Company lists · Data refreshed September 2026
Top 25 Transformation consulting firms based in Nantes, France
RevenueBase identified 173 transformation consulting firms headquartered in Nantes, France as of September 2026 and tracks 3,350 professional contacts across them, including 1,441 with verified work emails. Paris is the largest hub.
This list covers transformation consulting firms headquartered in Nantes, 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 6, 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.
The 25 largest transformation consulting firms based in Nantes, France
Ranked by team size| # | Company | RevenueBase Smart Search | Contacts | ||
|---|---|---|---|---|---|
| 1 | Partial evidence | 2,167 contacts → | |||
“Experis accompagne les DSI dans leurs projets de transformation digitale en déployant des solutions innovantes en matière de Services et de Talent IT afin de répondre aux besoins…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | Indirect evidence | 145 contacts → | |||
“Valeuriad - valeurs, innovation & digital Notre vocation Plus qu’une compétence technique, nous apportons à nos clients un réel savoir-faire et savoir-être.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | Indirect evidence | 131 contacts → | |||
“Nous sommes une Tribu de passionné·e·s qui accompagnons les entreprises dans la conception et la réalisation de produits digitaux avec des solutions innovantes, humaines et…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | Partial evidence | 97 contacts → | |||
“Support organizations in the mastery and success of their transformations.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | Indirect evidence | 62 contacts → | |||
“Cabinet de conseil et d’ingénierie spécialisé dans les métiers du Système d’Information et de l’Industrie, créé en janvier 2017 à Nantes, Capten propose 3 offres afin…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | Indirect evidence | 57 contacts → | |||
“Depuis 2009, CAHRA, rattachée au groupe UPWARD, développe et porte un métier : le management de la transition.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | Partial evidence | 29 contacts → | |||
“Cabinet de conseil en organisation et management, SK Consulting est implanté à Nantes et Niort et accompagne de nombreux acteurs de la région Grand Ouest dans leurs projets de…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | Indirect evidence | 23 contacts → | |||
“Entreprise de Service du Numérique spécialisée en innovation, Mood Conseil recherche de nouveaux talents pour constituer ses équipes Nantaises!” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | Indirect evidence | 22 contacts → | |||
“Valoway est une société de conseil et d'intégration de solutions innovantes spécialisée dans la valorisation des données et les solutions Cloud.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | Indirect evidence | 22 contacts → | |||
“APC Management est un cabinet de formation et de conseil en management, commerce et développement personnel.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | Indirect evidence | 21 contacts → | |||
“Nous sommes un cabinet de conseil en management des organisations animé par une conviction profonde : la performance durable de l’entreprise passe avant tout par son développement…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | Partial evidence | 20 contacts → | |||
“Nous sommes spécialisés dans l’accompagnement des projets de transformation qui touchent à la culture, au management et à l’organisation des entreprises.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | Partial evidence | 20 contacts → | |||
“Acteur de référence en Pays de la Loire, NEPSIO Conseil est un cabinet de stratégie et de conseil spécialisé en transformation (organisationnelle, RH et digitale).” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | Indirect evidence | 18 contacts → | |||
“EliteOrga est un cabinet de conseil et formation en organisation et management à Nantes et à Lille.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | Indirect evidence | 17 contacts → | |||
“Mieux vaut Tête bien faite que tête bien pleine – M.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | Partial evidence | 12 contacts → | |||
“Chez Tribu, nous accompagnons les entreprises de l'Ouest de la France (nous sommes basés à Nantes) dans la transformation des façons de travailler.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | Indirect evidence | 12 contacts → | |||
“Chez Frennly, nous nous sommes donné pour mission de transformer les contraintes des organisations en temps utile.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | Indirect evidence | 12 contacts → | |||
“ModalB accompagne les entreprises dans leurs projets numériques 🤝 ModalB est une société de conseil et de service en IT qui met son expertise au service de ses clients pour…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 19 | Indirect evidence | 11 contacts → | |||
“Arkup est une Société de Conseil en Architecture et Management des Systèmes d'Information uniquement spécialisée sur les métiers de la filière "architecte des systèmes…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 20 | Indirect evidence | 9 contacts → | |||
“Modèle hybride entre le savoir-faire métier des cabinets de conseil et la maîtrise technologique des ESN, Inöweeno et ses Digital Lovers sont à vos côtés sur tous les aspects de…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 21 | Strong evidence | 9 contacts → | |||
“Créé en 2012, AMNIS Consulting est un cabinet de conseil en management et projets de transformation.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 22 | Indirect evidence | 8 contacts → | |||
“Artésial consultants est un cabinet de conseil spécialisé dans la performance industrielle des industries de l’agro-alimentaire, de la cosmétique et de la pharmacie.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 23 | Indirect evidence | 8 contacts → | |||
“Optimisez votre métier à travers les apports du numérique.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 24 | Indirect evidence | 8 contacts → | |||
“Le numérique est aujourd’hui le premier enjeu stratégique des entreprises.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 25 | Partial evidence | 8 contacts → | |||
“Audensiel Grand Ouest est le bureau régional d'Audensiel, cabinet de conseil en transformation digitale et conseil métiers IT sur tous les secteurs d'activité.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
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: transformation 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 transformation consulting firms.
- Partial evidence
- Its own public description names part of transformation consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name transformation 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 173 transformation consulting firms based in Nantes, France
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Transformation consulting firms based in Nantes, France at a glance
As of Sep 6, 2026Companies by employee count
Email recency for this list is measured across the whole France list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Nantes, over 173 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 transformation 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 Nantes, France whose own description of what they do matches “transformation 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 transformation 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 transformation consulting firms, and records with no verified work email. Companies headquartered outside Nantes 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, 1,441 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 6, 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.
Transformation consulting firms by metro in France
- Transformation consulting firms in Paris3267
- Transformation consulting firms in Lyon407
- Transformation consulting firms in Toulouse210
- Transformation consulting firms in Nantes173
- Transformation consulting firms in Bordeaux168
- Transformation consulting firms in Lille124
- Transformation consulting firms in Marseille106
- Transformation consulting firms in Neuilly-Sur-Seine93
- Transformation consulting firms in Rennes89
- Transformation consulting firms in Boulogne-Billancourt83
- Transformation consulting firms in Montpellier83
- Transformation consulting firms in Courbevoie75
- Transformation consulting firms in Strasbourg74
- Transformation consulting firms in Levallois-Perret62
- Transformation consulting firms in Puteaux58
- Transformation consulting firms in Neuilly Sur Seine51
- Transformation consulting firms in Nice51
- Transformation consulting firms in Boulogne Billancourt48
- Transformation consulting firms in Versailles46
- Transformation consulting firms in Aix En Provence42
- Transformation consulting firms in Issy-Les-Moulineaux42
- Transformation consulting firms in Grenoble37
- Transformation consulting firms in Tours37
- Transformation consulting firms in Aix-En-Provence35
- Transformation consulting firms in Nanterre35
- Transformation consulting firms in Angers31
- Transformation consulting firms in France27
- Transformation consulting firms in Rouen27
- Transformation consulting firms in Annecy26
- Transformation consulting firms in Issy Les Moulineaux25
- Transformation consulting firms in Villeurbanne25
- Transformation consulting firms in Vincennes25
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 transformation 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 transformation consulting firms are there based in Nantes, France?
RevenueBase identified 173 transformation consulting firms headquartered in Nantes, 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?
Experis France, headquartered in Nantes, tops this list with the largest team on record.
Which city has the most transformation consulting firms?
Paris leads with 3267 headquartered companies, followed by Lyon (407) and Toulouse (210).
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 1,441 verified decision-maker contacts tracked across these 173 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 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 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.
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