Company lists · Data refreshed September 2026

Top 25 Merger and acquisition integration consultants based in France

RevenueBase identified 880 merger and acquisition integration consultants headquartered in France as of September 2026 and tracks 16,152 professional contacts across them, including 7,590 with verified work emails. Paris is the largest hub.

This list covers merger and acquisition integration consultants headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
880Companies
16,152Contacts tracked
7,590Verified emails
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The 25 largest merger and acquisition integration consultants based in France

Ranked by team size
Top 25 of 880 merger and acquisition integration consultants based in France, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to merger and acquisition integration consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidence100-101 Terrasse Boieldieu, FranceHQ checked Sep 20, 20261,001-5,0006,190 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceNeuilly Sur Seine, FranceHQ checked Sep 20, 2026501-1,000551 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceParis, FranceHQ checked Sep 20, 2026201-500468 contacts →

Indirect evidence

“READY FOR NEXT - Depuis 50 ans.”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceNeuilly-sur-seine, FranceHQ checked Sep 20, 2026501-1,000364 contacts →

Indirect evidence

“ACT-ON GROUP is the leading player in #HumanTech.”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceParis, FranceHQ checked Sep 20, 2026201-500313 contacts →

Indirect evidence

“Magellan Consulting devient Magellan!”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceParis, FranceHQ checked Sep 20, 2026201-500230 contacts →

Indirect evidence

“ConvictionsRH is a consulting firm specializing in HR, HRIS & Transformation.”

Source: RevenueBase Database · checked Sep 20, 2026
7Partial evidenceLevallois Perret, FranceHQ checked Sep 20, 2026201-500203 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
8Strong evidenceParis - Lyon - Bruxelles - Hambourg, FranceHQ checked Sep 20, 202651-200188 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceParis, FranceHQ checked Sep 20, 2026201-500178 contacts →

Indirect evidence

“Wemanity Reply is a consulting and delivery firm specialized in technological, organizational, and cultural transformation.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceParis, FranceHQ checked Sep 20, 2026501-1,000143 contacts →

Indirect evidence

“Silamir est un cabinet de conseil spécialisé dans le pilotage de projets de transformation délivrant des prestations de haute qualité pour le compte de clients grands groupes.”

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceNeuilly-sur-seine, FranceHQ checked Sep 20, 202611-50141 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceParis, FranceHQ checked Sep 20, 202651-200132 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceNantes, FranceHQ checked Sep 20, 202651-20097 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
14Indirect evidenceParis, FranceHQ checked Sep 20, 2026n/a95 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceParis, FranceHQ checked Sep 20, 202611-5094 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceParis, FranceHQ checked Sep 20, 202651-20087 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceParis, FranceHQ checked Sep 20, 202651-20086 contacts →

Indirect evidence

“ADVENTS est un cabinet en management des organisations.”

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceParis, FranceHQ checked Sep 20, 202611-5085 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
19Partial evidenceParis, FranceHQ checked Sep 20, 202611-5081 contacts →

Partial evidence

“Amala Partners est une société de conseil en fusions-acquisitions indépendante.”

Source: RevenueBase Database · checked Sep 20, 2026
20Partial evidenceParis, FranceHQ checked Sep 20, 202611-5076 contacts →

Partial evidence

“ADVISO PARTNERS est une société de conseil financier indépendante spécialisée dans les opérations de fusion-acquisition, levée de fonds et ingénierie financière, dédiée au segment…”

Source: RevenueBase Database · checked Sep 20, 2026
21Partial evidenceParis, FranceHQ checked Sep 20, 2026201-50075 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidenceParis, FranceHQ checked Sep 20, 202611-5066 contacts →

Indirect evidence

“Founded at the beginning of 2013 in Paris, Archery Strategy Consulting addresses a wide range of high stakes topics for large Programs and large Contracts industries: strategic…”

Source: RevenueBase Database · checked Sep 20, 2026
23Partial evidenceParis, FranceHQ checked Sep 20, 202611-5066 contacts →

Partial evidence

“Management Consultants | Business Transformers | Efficiency driven.”

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceParis, FranceHQ checked Sep 20, 202651-20064 contacts →

Indirect evidence

“Obea est la rencontre fructueuse d’expertises en Ressources Humaines, Management, Digital et Communication, assemblées pour réussir vos transformations.”

Source: RevenueBase Database · checked Sep 20, 2026
25Partial evidenceParis, FranceHQ checked Sep 20, 202611-5059 contacts →

Partial evidence

“M&A Advisory Firm M&A buy-side: Company acquisitions - Guiding companies in external growth strategies - Guiding private persons in acquisition processes M&A sell-side: Disposal…”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 880 merger and acquisition integration consultants based in France

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Merger and acquisition integration consultants based in France at a glance

As of Sep 20, 2026
47.0%Verified-email coverage
18.4Average contacts per company
1-10Median size (employees)
39.7%Largest-city concentration · Paris
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
688
11-50
145
51-200
32
201-500
7
501-1,000
4
1,001-5,000
2
5,001-10,000
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 880 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among merger and acquisition integration consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in France whose own description of what they do matches “merger and acquisition integration consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names merger and acquisition integration consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among merger and acquisition integration consultants, and records with no verified work email. Companies headquartered outside France are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 7,590 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Merger and acquisition integration consultants by metro

  • Merger and acquisition integration consultants in Paris349

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names merger and acquisition integration consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many merger and acquisition integration consultants are there based in France?

RevenueBase identified 880 merger and acquisition integration consultants headquartered in France as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Wavestone, headquartered in La Defense, tops this list with the largest team on record.

Which city has the most merger and acquisition integration consultants?

Paris leads with 349 headquartered companies, followed by Lyon (24) and Bordeaux (18).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 7,590 verified decision-maker contacts tracked across these 880 companies.

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 Smart Search, 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.