Company lists · Data refreshed September 2026
Top 25 Lean six sigma consulting firms based in France
RevenueBase identified 177 lean six sigma consulting firms headquartered in France as of September 2026 and tracks 1,048 professional contacts across them, including 279 with verified work emails. Paris is the largest hub.
This list covers lean six sigma 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 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.
The 25 largest lean six sigma consulting firms based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 100 contacts → | ||||
Indirect evidence “We make our clients Leaders in sustainable operational performance.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 51 contacts → | ||||
Indirect evidence “In October 1990, Jean Paul Lerailler founded SESA SYSTEMS with for mission and objective: the organization of the quality in production.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 46 contacts → | ||||
Indirect evidence “Société d'Ingénierie et de Conseil spécialisée en Génie Industriel.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 45 contacts → | ||||
Indirect evidence “Créé en 2005 par Aymeric de Valroger, le cabinet Axsens bte vous accompagne vers l'excellence opérationnelle au travers de ses activités de conseil et de formation, quelle que…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 44 contacts → | ||||
Indirect evidence “XL Groupe est un cabinet de Conseil et Formation spécialisé dans l’amélioration des performances depuis 25 ans.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 38 contacts → | ||||
Indirect evidence “Expert en amélioration des performances industrielles Qualité Coût Délais, nous proposons et réalisons des prestations de conseil à forte valeur ajoutée.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 28 contacts → | ||||
Partial evidence “Le Lean ne transforme pas les entreprises.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 27 contacts → | ||||
Partial evidence “GEOLEAN Group is the leader in the installation of results through Lean.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 22 contacts → | ||||
Partial evidence “Nous sommes un cabinet de conseil, formation, ingénierie en Lean Construction, et sommes leader dans notre activité.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 22 contacts → | ||||
Partial evidence “Cabinet de conseil pionnier et spécialiste du Lean Management dans la Tech / IT et les Services depuis 2007 Operae Partners accompagne la transformation des organisations.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 19 contacts → | ||||
Partial evidence “You want to - embark your team through a Lean Journey- make possible achievements that was not expected- solve issues that was not explained for a while- structure your own…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 15 contacts → | ||||
Partial evidence “Factories, People & Results… Marris Consulting is a consulting firm focused on industrial operations, with over 20 years of experience in designing and implementing projects in…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 15 contacts → | ||||
Strong evidence “Operational Excellence | Lean Management | Six Sigma | Your partner in boosting the performance of your teams and your organization.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 14 contacts → | ||||
Strong evidence “A unique solution provider for Operationnal Excellence - Consulting in Operationnal Excellence - Engineering and Manufacturing of turnkey lean technical solutions - Training in a…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 12 contacts → | ||||
Strong evidence “ISlean Consulting est un cabinet de conseil en stratégie, Lean management et organisation des systèmes d'informations.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 9 contacts → | ||||
Strong evidence “Consulting & Training in implementing Lean & Green System.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 7 contacts → | ||||
Indirect evidence “Effidyn est un cabinet de conseil en management qui accompagne les grands industriels et les entreprises du btp dans l'amélioration de leurs processus, produits et services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 6 contacts → | ||||
Indirect evidence “Spitfire Conseil is a market leading consultancy company specialized in performance improvement operating across multiple industry sectors.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 contacts → | ||||
Indirect evidence “Cabinet spécialisé dans le conseil en organisation et en amélioration continue.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 contacts → | ||||
Indirect evidence “Spécialiste de la performance opérationnelle et managériale, GH Training est l’organisme de formation du Groupe GH, dédié à l’accompagnement des entreprises, notamment…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 4 contacts → | ||||
Indirect evidence “YOKUP GROUP est une société innovante de conseils en recrutement, basée en plein cœur de Paris (9ème arrondissement).” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Indirect evidence “Nous sommes une société de Conseil en performance industrielle et de Coaching.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Indirect evidence “Notre métier : vous aider à améliorer les performances de vos ateliers, entrepôts… Vous cherchez à diminuer vos coûts de revient, à réduire vos stocks, à améliorer votre taux de…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Strong evidence “QCD-Consulting, Spécialiste et Pionnier du déploiement « Lean » dans les PME et les sites de Grands Groupes :> Mise en place des concepts Lean dans les organisations.> Transfert…” Source: RevenueBase Database · checked Sep 28, 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: lean six sigma 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 lean six sigma consulting firms.
- Partial evidence
- Its own public description names part of lean six sigma consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name lean six sigma 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 177 lean six sigma consulting firms based in France
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Lean six sigma consulting firms based in France at a glance
As of Sep 28, 2026Companies by employee count
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 177 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 lean six sigma 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 “lean six sigma 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 lean six sigma 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 lean six sigma 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, 279 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.
Lean six sigma consulting firms by metro
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 lean six sigma 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 lean six sigma consulting firms are there based in France?
RevenueBase identified 177 lean six sigma 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?
CUBIK, headquartered in Paris, tops this list with the largest team on record.
Which city has the most lean six sigma consulting firms?
Paris leads with 40 headquartered companies, followed by Lyon (7) and Lille (6).
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 279 verified decision-maker contacts tracked across these 177 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.
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