Company lists · Data refreshed September 2026
Top 25 IT professional services companies based in Paris, France
RevenueBase identified 596 IT professional services companies headquartered in Paris, France as of September 2026 and tracks 14,655 professional contacts across them, including 4,533 with verified work emails. Across France, Paris is the largest hub for this category.
This list covers IT professional services companies 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 27, 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 IT professional services companies based in Paris, France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 365 contacts → | ||||
Indirect evidence “Soft Computing est une société de conseil et de services spécialisée en Gestion de la Relation Client (CRM), Pilotage de la Performance (Business Intelligence) et e-Business.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 279 contacts → | ||||
Indirect evidence “Chez Cyllene, on couvre le spectre complet de votre besoin en termes de : Conseils 🧬 Définition d’architectures Hébergement & Services managés Cybersécurité & Formations…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 232 contacts → | ||||
Indirect evidence “Business At Work is a management and information systems consultancy company offering a range of services entirely focused towards the optimisation of the internal functions of…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 211 contacts → | ||||
Partial evidence “Iliade Consulting is an IT Consulting Company specialized in the energy and water sector.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 206 contacts → | ||||
Indirect evidence “MeltOne is a consulting firm specialized in Organization and Solution Integration that helps companies and their employees in journey toward their transformation.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 174 contacts → | ||||
Partial evidence “More than a simple IT consulting group, MARGO is an alchemy of talents with constantly enriched expertise, always encouraged to be dynamic and to flourish.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 167 contacts → | ||||
Partial evidence “NORGAY IT services, la proximité au cœur de votre transformation digitale NORGAY IT Services est une entreprise de services numériques (ESN), implantée sur Brest, Nantes, Paris…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 157 contacts → | ||||
Indirect evidence “Since 2005, HR Team, Digital Services Company, has been ensuring a digital strategy in line with the ambition of its customers.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 138 contacts → | ||||
Indirect evidence “Oceane Consulting is above all a human adventure entrepreneurs.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 132 contacts → | ||||
Indirect evidence “Rhapsodies Conseil est un cabinet de conseil reconnu pour son indépendance.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 128 contacts → | ||||
Partial evidence “With 150 ACLers – including 16 certified professionals and 8 partners – we support over clients across tech, services, and industry.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 125 contacts → | ||||
Indirect evidence “ADDINN est un cabinet de conseil et d'ingénierie en systèmes d'informations depuis 2012, spécialisé dans les secteurs de la Banque, de l'Assurance et du Transport.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 122 contacts → | ||||
Partial evidence “Vous qui venez d’atterrir sur notre jolie page, vous rêvez d’une vie professionnelle positive et avez le souhait d’intégrer une communauté de rhino heureux?” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 86 contacts → | ||||
Indirect evidence “DigitalCook #Weinspirechange Depuis 2016, DigitalCook accompagne les entreprises dans leurs projets de transformation digitale, infogérance, hardware & software, et cybesécurité.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 75 contacts → | ||||
Strong evidence “Mindquest, formerly Club Freelance, is a global integrated IT & finance recruitment services firm pairing leading companies and top technology professionals to complete…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 69 contacts → | ||||
Indirect evidence “CONSEIL : Un savoir-faire reconnu et structuré autour d'axes métiers.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 66 contacts → | ||||
Indirect evidence “Management Consultants | Business Transformers | Efficiency driven.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 59 contacts → | ||||
Indirect evidence “Kern Consulting est un cabinet d'experts spécialistes de la transformation de l'entreprise, convaincus que le Système d'Information en est un levier incontournable.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 56 contacts → | ||||
Indirect evidence “Nous œuvrons pour des systèmes d’information plus fiables et performants en nous appuyant sur notre maîtrise des métiers de l’infogérance.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 55 contacts → | ||||
Indirect evidence “NRJBI est le résultat de 25 ans d’expérience dans le BI et l’informatique.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 53 contacts → | ||||
Indirect evidence “Lenstra is a consultancy that specialises in Tech.” Source: RevenueBase Database · checked Sep 27, 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 professional services companies. 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 professional services companies.
- Partial evidence
- Its own public description names part of IT professional services companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT professional services companies. 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 596 IT professional services companies based in Paris, France
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IT professional services companies based in Paris, France at a glance
As of Sep 27, 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 596 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 professional services companies, 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 professional services companies”. 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 professional services companies), 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 professional services companies, 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, 4,533 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 27, 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 professional services companies by metro in France
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 professional services companies, 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 professional services companies are there based in Paris, France?
RevenueBase identified 596 IT professional services companies 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?
Groupe SII, headquartered in Paris, tops this list with the largest team on record.
Which city in France has the most IT professional services companies?
Paris leads France with 596 headquartered companies, followed by Lyon (93) and Toulouse (50).
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 4,533 verified decision-maker contacts tracked across these 596 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 27, 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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