Company lists · Data refreshed September 2026

Top 10 Transformation consulting firms based in Rouen, France

Name: Transformation consulting firms based in Rouen, France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 27 companies tracked

RevenueBase identified 27 company matches for transformation consulting firms associated with Rouen, France as of September 2026 and tracks 370 professional contacts across them, including 175 with verified work emails. Across France, Paris is the largest hub for this category (3,267 companies); Rouen has 27.

This list covers company matches for transformation consulting firms associated with Rouen, 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 6, 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 6, 2026 How this list was built

27Companies

370Contacts tracked

175Verified emails

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The 10 largest transformation consulting firms based in Rouen, France

Ranked by team size

Top 10 of 27 company matches for transformation consulting firms based in Rouen, France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 6, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Attineos Applications	Exact match	Rouen, FranceHQ recorded Sep 6, 2026	201-500	141 contacts →
	Exact match “Entreprise de Services du Numérique, Attineos revendique sa différence.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
2	Assist Evolution	Exact match	Rouen, FranceHQ recorded Sep 6, 2026	11-50	26 contacts →
	Exact match “Assist Evolution is focused on management and information system consultancy.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
3	Deapdata	Exact match	Rouen, FranceHQ recorded Sep 6, 2026	11-50	17 contacts →
	Exact match “DEAPDATA – Conseil en Business Intelligence, Big Data & Intelligence Artificielle Créé en 2016, DEAPDATA est un cabinet de conseil indépendant spécialisé dans la valorisation des…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
4	CER Rouen Normandie	Exact match	Rouen, FranceHQ recorded Sep 6, 2026	11-50	6 contacts →
	Exact match “Nous vous aidons à améliorer la mobilité de vos collaborateurs Notre rôle?” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
5	Lēmasonn Consulting	Exact match	Rouen, FranceHQ recorded Sep 6, 2026	1-10	5 contacts →
	Exact match “LEMASONN CONSULTING accompagne ses clients dans la conception, la structuration et l’exécution de leurs projets IT & Business.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
6	Mci-Monconsultantinfo	Exact match	Rouen, FranceHQ recorded Sep 6, 2026	1-10	4 contacts →
	Exact match “En accélérant vos projets informatiques, nous vous évitons les pertes de temps.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
7	Digisoft SAS	Exact match	Rouen, FranceHQ recorded Sep 6, 2026	1-10	4 contacts →
	Exact match “Digisoft, accompagne les entreprises dans leur transformation numérique, solutions web, applications mobile ainsi que conseil et intégration de systèmes, Grâce à son expertise…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
8	Optigo	Exact match	Rouen, FranceHQ recorded Sep 6, 2026	1-10	1 contacts →
	Exact match “Optigo accompagne les entreprises dans leur développement et leurs transformations.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
9	Youbuntu	Exact match	Rouen, FranceHQ recorded Sep 6, 2026	1-10	1 contacts →
	Exact match “Libérez votre puissance!” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
10	Efficiency LAB	Exact match	Rouen, FranceHQ recorded Sep 6, 2026	1-10	1 contacts →
	Exact match “Accompagnement des entreprises et PME - Transformation numérique - Optimisation des processus - Gestion de projets” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “transformation consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 10 of 27 transformation consulting firms based in Rouen, France

See the full list, filter by size, metro and specialty, and access 175 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Transformation consulting firms based in Rouen, France at a glance

As of Sep 6, 2026

47.3%Verified-email coverage

13.7Average contacts per company

1-10Median size (employees)

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole France list rather than for Rouen, so it is reported there. Company counts and contact totals on this page are exact for Rouen, over 27 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 Rouen, France whose business descriptions match “transformation consulting firms” 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 175 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 6, 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.

Transformation consulting firms by metro in France

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 “transformation consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many transformation consulting firms are there based in Rouen, France?

RevenueBase identified 27 company matches for transformation consulting firms associated with Rouen, 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?

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

Which city in France has the most transformation consulting firms?

Paris leads France with 3,267 company records, followed by Lyon (407) and Toulouse (210). Rouen has 27.

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 175 professional contacts with verified work emails tracked across these 27 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 6, 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.