Company lists · Data refreshed September 2026

Top 25 Global IT consulting firms based in France

Name: Global IT consulting firms based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 2,157 companies tracked

RevenueBase identified 2,157 global IT consulting firms headquartered in France as of September 2026 and tracks 134,526 professional contacts across them, including 46,311 with verified work emails and 3,777 with mobile numbers. Paris is the largest hub.

This list covers global IT 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 30, 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 30, 2026 86% judged on-target in blind review

2,157Companies

134,526Contacts tracked

46,311Verified emails

3,777Mobile numbers

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The 25 largest global IT consulting firms based in France

Ranked by team size

Top 25 of 2,157 global IT consulting firms based in France, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to global IT 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Sopra Steria	Partial evidence	Paris, FranceHQ checked Sep 30, 2026	10001+	36,960 contacts →
	Partial evidence “Sopra Steria, a major Tech player in Europe with employees in nearly 30 countries, is recognised for its consulting, digital services and solutions.” Source: RevenueBase Database · checked Sep 30, 2026
2	ALTEN	Indirect evidence	Boulogne-billancourt Cedex, FranceHQ checked Sep 30, 2026	10001+	17,044 contacts →
	Indirect evidence “ALTEN is committed to meeting the expectations of its stakeholders and anticipating their requirements in the fields of innovation, R&D, and technological information systems.” Source: RevenueBase Database · checked Sep 30, 2026
3	Wavestone	Partial evidence	100-101 Terrasse Boieldieu, FranceHQ checked Sep 30, 2026	1,001-5,000	6,190 contacts →
	Partial evidence “Wavestone is a leading consulting firm operating at the intersection of business and technology.” Source: RevenueBase Database · checked Sep 30, 2026
4	Groupe SII	Indirect evidence	Paris, FranceHQ checked Sep 30, 2026	10001+	4,928 contacts →
	Indirect evidence “Le groupe SII est une société d’ingénierie et de conseil en technologies (ICT) et une entreprise de services numériques (ESN) créée en 1979 par Bernard HUVÉ, ingénieur de…” Source: RevenueBase Database · checked Sep 30, 2026
5	Onepoint	Indirect evidence	Paris, FranceHQ checked Sep 30, 2026	1,001-5,000	3,513 contacts →
	Indirect evidence “Depuis 25 ans, Onepoint accompagne les grandes transformations des entreprises et des acteurs publics.” Source: RevenueBase Database · checked Sep 30, 2026
6	SIA	Strong evidence	Paris, FranceHQ checked Sep 30, 2026	1,001-5,000	2,890 contacts →
	Strong evidence “Sia is an next-generation global consulting group in strategy, artificial intelligence and management.” Source: RevenueBase Database · checked Sep 30, 2026
7	GFI World	Indirect evidence	Saint-ouen, FranceHQ checked Sep 30, 2026	10001+	2,169 contacts →
	Indirect evidence “Gfi became Inetum in 2020.” Source: RevenueBase Database · checked Sep 30, 2026
8	Experis France	Partial evidence	Nantes, FranceHQ checked Sep 30, 2026	1,001-5,000	2,167 contacts →
	Partial evidence “Experis accompagne les DSI dans leurs projets de transformation digitale en déployant des solutions innovantes en matière de Services et de Talent IT afin de répondre aux besoins…” Source: RevenueBase Database · checked Sep 30, 2026
9	VISEO	Strong evidence	Boulogne-billancourt, FranceHQ checked Sep 30, 2026	1,001-5,000	1,989 contacts →
	Strong evidence “VISEO is a global digital and business consulting company that assists its clients with their transformation journeys using advanced technology and industry expertise.” Source: RevenueBase Database · checked Sep 30, 2026
10	Keyrus	Indirect evidence	Levallois-perret, FranceHQ checked Sep 30, 2026	1,001-5,000	1,964 contacts →
	Indirect evidence “At Keyrus, we help organizations move from experimental AI to industrialized AI, from isolated agents to orchestrated systems, and from insight to execution.” Source: RevenueBase Database · checked Sep 30, 2026
11	Davidson Consulting	Partial evidence	Boulogne-billancourt, FranceHQ checked Sep 30, 2026	1,001-5,000	1,848 contacts →
	Partial evidence “Founded in 2005, Davidson consulting is positioned as an actor in management consulting and technology expertise.” Source: RevenueBase Database · checked Sep 30, 2026
12	Infotel	Indirect evidence	Neuilly-sur-seine, FranceHQ checked Sep 30, 2026	1,001-5,000	1,735 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 30, 2026
13	Accenture France	Indirect evidence	Paris, FranceHQ checked Sep 30, 2026	10001+	1,614 contacts →
	Indirect evidence “Accenture est une entreprise internationale de conseil en management, technologies et externalisation.” Source: RevenueBase Database · checked Sep 30, 2026
14	Prodware	Indirect evidence	Paris, FranceHQ checked Sep 30, 2026	1,001-5,000	1,394 contacts →
	Indirect evidence “At Prodware, we believe that Trust, Audacity, and Passion are the driving forces behind meaningful digital transformation.” Source: RevenueBase Database · checked Sep 30, 2026
15	Hardis Group	Strong evidence	Seyssinet-pariset, FranceHQ checked Sep 30, 2026	1,001-5,000	1,132 contacts →
	Strong evidence “Hardis Group is a consulting and IT services company, a Salesforce pure player through its subsidiary Cloudity, and the vendor of the Reflex logistics software suite.” Source: RevenueBase Database · checked Sep 30, 2026
16	T&s Technology & Strategy	Indirect evidence	Schiltigheim, FranceHQ checked Sep 30, 2026	1,001-5,000	922 contacts →
	Indirect evidence “Fondée en 2008, T&S est une entreprise spécialisée dans l'ingénierie, le digital et le conseil.” Source: RevenueBase Database · checked Sep 30, 2026
17	Synchrone FR	Partial evidence	Paris, FranceHQ checked Sep 30, 2026	1,001-5,000	803 contacts →
	Partial evidence “Synchrone apporte son expertise en Consulting, Data Expertise et Digital Experience à ses clients grands comptes.” Source: RevenueBase Database · checked Sep 30, 2026
18	Micropole	Strong evidence	Levallois-perret, FranceHQ checked Sep 30, 2026	1,001-5,000	795 contacts →
	Strong evidence “An international consulting group specialized in corporate transformation through Data, MICROPOLE partners its clients through a global approach: ‘Data Driven‘ Strategy, Cloud…” Source: RevenueBase Database · checked Sep 30, 2026
19	Softeam	Partial evidence	Courbevoie, FranceHQ checked Sep 30, 2026	1,001-5,000	705 contacts →
	Partial evidence “Softeam is the Consulting and Services brand of Docaposte.” Source: RevenueBase Database · checked Sep 30, 2026
20	Coexya	Partial evidence	Saint-didier-au-mont-d'or, FranceHQ checked Sep 30, 2026	501-1,000	668 contacts →
	Partial evidence “Coexya has been an independent entity since October 1st 2020 when it was acquired by the operational management team with the support of the European private equity group Argos…” Source: RevenueBase Database · checked Sep 30, 2026
21	Focus Corporation	Partial evidence	Europe France, FranceHQ checked Sep 30, 2026	201-500	648 contacts →
	Partial evidence “Focus is an international group specializing in Software development and IT services.” Source: RevenueBase Database · checked Sep 30, 2026
22	Exakis Nelite	Indirect evidence	Bidart, FranceHQ checked Sep 30, 2026	501-1,000	621 contacts →
	Indirect evidence “Exakis Nelite devient Magellan!” Source: RevenueBase Database · checked Sep 30, 2026
23	TNP Consultants	Partial evidence	Levallois-perret, FranceHQ checked Sep 30, 2026	501-1,000	602 contacts →
	Partial evidence “Created in 2007, TNP is an independent French consulting firm specializing in operational, regulatory and digital transformations.” Source: RevenueBase Database · checked Sep 30, 2026
24	Klanik	Strong evidence	Marseille, FranceHQ checked Sep 30, 2026	501-1,000	585 contacts →
	Strong evidence “KLANIK is a consulting company specialized in IT Engineering which accompanies its partners in their digital and technological projects.” Source: RevenueBase Database · checked Sep 30, 2026
25	Meritis	Partial evidence	Paris, FranceHQ checked Sep 30, 2026	501-1,000	549 contacts →
	Partial evidence “Meritis is a consulting firm specializing in the digital transformation of organizations, co-founded in 2007 by Sébastien Videment.” Source: RevenueBase Database · checked Sep 30, 2026

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: global IT consulting firms. 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 global IT consulting firms.
Partial evidence: Its own public description names part of global IT consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name global IT consulting firms. 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 2,157 global IT consulting firms based in France

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Global IT consulting firms based in France at a glance

As of Sep 30, 2026

34.4%Verified-email coverage

2.8%Mobile-number coverage

62.4Average contacts per company

1-10Median size (employees)

30.1%Largest-city concentration · Paris

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

1,235

11-50

565

51-200

221

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 32.0d

13,4180–30

31,02331–60

1,24661–90

1490–180

675180+

Company record updated

Median 85.0d

00–30

31,16731–60

44,70561–90

51,40990–180

7,320180+

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 global IT 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 “global IT 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 global IT 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 global IT 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, 46,311 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 30, 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.

Global IT 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 global IT 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 global IT consulting firms are there based in France?

RevenueBase identified 2,157 global IT 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?

Sopra Steria, headquartered in Paris, tops this list with the largest team on record.

Which city has the most global IT consulting firms?

Paris leads with 649 headquartered companies, followed by Lyon (81) and Toulouse (38).

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 46,311 verified decision-maker contacts tracked across these 2,157 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 30, 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.