Company lists · Data refreshed September 2026
Top 23 IT consultancies based in Paris, France
RevenueBase identified 3,147 IT consultancies headquartered in Paris, France as of September 2026 and tracks 125,376 professional contacts across them, including 53,391 with verified work emails. Paris is the largest hub.
This list covers IT consultancies headquartered in Paris, 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 26, 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 23 largest IT consultancies based in Paris, France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 36,960 contacts → | ||||
Indirect 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 26, 2026Thanks. The Data Team will review it. | |||||
| 2 | 16,032 contacts → | ||||
Indirect evidence “Capgemini Invent is the digital innovation, consulting and transformation brand of the Capgemini Group, a global business line that combines market leading expertise in strategy…” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 26, 2026Thanks. The Data Team will review it. | |||||
| 4 | 3,513 contacts → | ||||
Indirect evidence “Depuis 25 ans, Onepoint accompagne les grandes transformations des entreprises et des acteurs publics.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 5 | 3,155 contacts → | ||||
Indirect evidence “Founded in France, Talan has grown into an international group that supports our clients in their end-to-end Data & AI transformation by combining management consulting with…” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 6 | 2,890 contacts → | ||||
Indirect evidence “Sia is an next-generation global consulting group in strategy, artificial intelligence and management.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 7 | 2,016 contacts → | ||||
Indirect evidence “Artefact is a global consulting and engineering firm specializing in data and AI services, headquartered in Paris, and a leader in Europe.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 8 | 1,614 contacts → | ||||
Indirect evidence “Accenture est une entreprise internationale de conseil en management, technologies et externalisation.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 9 | 1,577 contacts → | ||||
Indirect evidence “In a world that too often follows currents, Abylsen has been opening itself up to new directions.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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 26, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1,240 contacts → | ||||
Indirect evidence “Néosoft est un groupe indépendant de conseil en transformation digitale de 1800 collaborateurs réunis en communautés d’experts : Conseil & Agilité, Cybersécurité, Data, DevOps…” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 12 | 1,051 contacts → | ||||
Indirect evidence “TGS Soregor brings specialists together from seven different areas of expertise in order to offer a comprehensive solution for businesses.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 13 | 807 contacts → | ||||
Indirect evidence “OCTO Technology est un cabinet de conseil spécialisé dans les nouvelles technologies et les enjeux de la transformation digitale.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 14 | 803 contacts → | ||||
Indirect evidence “Synchrone apporte son expertise en Consulting, Data Expertise et Digital Experience à ses clients grands comptes.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 15 | 549 contacts → | ||||
Indirect 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 26, 2026Thanks. The Data Team will review it. | |||||
| 16 | 510 contacts → | ||||
Indirect evidence “USING OUR COLLECTIVE ENERGY FOR POSITIVE TECHNOLOGY Ippon is a consulting and expertise firm, who is convinced that technology is a source of progress for society.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 17 | 490 contacts → | ||||
Indirect evidence “ITG is the leading company for employer of record services.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 18 | 461 contacts → | ||||
Indirect evidence “Créée en 1997, Proxiad est une société de Conseil et d'Expertise dans les nouvelles technologies et les systèmes d'information.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 19 | 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 26, 2026Thanks. The Data Team will review it. | |||||
| 20 | 430 contacts → | ||||
Partial evidence “Zenika is an IT consulting firm with 550 employees that helps companies with their digital transformation.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 21 | 413 contacts → | ||||
Indirect evidence “Créé en 1998, Wevioo est un groupe international de conseil et de services numériques qui accompagne ses clients dans leurs défis d’innovation, de transformation et de performance…” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 22 | 395 contacts → | ||||
Partial evidence “Objectware Group is an IT Services Company (or ESN: Entreprise de Services du Numérique), founded in and dedicated to consulting and IT system engineering.” Source: RevenueBase Database · checked Sep 26, 2026Thanks. The Data Team will review it. | |||||
| 23 | 394 contacts → | ||||
Indirect evidence “Ataway is a global consulting company supporting organizations across industries, with over 25 years of experience and presence in more than 23 countries.” Source: RevenueBase Database · checked Sep 26, 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: IT consultancies. 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 IT consultancies.
- Partial evidence
- Its own public description names part of IT consultancies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT consultancies. 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 23 of 3,147 IT consultancies based in Paris, France
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IT consultancies based in Paris, France at a glance
As of Sep 26, 2026Companies by employee count
Email recency for this list is measured across the whole France list rather than for Paris, so it is reported there. Company counts and contact totals on this page are exact for Paris, over 3,147 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 IT consultancies, 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 Paris, France whose own description of what they do matches “IT consultancies”. 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 IT consultancies), 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 IT consultancies, and records with no verified work email. Companies headquartered outside Paris 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, 53,391 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 26, 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.
IT consultancies by metro in France
- IT consultancies in Paris3147
- IT consultancies in Lyon409
- IT consultancies in Toulouse194
- IT consultancies in Nantes145
- IT consultancies in Bordeaux140
- IT consultancies in Marseille120
- IT consultancies in Boulogne-Billancourt117
- IT consultancies in Lille116
- IT consultancies in Neuilly-Sur-Seine112
- IT consultancies in Montpellier91
- IT consultancies in Courbevoie88
- IT consultancies in Puteaux77
- IT consultancies in Strasbourg73
- IT consultancies in Rennes72
- IT consultancies in Levallois-Perret59
- IT consultancies in Boulogne Billancourt55
- IT consultancies in Versailles54
- IT consultancies in Nanterre53
- IT consultancies in Grenoble50
- IT consultancies in Nice45
- IT consultancies in Aix En Provence41
- IT consultancies in Issy-Les-Moulineaux40
- IT consultancies in Neuilly Sur Seine38
- IT consultancies in Villeurbanne37
- IT consultancies in Rueil-Malmaison36
- IT consultancies in Aix-En-Provence34
- IT consultancies in Angers34
- IT consultancies in Annecy31
- IT consultancies in Colombes29
- IT consultancies in Rouen29
- IT consultancies in Suresnes28
- IT consultancies in Tours28
- IT consultancies in Reims25
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 IT consultancies, 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 IT consultancies are there based in Paris, France?
RevenueBase identified 3,147 IT consultancies headquartered in Paris, 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 IT consultancies?
Paris leads with 3147 headquartered companies, followed by Lyon (409) and Toulouse (194).
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 53,391 verified decision-maker contacts tracked across these 3,147 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 26, 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.