Company lists · Data refreshed November 2026

Top 25 Infrastructure optimization consulting companies based in France

Name: Infrastructure optimization consulting companies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 3,414 companies tracked

RevenueBase identified 3,414 company matches for infrastructure optimization consulting companies associated with France as of November 2026 and tracks 62,727 professional contacts across them, including 23,912 with verified work emails. Paris is the largest hub.

This list covers company matches for infrastructure optimization consulting companies associated with France, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

3,414Companies

62,727Contacts tracked

23,912Verified emails

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The 25 largest infrastructure optimization consulting companies based in France

Ranked by team size

Top 25 of 3,414 company matches for infrastructure optimization consulting companies based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Groupe SII	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	5,212 contacts →
	Exact match “Le groupe SII est une société d’ingénierie et de conseil en technologies (ICT) et une entreprise de services numériques (ESN) créée en 1979 par Bernard HUVÉ, ingénieur de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Accenture France	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	1,729 contacts →
	Exact match “Accenture est une entreprise internationale de conseil en management, technologies et externalisation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Vulcain Engineering Group	Exact match	Neuilly-sur-seine, FranceHQ recorded Nov 6, 2026	5,001-10,000	1,705 contacts →
	Exact match “Vulcain Engineering Group is a multi-specialist engineering and consulting group serving industrial companies across the globe, focused on critical sectors: energy, health…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Mc2i	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,693 contacts →
	Exact match “mc2i is an independent consultancy in Information System.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Solutec	Exact match	Villeurbanne, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,438 contacts →
	Exact match “SOLUTEC: An IT Services Company SOLUTEC is an IT services company specialized in engineering, consulting and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	BTP Consultants	Exact match	Montigny-le-bretonneux, FranceHQ recorded Nov 6, 2026	201-500	1,170 contacts →
	Exact match “BTP Consultants est un bureau de ̂, et présent à l'échelle nationale depuis plus de.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	COGEP	Exact match	Saint-doulchard, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,162 contacts →
	Exact match “Une vision augmentée du conseil au service de votre réussite.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Ikos Group	Exact match	Levallois-perret, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,073 contacts →
	Exact match “JOIN US : contact@ikosconsulting.com IKOS is a leading technology consulting firm specialized in the Railway sector with an additional offer in Energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	AUSY	Exact match	Sèvres Cedex, FranceHQ recorded Nov 6, 2026	5,001-10,000	1,036 contacts →
	Exact match “The story of AUSY by Randstad started in France in 1989.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	T&s Technology & Strategy	Exact match	Schiltigheim, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,014 contacts →
	Exact match “Fondée en 2008, T&S est une entreprise spécialisée dans l'ingénierie, le digital et le conseil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Visiativ	Exact match	Lyon, FranceHQ recorded Nov 6, 2026	1,001-5,000	770 contacts →
	Exact match “Through innovation and digitalisation, Visiativ delivers smarter ways of working that help businesses become more agile, efficient and collaborative.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Micropole	Exact match	Levallois-perret, FranceHQ recorded Nov 6, 2026	1,001-5,000	738 contacts →
	Exact match “An international consulting group specialized in corporate transformation through Data, MICROPOLE partners its clients through a global approach: ‘Data Driven‘ Strategy, Cloud…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Groupe Intm	Exact match	Levallois-perret, FranceHQ recorded Nov 6, 2026	1,001-5,000	727 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Square Management	Exact match	Neuilly Sur Seine, FranceHQ recorded Nov 6, 2026	501-1,000	707 contacts →
	Exact match “Square Management est un cabinet de conseil spécialisé en stratégie et organisation qui accompagne ses clients dans l’anticipation, la conception et la réalisation de leurs…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Aptiskills	Exact match	92300 Levallois Perret, FranceHQ recorded Nov 6, 2026	1,001-5,000	647 contacts →
	Exact match “Depuis sa création en 2013, AptiSkills s’est imposée comme un acteur de référence avec plus de 10 agences réparties sur toute la France.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Efeso Management Consultants	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1,001-5,000	632 contacts →
	Exact match “At EFESO Management Consultants, we partner with industrial leaders to build stronger, more resilient and future ready operations, enabling their organizations to outperform in an…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Prime Engineering France	Exact match	Boulogne Billancourt, FranceHQ recorded Nov 6, 2026	501-1,000	614 contacts →
	Exact match “We are an engineering consulting firm specializing in innovative solutions for large-scale projects across the infrastructure, transportation, energy, and industrial sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Julhiet Sterwen	Exact match	Neuilly Sur Seine, FranceHQ recorded Nov 6, 2026	501-1,000	566 contacts →
	Exact match “julhiet sterwen is a key player in management, human resources and operational consulting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Implid	Exact match	Lyon, FranceHQ recorded Nov 6, 2026	501-1,000	526 contacts →
	Exact match “Depuis plus de 40 ans, nos équipes de spécialistes accompagnent nos clients de petites, moyennes et grandes entreprises, dans le pilotage de leurs organisations, la gestion des…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Norsys	Exact match	Ennevelin, FranceHQ recorded Nov 6, 2026	501-1,000	518 contacts →
	Exact match “La vision du groupe norsys : développer une performance globale de l’entreprise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Ginger Sofreco	Exact match	Clichy, FranceHQ recorded Nov 6, 2026	51-200	506 contacts →
	Exact match “Ginger SOFRECO is an engineering and consulting firm dedicated to international development cooperation and the implementation of industrial projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	KEY Performance Consulting KPC	Exact match	Aix-en-provence, FranceHQ recorded Nov 6, 2026	201-500	420 contacts →
	Exact match “KPC se positionne comme un acteur global capable d’intervenir aussi bien sur des phases amonts (AMOA) que sur des phases d’intégration de logiciels (AMOE): Conseil et Services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	WE	Exact match	Issy Les Moulineaux, FranceHQ recorded Nov 6, 2026	201-500	413 contacts →
	Exact match “We+ est un cabinet de conseil expert en IT, membre de l’écosystème Alan Allman Associates.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Objectware	Exact match	Paris, FranceHQ recorded Nov 6, 2026	501-1,000	409 contacts →
	Exact match “Objectware Group is an IT Services Company (or ESN: Entreprise de Services du Numérique), founded in and dedicated to consulting and IT system engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	B-Hive Engineering	Exact match	Mulhouse, FranceHQ recorded Nov 6, 2026	501-1,000	402 contacts →
	Exact match “Welcome to the Hive!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “infrastructure optimization consulting companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 3,414 infrastructure optimization consulting companies based in France

See the full list, filter by size, metro and specialty, and access 23,912 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure optimization consulting companies based in France at a glance

As of Nov 6, 2026

38.1%Verified-email coverage

18.4Average contacts per company

1-10Median size (employees)

26.8%Largest-city concentration · Paris

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

2,335

11-50

670

51-200

244

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 3,414 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with France whose business descriptions match “infrastructure optimization consulting companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 23,912 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Infrastructure optimization consulting companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “infrastructure optimization consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure optimization consulting companies are there based in France?

RevenueBase identified 3,414 company matches for infrastructure optimization consulting companies associated with France as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Groupe SII tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most infrastructure optimization consulting companies?

Paris leads with 914 company records, followed by Lyon (149) and Toulouse (75).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 23,912 professional contacts with verified work emails tracked across these 3,414 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 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 SmartSearch, 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.