Company lists · Data refreshed September 2026

Top 23 Big consulting firms based in France

RevenueBase identified 1,799 big consulting firms headquartered in France as of September 2026 and tracks 39,531 professional contacts across them, including 15,031 with verified work emails. Paris is the largest hub.

This list covers big consulting firms 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 21, 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 21, 2026 86% judged on-target in blind review
1,799Companies
39,531Contacts tracked
15,031Verified emails
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The 23 largest big consulting firms based in France

Ranked by team size
Top 23 of 1,799 big consulting firms based in France, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to big consulting firms: 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
1Partial evidence100-101 Terrasse Boieldieu, FranceHQ checked Sep 21, 20261,001-5,0006,190 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceSaint-ouen, FranceHQ checked Sep 21, 202610001+2,169 contacts →

Indirect evidence

“Gfi became Inetum in 2020.”

Source: RevenueBase Database · checked Sep 21, 2026
3Partial evidenceBoulogne-billancourt, FranceHQ checked Sep 21, 20261,001-5,0001,848 contacts →

Partial evidence

“Founded in 2005, Davidson consulting is positioned as an actor in management consulting and technology expertise.”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceNeuilly-sur-seine, FranceHQ checked Sep 21, 20261,001-5,0001,735 contacts →

Indirect evidence

“Infotel accompagne les directions Informatiques et Métiers des grandes entreprises depuis 45 ans (Airbus, Air France, PSA, BNP Paribas, Banque de France ou encore BPCE, etc.).”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceParis, FranceHQ checked Sep 21, 202610001+1,614 contacts →

Indirect evidence

“Accenture est une entreprise internationale de conseil en management, technologies et externalisation.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceSaint-doulchard, FranceHQ checked Sep 21, 20261,001-5,0001,051 contacts →

Indirect evidence

“Une vision augmentée du conseil au service de votre réussite.”

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceParis, FranceHQ checked Sep 21, 20261,001-5,000803 contacts →

Partial evidence

“Synchrone apporte son expertise en Consulting, Data Expertise et Digital Experience à ses clients grands comptes.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceParis, FranceHQ checked Sep 21, 2026501-1,000765 contacts →

Indirect evidence

“Ensemble, changeons la donne.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceNeuilly Sur Seine, FranceHQ checked Sep 21, 2026501-1,000719 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 21, 2026
10Partial evidenceNeuilly Sur Seine, FranceHQ checked Sep 21, 2026501-1,000551 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceEnnevelin, FranceHQ checked Sep 21, 2026501-1,000528 contacts →

Indirect evidence

“La vision du groupe norsys : développer une performance globale de l’entreprise.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceLyon, FranceHQ checked Sep 21, 2026501-1,000502 contacts →

Indirect evidence

“Depuis plus de 40 ans, nos équipes de spécialistes accompagnent nos clients de petites, moyennes et grandes entreprises, dans le pilotage de leurs organisations, la gestion des…”

Source: RevenueBase Database · checked Sep 21, 2026
13Partial evidenceParis, FranceHQ checked Sep 21, 2026201-500321 contacts →

Partial evidence

“Colombus Consulting is a management consulting firm specialized in business change and complex project management.”

Source: RevenueBase Database · checked Sep 21, 2026
14Partial evidenceParis, FranceHQ checked Sep 21, 2026201-500313 contacts →

Partial evidence

“Magellan Consulting devient Magellan!”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceParis, FranceHQ checked Sep 21, 202651-200241 contacts →

Indirect evidence

“Fondé en 2019 par des associés de grands cabinets de conseil, Exiom Partners est un cabinet spécialisé dans les Services Financiers pensé pour proposer un modèle de management…”

Source: RevenueBase Database · checked Sep 21, 2026
16Partial evidenceParis, FranceHQ checked Sep 21, 2026201-500226 contacts →

Partial evidence

“Ailancy is a top-specialist and fast-growing management-consulting firm specialized in the financial services industry and headquartered in Paris.”

Source: RevenueBase Database · checked Sep 21, 2026
17Partial evidenceParis, FranceHQ checked Sep 21, 2026201-500223 contacts →

Partial evidence

“Semaphores, a consulting and expertise firm, is involved in a very wide range of skills: from public accounting to organizational strategy projects, including organization…”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceParis, FranceHQ checked Sep 21, 202651-200214 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceParis, FranceHQ checked Sep 21, 2026201-500212 contacts →

Indirect evidence

“NEXIALOG est un cabinet de conseil en management spécialisé dans le domaine financier.”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceLevallois Perret, FranceHQ checked Sep 21, 2026201-500203 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 21, 2026
21Indirect evidenceNeuilly-sur-seine, FranceHQ checked Sep 21, 2026501-1,000193 contacts →

Indirect evidence

“About us?”

Source: RevenueBase Database · checked Sep 21, 2026
22Partial evidenceParis - Lyon - Bruxelles - Hambourg, FranceHQ checked Sep 21, 202651-200188 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 21, 2026
23Partial evidenceParis, FranceHQ checked Sep 21, 202651-200185 contacts →

Partial evidence

“A2 Consulting est un cabinet de conseil en organisation et management multi-spécialiste et totalement indépendant créé en A2 Consulting s'engage auprès des entreprises pour…”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 23 of 1,799 big consulting firms based in France

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Big consulting firms based in France at a glance

As of Sep 21, 2026
38.0%Verified-email coverage
22.0Average contacts per company
1-10Median size (employees)
32.1%Largest-city concentration · Paris
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
1,368
11-50
253
51-200
95
201-500
23
501-1,000
11
1,001-5,000
15
5,001-10,000
5
10001+
6

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 1,799 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 big consulting firms, 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 “big consulting firms”. 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 big consulting firms), 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 big consulting firms, 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, 15,031 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 21, 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.

Big consulting firms by metro

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 big consulting firms, 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 big consulting firms are there based in France?

RevenueBase identified 1,799 big consulting firms 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 big consulting firms?

Paris leads with 577 headquartered companies, followed by Lyon (47) and Toulouse (28).

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 15,031 verified decision-maker contacts tracked across these 1,799 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 21, 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.