Company lists · Data refreshed September 2026

Top 25 Prompt engineering services companies based in France

Name: Prompt engineering services companies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 86 companies tracked

RevenueBase identified 86 prompt engineering services companies headquartered in France as of September 2026 and tracks 2,121 professional contacts across them, including 749 with verified work emails. Lyon is the largest hub.

This list covers prompt engineering services companies 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 17, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

86Companies

2,121Contacts tracked

749Verified emails

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The 25 largest prompt engineering services companies based in France

Ranked by team size

Top 25 of 86 prompt engineering services companies based in France, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to prompt engineering services companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Parlym	Partial evidence	Estaque, FranceHQ checked Sep 17, 2026	1,001-5,000	732 contacts →
	Partial evidence “For over 50 years the Parlym Group has managed to establish itself as a major player in industrial engineering all over the world.” Source: RevenueBase Database · checked Sep 17, 2026
2	Ep2c	Indirect evidence	Balma, FranceHQ checked Sep 17, 2026	501-1,000	211 contacts →
	Indirect evidence “EP2C recruits talents looking for an international career.” Source: RevenueBase Database · checked Sep 17, 2026
3	DSI Group	Partial evidence	Massy, FranceHQ checked Sep 17, 2026	51-200	144 contacts →
	Partial evidence “As part of the french consulting group DSI GROUP, DSI GLOBAL SERVICES is an engineering services company.” Source: RevenueBase Database · checked Sep 17, 2026
4	TVA Engineering	Partial evidence	Antony, FranceHQ checked Sep 17, 2026	51-200	73 contacts →
	Partial evidence “Since 1988, TVA Engineering member of TVA Group has carried its expertise into industrial applications of numerous sectors that are equally demanding in technical expertise…” Source: RevenueBase Database · checked Sep 17, 2026
5	Domea SAS	Partial evidence	Noisy-le-roi, FranceHQ checked Sep 17, 2026	51-200	37 contacts →
	Partial evidence “Domea is an engineering company specialised in technical assistance, which operates in two disciplines - Construction and commissioning in industry - Studies and works in the…” Source: RevenueBase Database · checked Sep 17, 2026
6	Axyon Ingénierie	Indirect evidence	Collégien, FranceHQ checked Sep 17, 2026	51-200	33 contacts →
	Indirect evidence “AXYON est une société d'ingénierie et d'expertise technique qui existe depuis plus de 30 ans dans les secteurs de l'INDUSTRIE et de la CONSTRUCTION.” Source: RevenueBase Database · checked Sep 17, 2026
7	Crea Concept	Indirect evidence	Portets, FranceHQ checked Sep 17, 2026	11-50	31 contacts →
	Indirect evidence “Depuis plus de 20 ans,CREA CONCEPT accompagne les industriels, les entreprises, les collectivités et les maîtres d'ouvrage dans la réussite de leurs projets grâce à une offre…” Source: RevenueBase Database · checked Sep 17, 2026
8	Actech Innovation	Indirect evidence	Beaucouzé, FranceHQ checked Sep 17, 2026	11-50	27 contacts →
	Indirect evidence “Bureau d’études en Ingénierie Mécanique, ACTECH accompagne ses clients dans le développement de leurs projets techniques.” Source: RevenueBase Database · checked Sep 17, 2026
9	Artxbat	Indirect evidence	Paris, FranceHQ checked Sep 17, 2026	11-50	23 contacts →
	Indirect evidence “ArtxBat, cabinet de maitrise d'œuvre et bureau d'études techniques basé à Paris et Sautron vous accompagne dans les missions suivantes : · Maîtrise d'œuvre de conception …” Source: RevenueBase Database · checked Sep 17, 2026
10	3c Ingénierie	Indirect evidence	Saint Andre Les Vergers, FranceHQ checked Sep 17, 2026	11-50	22 contacts →
	Indirect evidence “Le cabinet 3C Ingénierie a été créé en juin 2011 et compte aujourd'hui une vingtaine de collaborateurs, basés à Saint-André-Les-Vergers (Troyes, 10).” Source: RevenueBase Database · checked Sep 17, 2026
11	AGI Ingénierie	Indirect evidence	Sillingy, FranceHQ checked Sep 17, 2026	11-50	20 contacts →
	Indirect evidence “Les compétences d’AGI Ingénierie s’étendent sur tous les domaines d’activité de la construction : Assistance à Maître d’Ouvrage, Maîtrise d'Oeuvre de conception, Maîtrise d'oeuvre…” Source: RevenueBase Database · checked Sep 17, 2026
12	HDM Ingenierie SAS	Indirect evidence	Sainghin-en-mélantois, FranceHQ checked Sep 17, 2026	11-50	18 contacts →
	Indirect evidence “Bureau d’etudes techniques de la conception a la realisation” Source: RevenueBase Database · checked Sep 17, 2026
13	Projenor Sarl	Indirect evidence	La Frenaye, FranceHQ checked Sep 17, 2026	11-50	16 contacts →
	Indirect evidence “Bureau d'études et d'ingénierie fort de plus de 40 années d'expérience dans les domaines de l'industrie pétrochimique, de l'automobile ou du bâtiment, PROJENOR vous accompagne sur…” Source: RevenueBase Database · checked Sep 17, 2026
14	XL Ingénierie	Indirect evidence	Paris, FranceHQ checked Sep 17, 2026	11-50	9 contacts →
	Indirect evidence “Depuis 2009, nous concevons vos projets dès la réalisation du Permis de Construire avec l’appui de nos ingénieurs structures, fluides, thermiques et électriques.” Source: RevenueBase Database · checked Sep 17, 2026
15	St2i France	Indirect evidence	Hoenheim, FranceHQ checked Sep 17, 2026	1-10	6 contacts →
	Indirect evidence “ST2i vous accompagne depuis 15 ans, dans l’élaboration vos projets industriels à dominante électrique, électrotechnique, automatisme et instrumentation dans les secteurs de…” Source: RevenueBase Database · checked Sep 17, 2026
16	Synergie Engineering	Partial evidence	Lyon, FranceHQ checked Sep 17, 2026	51-200	5 contacts →
	Partial evidence “SYNERGIE ENGINEERING-ALTIKA regroupe nationalement des bureaux d’études spécialisés en Ingénierie Industrielle.” Source: RevenueBase Database · checked Sep 17, 2026
17	Altherm KS Groupe	Indirect evidence	Bischheim, FranceHQ checked Sep 17, 2026	1-10	5 contacts →
	Indirect evidence “ALTHERM : BUREAU D’ÉTUDES STRUCTURE, FLUIDES ET ÉCONOMIES D’ÉNERGIES Que le besoin vienne d’acteurs du secteur de la construction ou directement de tout autre particulier ou…” Source: RevenueBase Database · checked Sep 17, 2026
18	Arnould Bureau D'etudes	Indirect evidence	Charleville-mézières, FranceHQ checked Sep 17, 2026	1-10	4 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
19	Ameau Ingénierie	Indirect evidence	Le Haillan, FranceHQ checked Sep 17, 2026	1-10	3 contacts →
	Indirect evidence “Créée en 2006, notre bureau d'étude exerce son activité dans l'ingénierie publique et privée.” Source: RevenueBase Database · checked Sep 17, 2026
20	PRO GC	Partial evidence	Toulouse, FranceHQ checked Sep 17, 2026	1-10	3 contacts →
	Partial evidence “Depuis plus de 15 ans, le bureau d'étude PRO GC accompagne ses clients, architectes et maîtres d’œuvre, promoteurs immobiliers, institutionnels privés et publics, pour la…” Source: RevenueBase Database · checked Sep 17, 2026
21	Avnir Environment	Indirect evidence	Lyon, FranceHQ checked Sep 17, 2026	11-50	3 contacts →
	Indirect evidence “Spécialisés depuis plus de 14 ans en ingénierie à haute valeur ajoutée, nous vous accompagnons sur toutes les phases de développement de vos projets d’ingénierie en intégrant dans…” Source: RevenueBase Database · checked Sep 17, 2026
22	D-Signare	Indirect evidence	Bordeaux, FranceHQ checked Sep 17, 2026	1-10	2 contacts →
	Indirect evidence “D-signare est un bureau d'études et de design basé à Bordeaux.” Source: RevenueBase Database · checked Sep 17, 2026
23	Aset Ingénierie	Indirect evidence	Domont, FranceHQ checked Sep 17, 2026	1-10	2 contacts →
	Indirect evidence “L’expérience des métiers de l’ingénierie au service de vos projets.” Source: RevenueBase Database · checked Sep 17, 2026
24	Villemagne Contracting	Indirect evidence	Grezieu Le Marche, FranceHQ checked Sep 17, 2026	1-10	1 contacts →
	Indirect evidence “VILLEMAGNE CONTRACTING, est une entreprise experte en ingénierie industrielle, assistance à maîtrise d'ouvrage, maîtrise d'oeuvre, contractant général pour les industries à Saint…” Source: RevenueBase Database · checked Sep 17, 2026
25	HL Process	Indirect evidence	Marigny, FranceHQ checked Sep 17, 2026	1-10	1 contacts →
	Indirect evidence “Vous êtes un Industriel, un Investisseur de l’Industrie Alimentaire et … … Vous avez un projet, voici ma mission : FAISABILITÉ - Etudes fonctionnelles - Dimensionnement - Bilans…” Source: RevenueBase Database · checked Sep 17, 2026

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: prompt engineering services companies. 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 prompt engineering services companies.
Partial evidence: Its own public description names part of prompt engineering services companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name prompt engineering services companies. 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 86 prompt engineering services companies based in France

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Prompt engineering services companies based in France at a glance

As of Sep 17, 2026

35.3%Verified-email coverage

24.7Average contacts per company

1-10Median size (employees)

5.8%Largest-city concentration · Lyon

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 86 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 prompt engineering services companies, 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 “prompt engineering services companies”. 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 prompt engineering services companies), 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 prompt engineering services companies, 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, 749 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 17, 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.

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 prompt engineering services companies, 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 prompt engineering services companies are there based in France?

RevenueBase identified 86 prompt engineering services companies 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?

Parlym, headquartered in Marseille, tops this list with the largest team on record.

Which city has the most prompt engineering services companies?

Lyon leads with 5 headquartered companies, followed by Paris (5) and Toulouse (3).

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 749 verified decision-maker contacts tracked across these 86 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 17, 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.