranceHQ recorded Sep 28, 202651-200188 contacts →

Exact match

“Advolis, a Paris based firm that specialises in auditing and business consulting and Orfis, a Lyon firm that provides auditing, consultancy and corporate services, merged in April…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchFranceHQ recorded Sep 28, 202651-200142 contacts →

Exact match

“Orphoz, a McKinsey company, is an implementation leader with a proven track record for driving lasting impact and value from the ground-up, through rigorous project management…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchNeuilly-sur-seine, FranceHQ recorded Sep 28, 202611-50141 contacts →

Exact match

“PwC, leader du conseil et de l’audit, a finalisé avec succès son rapprochement avec IDRH, en novembre 2016.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchParis, FranceHQ recorded Sep 28, 202651-200132 contacts →

Exact match

“Rhapsodies Conseil est un cabinet de conseil reconnu pour son indépendance.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchParis, FranceHQ recorded Sep 28, 2026201-500101 contacts →

Exact match

“Investance est un cabinet de conseil en organisation dédié aux évolutions de la Banque-Finance-Assurance.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchNantes, FranceHQ recorded Sep 28, 202651-20097 contacts →

Exact match

“Support organizations in the mastery and success of their transformations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchParis, FranceHQ recorded Sep 28, 2026n/a95 contacts →

Exact match

“AGENT SECRET enables companies redefine their organizational strategy, adapt their structure and processes.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchParis, FranceHQ recorded Sep 28, 202611-5094 contacts →

Exact match

“Spécialiste du BtoB, WHY Consulting vous accompagne de la définition de votre stratégie de développement à son exécution, grâce à ses 3 pôles d'expertise - La performance…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchParis, FranceHQ recorded Sep 28, 202651-20092 contacts →

Exact match

“Stanwell is a consulting firm specialized in strategy and transformation for the Financial Services sector since its creation in 2006.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchParis, FranceHQ recorded Sep 28, 202651-20087 contacts →

Exact match

“Fincley consulting, créé en 2015, est un cabinet de conseil en stratégie, organisation et management spécialisé dans les services financiers.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchParis, FranceHQ recorded Sep 28, 202651-20086 contacts →

Exact match

“ADVENTS est un cabinet en management des organisations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchParis, FranceHQ recorded Sep 28, 202611-5085 contacts →

Exact match

“IMT Partners est un cabinet spécialisé dans le management de transition qui repose sur l’expertise de ses 50 collaborateurs.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchParis, FranceHQ recorded Sep 28, 202651-20083 contacts →

Exact match

“Since 2001, Axis alternatives advises and assists corporate and investment banks, asset managers, other financial institutions, and large corporates through management, studies…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchParis, FranceHQ recorded Sep 28, 2026201-50075 contacts →

Exact match

“Established in 2004, M&A Worldwide is one of the largest and top-performing global networks of M&A consultants in the world- 43 offices in 34 countries - 510 completed deals with…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchParis, FranceHQ recorded Sep 28, 2026201-50071 contacts →

Exact match

“Avec une dizaine d’années cumulées en cabinet de conseil, nous avons pour ambition de faciliter la relation entre les Consultants, les clients et le cabinet.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 1,315 merger integration consulting firms based in France

See the full list, filter by size, metro and specialty, and access 9,647 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Merger integration consulting firms based in France at a glance

As of Sep 28, 2026
48.6%Verified-email coverage
15.1Average contacts per company
1-10Median size (employees)
37.3%Largest-city concentration · Paris
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
1,037
11-50
205
51-200
51
201-500
9
501-1,000
5
1,001-5,000
3
5,001-10,000
2
10001+
2

Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 1,315 companies.

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.
What qualifies
Company records associated with France whose business descriptions match “merger integration consulting firms” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 9,647 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 28, 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.

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 consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many merger integration consulting firms are there based in France?

RevenueBase identified 1,315 company matches for merger integration consulting firms associated with France 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 city has the most merger integration consulting firms?

Paris leads with 491 company records, followed by Lyon (46) and Bordeaux (27).

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 9,647 professional contacts with verified work emails tracked across these 1,315 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 28, 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.