Company lists · Data refreshed September 2026
Top 25 Iso 12100 consulting firms based in France
RevenueBase identified 607 iso 12100 consulting firms headquartered in France as of September 2026 and tracks 2,719 professional contacts across them, including 591 with verified work emails. Paris is the largest hub.
This list covers iso 12100 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 iso 12100 consulting firms based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 92 contacts → | ||||
Indirect evidence “Plus de 20 années d’expérience.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 66 contacts → | ||||
Indirect evidence “Namixis - SSICoor est une société de Conseil et d'optimisation des systèmes du Bâtiment dans les domaines de l'ascenseur, l'escalier mécanique, les fermetures automatiques, le…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 64 contacts → | ||||
Indirect evidence “ASCOREL is a company with a capital of Euros which was created in July 1988.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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. | |||||
| 5 | 41 contacts → | ||||
Indirect evidence “LE GROUPE ACTIIS regroupe des bureaux d'études spécialisés en ingénierie industrielle et informatique.” 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 | 35 contacts → | ||||
Indirect evidence “Aléo Prévention : Votre Partenaire Sécurité au Travail Chez aléo Prévention, nous nous engageons à accompagner les entreprises dans la mise en place d’une culture de sécurité…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 32 contacts → | ||||
Indirect evidence “La société BECS Bureau Etudes en Conseils et Sécurité est une entreprise de référence spécialisée dans la coordination de la Sécurité et de la Protection de la santé sur les…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 31 contacts → | ||||
Indirect evidence “Assessing, Managing, Designing, Supporting your projects.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 31 contacts → | ||||
Indirect evidence “AMS Groupe - De la décision à l’action : un seul pas Depuis sa création en 2008, AMS Groupe a développé une approche unique pour répondre aux enjeux RH et QSE des entreprises…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 30 contacts → | ||||
Partial evidence “R&R Consulting provides expert support to secure and accelerate the certification of organisations, aircraft and equipment across the Aerospace & Defence industry- Organisation…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 29 contacts → | ||||
Indirect evidence “Filiale de Æneas Groupe.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 28 contacts → | ||||
Indirect evidence “Bienvenue chez CALESTREME CS, notre société de conseil et d’ingénierie en prévention des risques basée à Pau (64).” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 27 contacts → | ||||
Partial evidence “Cerebris est né d’un constat résultant de plusieurs années dans le monde du consulting : les sociétés de service vendent de la matière grise, mais n’en produisent pas.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 21 contacts → | ||||
Indirect evidence “Doté d’une solide expérience de plus de 20 ans dans le domaine de la prévention des risques professionnels et d’une équipe pluridisciplinaire disposant de référents techniques…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 20 contacts → | ||||
Indirect evidence “Le Bureau d’Etudes LEI a été fondé en 1995 il se positionne dans le domaine du diagnostic immobilier et de la prévention des risques et de la sécurité dans le bâtiment et les…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 19 contacts → | ||||
Indirect evidence “Depuis plus de 30 ans, PROPULS’, cabinet de conseil et de formation, intervient sur l’ensemble du territoire français et à l’international sur les thématiques de la…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 18 contacts → | ||||
Indirect evidence “Créé en 1996 à TOULOUSE sous le nom d'ON LINE SERVICE, son activité est initialement tournée vers l'étude technique et le management industriel, dans les métiers du Courants…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 16 contacts → | ||||
Indirect evidence “Specialized in Enterprise Safety for more than 25 years, we help our clients halve their number of accidents every 2 years.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 15 contacts → | ||||
Indirect evidence “Fondé en AQSE accompagne les entreprises de tous horizons et de toutes tailles dans leurs démarches Qualité, Sécurité et Environnement.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 15 contacts → | ||||
Indirect evidence “Expertam est un bureau d’études spécialisé en diagnostics immobiliers et maîtrise d’œuvre, en développement constant depuis 20 ans.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15 contacts → | ||||
Indirect evidence “Cabinte spécialisé en Management de la Qualité : Mise en place de démarche Qualité (selon tous types de référentiels) Expertise en Management des prcoessus Accompagnement au…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 14 contacts → | ||||
Indirect evidence “QHSE Concept, bureau d’études spécialisé dans la gestion de la Qualité, de l’Hygiène, de la Sécurité et de l’Environnement vous propose d’adapter ses compétences à vos besoins…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 14 contacts → | ||||
Indirect evidence “S'appuyant sur une expérience de 27 ans dans les domaines de la sécurité, de la santé au travail, de la gestion industrielle et d’équipes pluridisciplinaires de plus de 30…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 12 contacts → | ||||
Indirect evidence “OLGHAM est une Société par Actions Simplifiée créée par deux actionnaires issus du monde de la certification aéronautique embarquée.” 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: iso 12100 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 iso 12100 consulting firms.
- Partial evidence
- Its own public description names part of iso 12100 consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name iso 12100 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 607 iso 12100 consulting firms based in France
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Iso 12100 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 607 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 iso 12100 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 “iso 12100 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 iso 12100 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 iso 12100 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, 591 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.
Iso 12100 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 iso 12100 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 iso 12100 consulting firms are there based in France?
RevenueBase identified 607 iso 12100 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?
YSEIS, headquartered in Maisons-Alfort, tops this list with the largest team on record.
Which city has the most iso 12100 consulting firms?
Paris leads with 47 headquartered companies, followed by Lyon (20) and Toulouse (13).
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 591 verified decision-maker contacts tracked across these 607 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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