Company lists · Data refreshed September 2026

Top 25 Engineering consultancy firms based in France

Name: Engineering consultancy firms based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 5,323 companies tracked

RevenueBase identified 5,323 engineering consultancy firms headquartered in France as of September 2026 and tracks 130,795 professional contacts across them, including 42,345 with verified work emails and 2,288 with mobile numbers. Paris is the largest hub.

This list covers engineering consultancy 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 27, 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 27, 2026 86% judged on-target in blind review

5,323Companies

130,795Contacts tracked

42,345Verified emails

2,288Mobile numbers

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The 25 largest engineering consultancy firms based in France

Ranked by team size

Top 25 of 5,323 engineering consultancy firms based in France, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to engineering consultancy firms: 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	EGIS	Partial evidence	Saint-quentin-en-yvelines, FranceHQ checked Sep 27, 2026	10001+	11,641 contacts →
	Partial evidence “Egis is a leading global architectural, consulting, construction engineering, operations and mobility services firm.” Source: RevenueBase Database · checked Sep 27, 2026
2	Artelia	Strong evidence	Saint-ouen, FranceHQ checked Sep 27, 2026	5,001-10,000	4,612 contacts →
	Strong evidence “Artelia is an international multidisciplinary consultancy, engineering and project management group specialising in mobility, water, energy, building and industry.” Source: RevenueBase Database · checked Sep 27, 2026
3	Ortec Group	Indirect evidence	Aix-en-provence, FranceHQ checked Sep 27, 2026	10001+	3,436 contacts →
	Indirect evidence “En conjuguant depuis sa création audace et rigueur, le groupe Ortec est devenu aujourd’hui un des leaders des services à l’industrie, l’énergie et l’environnement.” Source: RevenueBase Database · checked Sep 27, 2026
4	Eiffage Génie Civil	Indirect evidence	Vélizy-villacoublay, FranceHQ checked Sep 27, 2026	10001+	3,061 contacts →
	Indirect evidence “En France, en Europe et à l’international, Eiffage Génie Civil déploie son expertise et son savoir-faire pour la conception et la construction de nombreux ouvrages.” Source: RevenueBase Database · checked Sep 27, 2026
5	Bouygues Travaux Publics	Indirect evidence	Saint-quentin-en-yvelines Cedex, FranceHQ checked Sep 27, 2026	10001+	1,850 contacts →
	Indirect evidence “CONSTRUIRE DES INFRASTRUCTURES DURABLES Bouygues TP est l’un des leaders mondiaux dans les domaines de l’aménagement du territoire et de la construction d’infrastructures durables.” Source: RevenueBase Database · checked Sep 27, 2026
6	Groupe Ponticelli Frères	Indirect evidence	FranceHQ checked Sep 27, 2026	5,001-10,000	1,829 contacts →
	Indirect evidence “The Ponticelli Frères Group is one of the main European service suppliers to companies in the energy (oil and gas, nuclear, renewable energy), industrial (chemical, steelworks…” Source: RevenueBase Database · checked Sep 27, 2026
7	Fortil	Partial evidence	La Seyne-sur-mer, FranceHQ checked Sep 27, 2026	1,001-5,000	1,623 contacts →
	Partial evidence “Fortil is an engineering group and technology consulting, a model designed by entrepreneurial engineers.” Source: RevenueBase Database · checked Sep 27, 2026
8	Freyssinet	Partial evidence	Rueil-malmaison, FranceHQ checked Sep 27, 2026	5,001-10,000	1,514 contacts →
	Partial evidence “Founded over 70 years ago by Eugène Freyssinet, the inventor of prestressing, Freyssinet brings together an unrivalled range of skills in the specialist civil engineering sector…” Source: RevenueBase Database · checked Sep 27, 2026
9	EKIUM	Indirect evidence	Lyon Cedex 07, FranceHQ checked Sep 27, 2026	1,001-5,000	1,502 contacts →
	Indirect evidence “Welcome to Ekium!” Source: RevenueBase Database · checked Sep 27, 2026
10	Vulcain Engineering Group	Partial evidence	Neuilly-sur-seine, FranceHQ checked Sep 27, 2026	5,001-10,000	1,496 contacts →
	Partial evidence “Vulcain Engineering Group is a multi-specialist engineering and consulting group serving industrial companies across the globe, focused on critical sectors: energy, health…” Source: RevenueBase Database · checked Sep 27, 2026
11	Ginger	Indirect evidence	Élancourt, FranceHQ checked Sep 27, 2026	1,001-5,000	1,259 contacts →
	Indirect evidence “Le groupe Ginger est le leader français de l’ingénierie indépendante et engagée.” Source: RevenueBase Database · checked Sep 27, 2026
12	Soletanche Bachy	Indirect evidence	Rueil-malmaison, FranceHQ checked Sep 27, 2026	5,001-10,000	1,222 contacts →
	Indirect evidence “Soletanche Bachy is a world benchmark in foundations and soil technologies, and is involved in over projects every year.” Source: RevenueBase Database · checked Sep 27, 2026
13	BTP Consultants	Partial evidence	Montigny-le-bretonneux, FranceHQ checked Sep 27, 2026	201-500	1,066 contacts →
	Partial evidence “BTP Consultants est un bureau de ̂, et présent à l'échelle nationale depuis plus de.” Source: RevenueBase Database · checked Sep 27, 2026
14	T&s Technology & Strategy	Indirect evidence	Schiltigheim, FranceHQ checked Sep 27, 2026	1,001-5,000	922 contacts →
	Indirect evidence “Fondée en 2008, T&S est une entreprise spécialisée dans l'ingénierie, le digital et le conseil.” Source: RevenueBase Database · checked Sep 27, 2026
15	SETEC	Indirect evidence	Paris Cedex 12, FranceHQ checked Sep 27, 2026	1,001-5,000	816 contacts →
	Indirect evidence “setec, groupe d’ingénierie pluridisciplinaire français, réalise des projets complexes de construction à travers le monde, grâce à l'excellence technique reconnue de ses 2400…” Source: RevenueBase Database · checked Sep 27, 2026
16	Antea Group - France	Indirect evidence	Olivet, FranceHQ checked Sep 27, 2026	1,001-5,000	737 contacts →
	Indirect evidence “Antea Group est une société internationale d’ingénierie et de conseil en environnement.” Source: RevenueBase Database · checked Sep 27, 2026
17	Parlym	Partial evidence	Estaque, FranceHQ checked Sep 27, 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 27, 2026
18	Foure Lagadec	Indirect evidence	Le Havre, FranceHQ checked Sep 27, 2026	1,001-5,000	718 contacts →
	Indirect evidence “Building on its industrial heritage, its strong ties to the Snef Group, and its commitment to innovation, Fouré Lagadec continues to evolve to meet the technical and energy…” Source: RevenueBase Database · checked Sep 27, 2026
19	Groupe Intm	Indirect evidence	Levallois-perret, FranceHQ checked Sep 27, 2026	1,001-5,000	714 contacts →
	Indirect evidence “Le Groupe INTM est une société de conseil et de services en ingénierie numérique, dont le positionnement s'inscrit depuis plusieurs années dans une volonté de proximité, d'écoute…” Source: RevenueBase Database · checked Sep 27, 2026
20	Sixense Group	Indirect evidence	Rueil Malmaison, FranceHQ checked Sep 27, 2026	501-1,000	662 contacts →
	Indirect evidence “At Sixense, our mission is to monitor the condition and behaviour of construction sites, buildings and infrastructure assets, optimise maintenance and allow continuity of…” Source: RevenueBase Database · checked Sep 27, 2026
21	Aptiskills	Indirect evidence	92300 Levallois Perret, FranceHQ checked Sep 27, 2026	1,001-5,000	660 contacts →
	Indirect evidence “Depuis sa création en 2013, AptiSkills s’est imposée comme un acteur de référence avec plus de 10 agences réparties sur toute la France.” Source: RevenueBase Database · checked Sep 27, 2026
22	CAP Ingelec	Indirect evidence	Mérignac, FranceHQ checked Sep 27, 2026	501-1,000	643 contacts →
	Indirect evidence “Groupe international d’Ingénierie & Réalisation, spécialisé dans les bâtiments complexes, nous assurons principalement des missions clés en main sur des projets de construction…” Source: RevenueBase Database · checked Sep 27, 2026
23	SCE Aménagement & Environnement	Indirect evidence	Nantes Cedex 2, FranceHQ checked Sep 27, 2026	501-1,000	596 contacts →
	Indirect evidence “SCE works closely for public and private actors on their sustainable territorial development projects.” Source: RevenueBase Database · checked Sep 27, 2026
24	Prime Engineering France	Partial evidence	Boulogne Billancourt, FranceHQ checked Sep 27, 2026	501-1,000	581 contacts →
	Partial evidence “PRIME Engineering est l’un des acteurs incontournables du conseil en ingénierie.” Source: RevenueBase Database · checked Sep 27, 2026
25	Fondasol	Indirect evidence	Avignon, FranceHQ checked Sep 27, 2026	501-1,000	522 contacts →
	Indirect evidence “le Groupe Fondasol accompagne les projets de construction et d’aménagement du territoire sur l'ensemble de ses domaines d’expertises.” Source: RevenueBase Database · checked Sep 27, 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: engineering consultancy 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 engineering consultancy firms.
Partial evidence: Its own public description names part of engineering consultancy firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name engineering consultancy 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 5,323 engineering consultancy firms based in France

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Engineering consultancy firms based in France at a glance

As of Sep 27, 2026

32.4%Verified-email coverage

1.7%Mobile-number coverage

24.6Average contacts per company

1-10Median size (employees)

9.3%Largest-city concentration · Paris

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

3,363

11-50

1,388

51-200

376

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 29.0d

24,4570–30

16,68431–60

1,06461–90

990–180

131180+

Company record updated

Median 86.0d

00–30

29,41131–60

51,61561–90

44,13190–180

5,638180+

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 engineering consultancy 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 “engineering consultancy 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 engineering consultancy 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 engineering consultancy 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, 42,345 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 27, 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.

Engineering consultancy 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 engineering consultancy 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 engineering consultancy firms are there based in France?

RevenueBase identified 5,323 engineering consultancy 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?

EGIS, headquartered in France, tops this list with the largest team on record.

Which city has the most engineering consultancy firms?

Paris leads with 497 headquartered companies, followed by Lyon (139) and Toulouse (77).

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 42,345 verified decision-maker contacts tracked across these 5,323 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 27, 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.