Company lists · Data refreshed September 2026
Top 25 Merger integration advisors based in France
RevenueBase identified 1,628 merger integration advisors headquartered in France as of September 2026 and tracks 18,711 professional contacts across them, including 8,269 with verified work emails. Paris is the largest hub.
This list covers merger integration advisors 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.
The 25 largest merger integration advisors based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,190 contacts → | ||||
Indirect evidence “Wavestone is a leading consulting firm operating at the intersection of business and technology.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 719 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 551 contacts → | ||||
Indirect evidence “julhiet sterwen is a key player in management, human resources and operational consulting.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 458 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 321 contacts → | ||||
Indirect evidence “Colombus Consulting is a management consulting firm specialized in business change and complex project management.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 313 contacts → | ||||
Indirect evidence “Magellan Consulting devient Magellan!” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 203 contacts → | ||||
Indirect 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, 2026Thanks. The Data Team will review it. | |||||
| 8 | 188 contacts → | ||||
Partial 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, 2026Thanks. The Data Team will review it. | |||||
| 9 | 142 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 141 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, 2026Thanks. The Data Team will review it. | |||||
| 11 | 132 contacts → | ||||
Indirect evidence “Rhapsodies Conseil est un cabinet de conseil reconnu pour son indépendance.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 109 contacts → | ||||
Indirect evidence “M&A boutique specializing in mid-cap transactions with a unique expertise in growth companies.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 101 contacts → | ||||
Indirect evidence “Investance est un cabinet de conseil en organisation dédié aux évolutions de la Banque-Finance-Assurance.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 101 contacts → | ||||
Indirect evidence “A specialist in SMEs and mid-sized companies since 1928, Financière de Courcelles advises businesses and their shareholders on M&A transactions and financing solutions, in France…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 97 contacts → | ||||
Indirect evidence “Support organizations in the mastery and success of their transformations.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 95 contacts → | ||||
Indirect evidence “AGENT SECRET enables companies redefine their organizational strategy, adapt their structure and processes.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 94 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, 2026Thanks. The Data Team will review it. | |||||
| 18 | 87 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, 2026Thanks. The Data Team will review it. | |||||
| 19 | 86 contacts → | ||||
Indirect evidence “ADVENTS est un cabinet en management des organisations.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 85 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, 2026Thanks. The Data Team will review it. | |||||
| 21 | 81 contacts → | ||||
Indirect evidence “Amala Partners est une société de conseil en fusions-acquisitions indépendante.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 76 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, 2026Thanks. The Data Team will review it. | |||||
| 23 | 75 contacts → | ||||
Indirect 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, 2026Thanks. The Data Team will review it. | |||||
| 24 | 66 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, 2026Thanks. The Data Team will review it. | |||||
| 25 | 66 contacts → | ||||
Indirect evidence “Management Consultants | Business Transformers | Efficiency driven.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: merger integration advisors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names merger integration advisors.
- Partial evidence
- Its own public description names part of merger integration advisors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name merger integration advisors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,628 merger integration advisors based in France
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Merger integration advisors based in France at a glance
As of Sep 20, 2026Companies by employee count
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 1,628 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 integration advisors, 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 integration advisors”. 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 integration advisors), 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 integration advisors, 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, 8,269 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 integration advisors by metro
- Merger integration advisors in Paris544
- Merger integration advisors in Lyon49
- Merger integration advisors in Bordeaux26
- Merger integration advisors in Toulouse26
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 integration advisors, 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 integration advisors are there based in France?
RevenueBase identified 1,628 merger integration advisors 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 integration advisors?
Paris leads with 544 headquartered companies, followed by Lyon (49) and Bordeaux (26).
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 8,269 verified decision-maker contacts tracked across these 1,628 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.
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