Company lists · Data refreshed September 2026

Top 25 Expert software consulting services based in France

Name: Expert software consulting services based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 4,863 companies tracked

RevenueBase identified 4,863 expert software consulting services headquartered in France as of September 2026 and tracks 85,956 professional contacts across them, including 29,604 with verified work emails and 2,217 with mobile numbers. Paris is the largest hub.

This list covers expert software consulting services 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 24, 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 24, 2026 86% judged on-target in blind review

4,863Companies

85,956Contacts tracked

29,604Verified emails

2,217Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest expert software consulting services based in France

Ranked by team size

Top 25 of 4,863 expert software consulting services based in France, ranked by team size, largest first. Data refreshed Sep 24, 2026. RevenueBase Smart Search rates how each company's information relates to expert software consulting services: 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	Groupe SII	Indirect evidence	Paris, FranceHQ checked Sep 24, 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 24, 2026
2	GFI World	Indirect evidence	Saint-ouen, FranceHQ checked Sep 24, 2026	10001+	2,169 contacts →
	Indirect evidence “Gfi became Inetum in 2020.” Source: RevenueBase Database · checked Sep 24, 2026
3	Keyrus	Partial evidence	Levallois-perret, FranceHQ checked Sep 24, 2026	1,001-5,000	1,964 contacts →
	Partial 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 24, 2026
4	Infotel	Indirect evidence	Neuilly-sur-seine, FranceHQ checked Sep 24, 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 24, 2026
5	IGA	Indirect evidence	Malakoff, FranceHQ checked Sep 24, 2026	n/a	1,530 contacts →
	Indirect evidence “Métiers - Edition de composants/modules logiciels pour les métiers de l’assurance, du voyage et du négoce- Création de solutions spécifiques pour le compte des clients- Suivi et…” Source: RevenueBase Database · checked Sep 24, 2026
6	Prodware	Indirect evidence	Paris, FranceHQ checked Sep 24, 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 24, 2026
7	SMILE	Partial evidence	Asnières Sur Seine, FranceHQ checked Sep 24, 2026	1,001-5,000	1,352 contacts →
	Partial evidence “We are Technology experts & Business partners.” Source: RevenueBase Database · checked Sep 24, 2026
8	SFEIR	Partial evidence	Neuilly-sur-seine, FranceHQ checked Sep 24, 2026	501-1,000	904 contacts →
	Partial evidence “SFEIR est une Société d’expertise spécialisée dans le développement d’applications sous toutes leurs formes ( web, mobile, IOT, cloud, data, etc.).” Source: RevenueBase Database · checked Sep 24, 2026
9	Viveris	Partial evidence	Boulogne-billancourt, FranceHQ checked Sep 24, 2026	1,001-5,000	833 contacts →
	Partial evidence “Viveris is a consulting and engineering company with two main activities - IT consulting.” Source: RevenueBase Database · checked Sep 24, 2026
10	Groupe Intm	Indirect evidence	Levallois-perret, FranceHQ checked Sep 24, 2026	1,001-5,000	714 contacts →
	Indirect evidence “Le Groupe INTM est une société de conseil et de services en ingénierie numérique, dont le positionnement s'inscrit depuis plusieurs années dans une volonté de proximité, d'écoute…” Source: RevenueBase Database · checked Sep 24, 2026
11	Softeam	Partial evidence	Courbevoie, FranceHQ checked Sep 24, 2026	1,001-5,000	705 contacts →
	Partial evidence “Softeam is the Consulting and Services brand of Docaposte.” Source: RevenueBase Database · checked Sep 24, 2026
12	Klanik	Partial evidence	Marseille, FranceHQ checked Sep 24, 2026	501-1,000	585 contacts →
	Partial 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 24, 2026
13	Julhiet Sterwen	Partial evidence	Neuilly Sur Seine, FranceHQ checked Sep 24, 2026	501-1,000	551 contacts →
	Partial evidence “julhiet sterwen is a key player in management, human resources and operational consulting.” Source: RevenueBase Database · checked Sep 24, 2026
14	WE	Partial evidence	Issy Les Moulineaux, FranceHQ checked Sep 24, 2026	201-500	404 contacts →
	Partial evidence “We+ est un cabinet de conseil expert en IT, membre de l’écosystème Alan Allman Associates.” Source: RevenueBase Database · checked Sep 24, 2026
15	Objectware	Partial evidence	Paris, FranceHQ checked Sep 24, 2026	501-1,000	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 24, 2026
16	Ataway	Strong evidence	Paris, FranceHQ checked Sep 24, 2026	201-500	394 contacts →
	Strong 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 24, 2026
17	Conserto	Partial evidence	Saint-herblain, FranceHQ checked Sep 24, 2026	201-500	378 contacts →
	Partial evidence “Conserto, jeune société innovante et dynamique, propose des prestations de conseil et d’expertise informatique : Nous avons 3 domaines d'expertise - Cloud - Digital - Embedded Et…” Source: RevenueBase Database · checked Sep 24, 2026
18	Soft Computing	Indirect evidence	Paris, FranceHQ checked Sep 24, 2026	201-500	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 24, 2026
19	Sqorus	Partial evidence	Paris, FranceHQ checked Sep 24, 2026	201-500	328 contacts →
	Partial evidence “SQORUS is a consulting firm specializing in the transformation of HR, Finance and IT functions.” Source: RevenueBase Database · checked Sep 24, 2026
20	Noveo Group	Indirect evidence	Paris, FranceHQ checked Sep 24, 2026	501-1,000	327 contacts →
	Indirect evidence “The Noveo group has specialized in design, development and maintenance of digital solutions since 1998.” Source: RevenueBase Database · checked Sep 24, 2026
21	Avanquest	Partial evidence	Courbevoie, FranceHQ checked Sep 24, 2026	201-500	315 contacts →
	Partial evidence “At Avanquest, we develop software that makes digital simpler, smarter and more useful.” Source: RevenueBase Database · checked Sep 24, 2026
22	Amiltone	Indirect evidence	Villeurbanne, FranceHQ checked Sep 24, 2026	201-500	314 contacts →
	Indirect evidence “Bienvenue chez Amiltone.” Source: RevenueBase Database · checked Sep 24, 2026
23	Infogene	Indirect evidence	Neuilly-sur-seine, FranceHQ checked Sep 24, 2026	501-1,000	291 contacts →
	Indirect evidence “INFOGENE est une ESN spécialisée dans 3 domaines principaux (en AMOA et MOE): DIGITAL: Notre savoir faire : Conseil, architecture logiciel, conception, développement, maintenance…” Source: RevenueBase Database · checked Sep 24, 2026
24	Cyllene	Indirect evidence	Paris, FranceHQ checked Sep 24, 2026	201-500	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 24, 2026
25	Kaizen Solutions KZS	Indirect evidence	Montbonnot-saint-martin, FranceHQ checked Sep 24, 2026	201-500	261 contacts →
	Indirect evidence “Nous sommes une ESN (entreprise de services numériques) spécialisée dans la conception, le développement et la maintenabilité de solutions informatiques, techniques et…” Source: RevenueBase Database · checked Sep 24, 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: expert software consulting services. 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 expert software consulting services.
Partial evidence: Its own public description names part of expert software consulting services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name expert software consulting services. 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 4,863 expert software consulting services based in France

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 29,604 reachable decision-makers.

Free signup · no credit card

View the full list →

Expert software consulting services based in France at a glance

As of Sep 24, 2026

34.4%Verified-email coverage

2.6%Mobile-number coverage

17.7Average contacts per company

1-10Median size (employees)

18.1%Largest-city concentration · Paris

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

2,768

11-50

937

51-200

265

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 26.0d

22,7630–30

6,33431–60

35161–90

790–180

149180+

Company record updated

Median 78.0d

00–30

23,96731–60

39,97961–90

17,60590–180

4,405180+

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 expert software consulting services, 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 “expert software consulting services”. 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 expert software consulting services), 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 expert software consulting services, 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, 29,604 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 24, 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.

Expert software consulting services by metro

Expert software consulting services in Paris879
Expert software consulting services in Lyon136
Expert software consulting services in Toulouse88
Expert software consulting services in Bordeaux59
Expert software consulting services in Marseille50
Expert software consulting services in Lille42
Expert software consulting services in Nantes39
Expert software consulting services in Courbevoie34
Expert software consulting services in Montpellier34
Expert software consulting services in Neuilly-Sur-Seine32
Expert software consulting services in Rennes26
Expert software consulting services in Strasbourg26

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 expert software consulting services, 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 expert software consulting services are there based in France?

RevenueBase identified 4,863 expert software consulting services 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?

Groupe SII, headquartered in Paris, tops this list with the largest team on record.

Which city has the most expert software consulting services?

Paris leads with 879 headquartered companies, followed by Lyon (136) and Toulouse (88).

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 29,604 verified decision-maker contacts tracked across these 4,863 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 24, 2026.

Ready to reach these companies? Verified emails and direct dials for all 4,863 expert software consulting services based in France. Start with a free account, no credit card.

Download this list →

Related lists

Expert software consulting services by geography

Browse the directory

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.