Company lists · Data refreshed September 2026

Top 25 Data warehousing consultancies based in France

Name: Data warehousing consultancies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 339 companies tracked

RevenueBase identified 339 data warehousing consultancies headquartered in France as of September 2026 and tracks 8,098 professional contacts across them, including 2,829 with verified work emails. Paris is the largest hub.

This list covers data warehousing consultancies 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 28, 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 28, 2026 86% judged on-target in blind review

339Companies

8,098Contacts tracked

2,829Verified emails

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The 25 largest data warehousing consultancies based in France

Ranked by team size

Top 25 of 339 data warehousing consultancies based in France, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to data warehousing consultancies: 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	GFI World	Indirect evidence	Saint-ouen, FranceHQ checked Sep 28, 2026	10001+	2,169 contacts →
	Indirect evidence “Gfi became Inetum in 2020.” Source: RevenueBase Database · checked Sep 28, 2026
2	Micropole	Partial evidence	Levallois-perret, FranceHQ checked Sep 28, 2026	1,001-5,000	795 contacts →
	Partial 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 28, 2026
3	Avisia	Partial evidence	Paris, FranceHQ checked Sep 28, 2026	201-500	284 contacts →
	Partial evidence “Founded in 2007, AVISIA has become over the years a leading player in Data, Digital & Technologies.” Source: RevenueBase Database · checked Sep 28, 2026
4	APGAR	Partial evidence	Neuilly Sur Seine, FranceHQ checked Sep 28, 2026	201-500	232 contacts →
	Partial 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 28, 2026
5	Advanced Schema	Indirect evidence	Paris, FranceHQ checked Sep 28, 2026	201-500	201 contacts →
	Indirect evidence “Founded in 2001, ADVANCED Schema is a Consulting and Outsourcing Services company.” Source: RevenueBase Database · checked Sep 28, 2026
6	Sibylone	Partial evidence	Paris, FranceHQ checked Sep 28, 2026	201-500	168 contacts →
	Partial evidence “SIBYLONE helps its customers to extract the full value from their data assets, a major strategic lever for development and profitability.” Source: RevenueBase Database · checked Sep 28, 2026
7	ACSSI	Partial evidence	Villeneuve D'ascq, FranceHQ checked Sep 28, 2026	201-500	143 contacts →
	Partial evidence “ACSSI, Pôle d'activités DATA, IA, Cloud, Digital et SAP de référence à Lille, Paris, Bordeaux et Nantes depuis plus de 10 années.” Source: RevenueBase Database · checked Sep 28, 2026
8	Digora	Partial evidence	Strasbourg, FranceHQ checked Sep 28, 2026	51-200	112 contacts →
	Partial evidence “Use the full potential of your data and your IS to overcome your challenges in terms of availability, performance and security.” Source: RevenueBase Database · checked Sep 28, 2026
9	Elyadata	Partial evidence	Paris, FranceHQ checked Sep 28, 2026	51-200	98 contacts →
	Partial evidence “elyadata unites the power of scientific expertise and business acumen to crack the code of data transformation.” Source: RevenueBase Database · checked Sep 28, 2026
10	Decivision	Indirect evidence	Toulouse, FranceHQ checked Sep 28, 2026	51-200	96 contacts →
	Indirect evidence “DeciVision est une ESN créée en 2006 comptant aujourd’hui 100 collaborateurs sur Toulouse, Paris, Bordeaux, Nantes, Lyon et Lille.” Source: RevenueBase Database · checked Sep 28, 2026
11	Iorga Group	Indirect evidence	Puteaux, FranceHQ checked Sep 28, 2026	51-200	94 contacts →
	Indirect evidence “iOrga Group est spécialiste de l’intégration de solutions innovantes dans les domaines de la Business Intelligence, du Cloud et du développement Web.” Source: RevenueBase Database · checked Sep 28, 2026
12	AOSIS	Indirect evidence	Toulouse, FranceHQ checked Sep 28, 2026	51-200	75 contacts →
	Indirect evidence “Société toulousaine créée en 2010 par d'anciens consultants SAP, AOSIS Consulting a tout d'abord commercialisé un logiciel pour optimiser l'implémentation d'un projet SAP BW…” Source: RevenueBase Database · checked Sep 28, 2026
13	Data-Major	Partial evidence	Lyon, FranceHQ checked Sep 28, 2026	51-200	75 contacts →
	Partial evidence “We support our clients in the urbanization, structuration, and operation of their data information systems.” Source: RevenueBase Database · checked Sep 28, 2026
14	Trimane Expert BI ET BIG Data	Partial evidence	Puteaux, FranceHQ checked Sep 28, 2026	51-200	66 contacts →
	Partial evidence “Fondée en 2005, TRIMANE est une société de services à taille humaine (82 collaborateurs), experte dans le domaine de la BI et du Big Data Depuis plus de 10 ans, notre métier est…” Source: RevenueBase Database · checked Sep 28, 2026
15	Axopen	Indirect evidence	Lyon, FranceHQ checked Sep 28, 2026	51-200	61 contacts →
	Indirect evidence “L'entreprise Axopen propose toute une gamme de produits et services informatique allant du conseil en système d'informations, développement de solutions sur mesure ou intégration…” Source: RevenueBase Database · checked Sep 28, 2026
16	Lobellia Conseil	Indirect evidence	Montrouge, FranceHQ checked Sep 28, 2026	51-200	60 contacts →
	Indirect evidence “Nous accompagnons nos clients tout au long de leurs réflexions et projets de pilotage de la performance.” Source: RevenueBase Database · checked Sep 28, 2026
17	Softeam Expertise Data & IA	Indirect evidence	Paris, FranceHQ checked Sep 28, 2026	51-200	60 contacts →
	Indirect evidence “Softeam est la marque du Conseil et des Services de Docaposte.” Source: RevenueBase Database · checked Sep 28, 2026
18	SOMA	Partial evidence	Paris, FranceHQ checked Sep 28, 2026	51-200	59 contacts →
	Partial evidence “SOMA, le cabinet de conseil SO' SMART, est le facteur X de la réussite vos projets de transformation Data & IA.” Source: RevenueBase Database · checked Sep 28, 2026
19	Synergy France	Indirect evidence	Lille - Lezennes, FranceHQ checked Sep 28, 2026	51-200	59 contacts →
	Indirect evidence “Synergy est spécialisée en informatique décisionnelle basée à Paris, Lille (Siège) et Bruxelles.” Source: RevenueBase Database · checked Sep 28, 2026
20	Boston Storage	Indirect evidence	Toulouse, FranceHQ checked Sep 28, 2026	51-200	59 contacts →
	Indirect evidence “Boston Storage travaille en partenariat avec ses clients pour offrir des solutions sur mesure qui permettent de résoudre les problèmes les plus importants et créer un avantage…” Source: RevenueBase Database · checked Sep 28, 2026
21	NRJBI	Indirect evidence	Paris, FranceHQ checked Sep 28, 2026	11-50	55 contacts →
	Indirect evidence “NRJBI est le résultat de 25 ans d’expérience dans le BI et l’informatique.” Source: RevenueBase Database · checked Sep 28, 2026
22	Ai&data	Partial evidence	Paris, FranceHQ checked Sep 28, 2026	51-200	50 contacts →
	Partial evidence “AI & DATA est un cabinet de conseil spécialisé dans les sujets #Data et #IA depuis 50 ans.” Source: RevenueBase Database · checked Sep 28, 2026
23	Yellowsys	Indirect evidence	Paris, FranceHQ checked Sep 28, 2026	11-50	48 contacts →
	Indirect evidence “Yellowsys est un cabinet de conseil qui accompagne ses clients dans leurs projets de transformation digitale et de mise en place de solutions décisionnelles.” Source: RevenueBase Database · checked Sep 28, 2026
24	All4it	Indirect evidence	Lezennes, FranceHQ checked Sep 28, 2026	51-200	48 contacts →
	Indirect evidence “All4It is an international company focusing its core activity around 2 main areas : IT Services Management IT Consulting Those expertise areas developped during the evolution of…” Source: RevenueBase Database · checked Sep 28, 2026
25	Bial-X	Partial evidence	Limonest, FranceHQ checked Sep 28, 2026	51-200	45 contacts →
	Partial evidence “De nos jours, la Data est considérée comme un véritable actif, c’est pourquoi il est nécessaire, pour toute société ou administration, d'en extraire la valeur afin d'accroître la…” Source: RevenueBase Database · checked Sep 28, 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: data warehousing 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 data warehousing consultancies.
Partial evidence: Its own public description names part of data warehousing consultancies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name data warehousing 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 25 of 339 data warehousing consultancies based in France

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Data warehousing consultancies based in France at a glance

As of Sep 28, 2026

34.9%Verified-email coverage

23.9Average contacts per company

1-10Median size (employees)

35.7%Largest-city concentration · Paris

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

180

11-50

106

51-200

201-500

1,001-5,000

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 339 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 data warehousing 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 France whose own description of what they do matches “data warehousing 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 data warehousing 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 data warehousing consultancies, 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, 2,829 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 28, 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.

Data warehousing consultancies by metro

Data warehousing consultancies in Paris121

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 data warehousing 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 data warehousing consultancies are there based in France?

RevenueBase identified 339 data warehousing consultancies 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?

GFI World, headquartered in Saint-Ouen, tops this list with the largest team on record.

Which city has the most data warehousing consultancies?

Paris leads with 121 headquartered companies, followed by Lyon (13) and Issy-Les-Moulineaux (8).

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 2,829 verified decision-maker contacts tracked across these 339 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 28, 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.