Company lists · Data refreshed September 2026

Top 25 Enterprise integration consulting firms based in France

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 1,427 companies tracked

RevenueBase identified 1,427 enterprise integration consulting firms headquartered in France as of September 2026 and tracks 48,914 professional contacts across them, including 17,007 with verified work emails. Paris is the largest hub.

This list covers enterprise integration 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

1,427Companies

48,914Contacts tracked

17,007Verified emails

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The 25 largest enterprise integration consulting firms based in France

Ranked by team size

Top 25 of 1,427 enterprise integration 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 enterprise integration 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	Wavestone	Partial evidence	100-101 Terrasse Boieldieu, FranceHQ checked Sep 21, 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 21, 2026
2	Groupe SII	Indirect evidence	Paris, FranceHQ checked Sep 21, 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 21, 2026
3	AUBAY	Indirect evidence	Boulogne Billancourt, FranceHQ checked Sep 21, 2026	5,001-10,000	2,670 contacts →
	Indirect evidence “Present in 7 countries in Europe, Aubay has more than 7800 employees and has generated revenues of € 513,5 million in 2022, with year on year growth consistently.” Source: RevenueBase Database · checked Sep 21, 2026
4	GFI World	Indirect evidence	Saint-ouen, FranceHQ checked Sep 21, 2026	10001+	2,169 contacts →
	Indirect evidence “Gfi became Inetum in 2020.” Source: RevenueBase Database · checked Sep 21, 2026
5	Keyrus	Indirect evidence	Levallois-perret, FranceHQ checked Sep 21, 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 21, 2026
6	Infotel	Indirect evidence	Neuilly-sur-seine, FranceHQ checked Sep 21, 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 21, 2026
7	Hardis Group	Partial evidence	Seyssinet-pariset, FranceHQ checked Sep 21, 2026	1,001-5,000	1,132 contacts →
	Partial 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 21, 2026
8	Viveris	Partial evidence	Boulogne-billancourt, FranceHQ checked Sep 21, 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 21, 2026
9	Absys Cyborg	Indirect evidence	Issy-les-moulineaux, FranceHQ checked Sep 21, 2026	501-1,000	579 contacts →
	Indirect evidence “Absys Cyborg - A company specialized on business solutions deployments - Subsidiary of the Keyrus Group - 330 employees - 3,800 customers - Is employee development centric - Is…” Source: RevenueBase Database · checked Sep 21, 2026
10	Objectware	Partial evidence	Paris, FranceHQ checked Sep 21, 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 21, 2026
11	Ataway	Partial evidence	Paris, FranceHQ checked Sep 21, 2026	201-500	394 contacts →
	Partial 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 21, 2026
12	Conserto	Indirect evidence	Saint-herblain, FranceHQ checked Sep 21, 2026	201-500	378 contacts →
	Indirect 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 21, 2026
13	Soft Computing	Indirect evidence	Paris, FranceHQ checked Sep 21, 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 21, 2026
14	Magellan Consulting	Partial evidence	Paris, FranceHQ checked Sep 21, 2026	201-500	313 contacts →
	Partial evidence “Magellan Consulting devient Magellan!” Source: RevenueBase Database · checked Sep 21, 2026
15	Cyllene	Indirect evidence	Paris, FranceHQ checked Sep 21, 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 21, 2026
16	ALB Conseil	Indirect evidence	Paris, FranceHQ checked Sep 21, 2026	51-200	260 contacts →
	Indirect evidence “ALB est une société de conseil spécialisée dans les systèmes d'information des banques et des sociétés d'assurance.” Source: RevenueBase Database · checked Sep 21, 2026
17	Decade	Indirect evidence	Paris, FranceHQ checked Sep 21, 2026	51-200	250 contacts →
	Indirect evidence “Fondée en 1988, DECADE se positionne dans l’accompagnement des entreprises et enseignes de commerce « traditionnel » qui se lancent ou évoluent dans l’aventure de l’e-commerce, et…” Source: RevenueBase Database · checked Sep 21, 2026
18	APGAR	Indirect evidence	Neuilly Sur Seine, FranceHQ checked Sep 21, 2026	201-500	232 contacts →
	Indirect evidence “APGAR is a services and advisory company that assists companies aiming for the data and AI to be at the heart of their strategy.” Source: RevenueBase Database · checked Sep 21, 2026
19	Business At Work	Indirect evidence	Paris, FranceHQ checked Sep 21, 2026	201-500	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 21, 2026
20	Webnet	Indirect evidence	Sèvres, FranceHQ checked Sep 21, 2026	51-200	217 contacts →
	Indirect evidence “Créée en 1996, Webnet est intégrateur de solutions internet.” Source: RevenueBase Database · checked Sep 21, 2026
21	Edifixio	Indirect evidence	Bezons, FranceHQ checked Sep 21, 2026	201-500	213 contacts →
	Indirect evidence “Edifixio is an IT services company working mainly for large international companies, in the areas of Industry, Retail, Insurance and Services.” Source: RevenueBase Database · checked Sep 21, 2026
22	Iliade Consulting	Partial evidence	Paris, FranceHQ checked Sep 21, 2026	201-500	211 contacts →
	Partial evidence “Iliade Consulting is an IT Consulting Company specialized in the energy and water sector.” Source: RevenueBase Database · checked Sep 21, 2026
23	Meltone Advisory	Strong evidence	Paris, FranceHQ checked Sep 21, 2026	51-200	206 contacts →
	Strong 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 21, 2026
24	UNIS	Indirect evidence	Villeneuve D'ascq, FranceHQ checked Sep 21, 2026	201-500	181 contacts →
	Indirect evidence “Vous avez envie de prendre part à un projet d'entreprise fort au sein d'une entreprise qui favorise l'expression des talents de chacun?” Source: RevenueBase Database · checked Sep 21, 2026
25	Agap2it France	Indirect evidence	Boulogne-billancourt, FranceHQ checked Sep 21, 2026	1,001-5,000	165 contacts →
	Indirect evidence “Fondée en 2005, agap2 IT est une société de conseil en Systèmes d’Information d’envergure européenne (France, Portugal, Suisse et Espagne).” Source: RevenueBase Database · checked Sep 21, 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: enterprise integration 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 enterprise integration consulting firms.
Partial evidence: Its own public description names part of enterprise integration consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name enterprise integration 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 1,427 enterprise integration consulting firms based in France

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Enterprise integration consulting firms based in France at a glance

As of Sep 21, 2026

34.8%Verified-email coverage

34.3Average contacts per company

1-10Median size (employees)

27.3%Largest-city concentration · Paris

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

831

11-50

413

51-200

131

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 1,427 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 enterprise integration 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 “enterprise integration 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 enterprise integration 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 enterprise integration 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, 17,007 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.

Enterprise integration consulting firms by metro

Enterprise integration consulting firms in Paris389
Enterprise integration consulting firms in Lyon54

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 enterprise integration 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 enterprise integration consulting firms are there based in France?

RevenueBase identified 1,427 enterprise integration 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 enterprise integration consulting firms?

Paris leads with 389 headquartered companies, followed by Lyon (54) and Toulouse (24).

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 17,007 verified decision-maker contacts tracked across these 1,427 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.