Company lists · Data refreshed September 2026

Top 25 Data quality consultancies based in France

RevenueBase identified 66 company matches for data quality consultancies associated with France as of September 2026 and tracks 566 professional contacts across them, including 145 with verified work emails. Paris is the largest hub.

This list covers company matches for data quality consultancies associated with France, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
66Companies
566Contacts tracked
145Verified emails
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The 25 largest data quality consultancies based in France

Ranked by team size
Top 25 of 66 company matches for data quality consultancies based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLyon, FranceHQ recorded Sep 28, 202651-20041 contacts →

Exact match

“Lizeo extracts value from the data in your business ecosystem to create a direct impact!”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchParis, FranceHQ recorded Sep 28, 202651-20039 contacts →

Exact match

“Nous sommes une entreprise pure player de la data qui compte plus de 130 experts.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchParis, FranceHQ recorded Sep 28, 202651-20026 contacts →

Exact match

“eXalt Value est la filiale du groupe de conseil IT eXalt qui accompagne les entreprises dans l'exploitation et la valorisation de leurs data.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchBourg-la-reine, FranceHQ recorded Sep 28, 202611-5024 contacts →

Exact match

“Prestations * Conseil Base de données * Formation diagnostic DQM * Audit conformité CNIL * Qualité des données * Hébergement Bdd * Datamining Qualité de données * RNVP *…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchParis, FranceHQ recorded Sep 28, 202611-5023 contacts →

Exact match

“Quel que soit votre besoin, Kwanzeo intervient sur l’ensemble de la chaîne de valeur de la donnée pour accompagner ses clients de bout en bout, des fondations techniques aux…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchParis, FranceHQ recorded Sep 28, 202651-20021 contacts →

Exact match

“Layer Data is a pure player in Data Governance & Compliance, Data Quality, Master Data Management and Virtualisation Consulting.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchParis, FranceHQ recorded Sep 28, 202611-5016 contacts →

Exact match

“Tale of Data, the no-code data integration platform built for everyone.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchLevallois-perret, FranceHQ recorded Sep 28, 202611-5015 contacts →

Exact match

“À propos de data-on Transformer la donnée en avantage compétitif.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchEnghien Les Bains, FranceHQ recorded Sep 28, 202611-5015 contacts →

Exact match

“Our AI-based Capency solutions improve data quality (+30% usable data), reduce costs, maximize conversion and increase the effectiveness of your marketing actions (up to +20%…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchParis, FranceHQ recorded Sep 28, 202611-5013 contacts →

Exact match

“Janvier 2025 : Data, leader français de la donnée valorisée, annonce l’acquisition de SmartData for Lead (SDFL), acteur majeur du traitement et de la qualification des données…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchParis, FranceHQ recorded Sep 28, 202611-5013 contacts →

Exact match

“Stop collecting data.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchParis, FranceHQ recorded Sep 28, 202611-5010 contacts →

Exact match

“Exploitez le potentiel de vos données avec Ajusteo.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchParis, FranceHQ recorded Sep 28, 202611-509 contacts →

Exact match

“Delpha is the deterministic source of commercial truth for AI agents, the verification call before the action.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchLille, FranceHQ recorded Sep 28, 20261-107 contacts →

Exact match

“Ne laissez pas la mauvaise qualité des données nuire à votre entreprise.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchParis, FranceHQ recorded Sep 28, 20261-107 contacts →

Exact match

“Phianiss, expert en data management, est un cabinet de conseil en gestion et organisation des données de gouvernance.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchLabege, FranceHQ recorded Sep 28, 20261-106 contacts →

Exact match

“DATA VALUE, des experts à vos côtés.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchParis, FranceHQ recorded Sep 28, 202611-506 contacts →

Exact match

“Data governance on its own doesn’t move the needle, it just records yesterday’s problems.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchSuresnes, FranceHQ recorded Sep 28, 20261-105 contacts →

Exact match

“The data quality solution created by users, for users!”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchParis, FranceHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Goviz accompagne ses clients dans le déploiement de leur data governance en associant des compétences complémentaires clés pour en faire un succès - L’accompagnement du data…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchParis, FranceHQ recorded Sep 28, 20261-103 contacts →

Exact match

“La DATA est un enjeu crucial pour vos métiers, néanmoins la data n’est pas aussi bien maîtrisée qu’elle le devrait, nous parlons beaucoup d’approche “data driven” mais pensez vous…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchParis, FranceHQ recorded Sep 28, 20261-103 contacts →

Exact match

“has launched the first-ever cloud platform for enterprise data management and collection support.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchIssy-les-moulineaux, FranceHQ recorded Sep 28, 20261-102 contacts →

Exact match

“Datalian aide les entreprises à lier la gestion et l'utilisation des données avec les vrais enjeux business des entreprises.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchQuincy-sous-sénart, FranceHQ recorded Sep 28, 20261-102 contacts →

Exact match

“NeyKe est spécialisée dans la gouvernance de données (Data IA) d’entreprises de divers secteurs, tels que la finance, l’énergie, l’environnement et la santé.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchGrenoble, FranceHQ recorded Sep 28, 20261-102 contacts →

Exact match

“AlterIA : Collecter, Qualifier, Présenter la Data Récupérer les données de plusieurs sources : AlterIA les regroupe, les collecte, les nettoie, les rend homogènes Qualifier les…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchBagnères De Bigorre, FranceHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Basée au coeur des Pyrénées, j’interviens nationalement pour vous accompagner dans vos démarches qualité”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 66 data quality consultancies based in France

See the full list, filter by size, metro and specialty, and access 145 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data quality consultancies based in France at a glance

As of Sep 28, 2026
25.6%Verified-email coverage
8.6Average contacts per company
1-10Median size (employees)
42.4%Largest-city concentration · Paris
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
41
11-50
17
51-200
8

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 66 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with France whose business descriptions match “data quality consultancies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 145 professional contacts with verified work emails across the full matched dataset. 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.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Data quality consultancies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “data quality consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data quality consultancies are there based in France?

RevenueBase identified 66 company matches for data quality consultancies associated with France as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

LIZEO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most data quality consultancies?

Paris leads with 28 company records, followed by Levallois-Perret (4) and Lyon (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 145 professional contacts with verified work emails tracked across these 66 companies; direct dials are available where recorded.

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 SmartSearch, 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.