| # | Company | Employees |
|---|---|---|
| 1 |
Capgeminicapgemini.com
Providing technology, data, and design expertise to organizations for business transformation, engineering, and managed operations across diverse industries. |
342,989 |
| 2 |
VINCIvinci.com
Constructs diverse infrastructure, including roads, bridges, and various buildings. Handles civil engineering projects worldwide, from design through to long-term maintenance, applying innovative methods. |
219,000 |
| 3 |
BNP Paribasgroup.bnpparibas
Provides financing, investment, savings, and protection insurance for individuals, businesses, and institutions globally. |
155,716 |
| 4 |
LVMHlvmh.com
Luxury brand ownership; wines, spirits, fashion, leather goods, perfumes, cosmetics, watches, jewelry, selective retail, hospitality, media. |
150,393 |
| 5 |
AXAaxa.com
A multinational company offering various forms of insurance (life, health, general, commercial), reinsurance, and investment management services, operating globally. |
148,548 |
| 6 |
Orangeorange.com
A leading global telecommunications operator offering services to millions of customers and multinational companies across 26 countries |
146,935 |
| 7 |
Stellantisstellantis.com
Develops and manufactures vehicles, focusing on electrification, autonomous driving, software, and sustainable mobility technologies worldwide. |
117,619 |
| 8 |
Carrefourcarrefour.fr
Food, household, electronics, leisure, apparel. Plus banking, insurance, energy, travel, catering, photo services. Stores, online, delivery, pickup options. |
107,234 |
| 9 |
Accoraccor.com
Global network of diverse hotel and resort brands. Guest accommodation experiences. Property owner solutions for development, management, and hospitality investment. |
101,256 |
| 10 |
L'Oréalloreal.com
Creates, manufactures, and markets beauty and personal care products, serving diverse needs from everyday cosmetics to luxury, professional, and dermatological solutions. |
95,229 |
| 11 |
Sanofisanofi.com
Discovers, develops, and delivers innovative medicines and vaccines globally, leveraging R&D and AI to improve human health and build a healthier world. |
93,336 |
| 12 |
Airbusairbus.com
Designing, manufacturing commercial aircraft, advanced satellites, and aerospace systems. Security, defense, crisis response, and future space exploration technologies. |
88,309 |
| 13 |
Schneider Electricse.com
Electrifying, automating, and digitalizing every industry, business, and home to drive efficiency and sustainability for all. |
87,938 |
| 14 |
TotalEnergiestotalenergies.com
Produces and markets oil, natural gas, low-carbon electricity, bioenergies, and renewables; develops energy transition solutions and sustainable products worldwide. |
86,609 |
| 15 |
Crédit Agricolecredit-agricole.com
Leading European banking group offering retail, corporate, investment banking, asset management, insurance, and financing solutions to individuals and businesses. |
76,287 |
| 16 |
EssilorLuxotticaessilorluxottica.com
Production and sale of prescription lenses, fashion frames, and sunglasses through a global retail footprint and extensive wholesale distribution networks. |
76,080 |
| 17 |
Safransafran-group.com
Designs, manufactures, and maintains high-tech systems for aviation (engines, equipment, interiors), defense, and space (propulsion, optics) markets worldwide. |
73,902 |
| 18 |
Danonedanone.com
Produces dairy, plant-based, water, and specialized nutrition products, focusing on health and sustainable practices to deliver food and beverages globally. |
70,424 |
| 19 |
Thalesthalesgroup.com
Multinational specializing in cybersecurity, defense, aerospace, digital identity, and secure communications for governments and industries. |
65,031 |
| 20 |
ArcelorMittalarcelormittal.com
A global leader in steel and mining, producing safe, sustainable steel for various industries, with a focus on research, development, and responsible operations |
63,308 |
| 21 |
Michelinmichelin.com
Pioneering engineered materials, life-changing composites production. Human progress, sustainable world contributions, mobility solutions, and data/AI-based connected offerings. |
56,897 |
| 22 |
Renault Grouprenaultgroup.com
Develops, manufactures, and sells automobiles and light commercial vehicles globally, focusing on electric mobility, new technologies, and sustainable solutions through its diverse brands. |
55,380 |
| 23 |
Bureau Veritasgroup.bureauveritas.com
A global leader in testing, inspection, and certification services, fostering confidence through expertise and independence while addressing crucial societal and environmental challenges |
55,072 |
| 24 |
Veoliaveolia.com
Water management, wastewater treatment, resource recovery. Waste collection, sorting, recycling, hazardous waste processing. Energy generation, distribution, efficiency for industries, municipalities. |
49,296 |
| 25 |
Bouyguesbouygues.com
Constructing diverse infrastructure and buildings, providing energy and facility services, operating media platforms, and delivering telecommunication services globally. |
45,769 |
| 26 |
ENGIEengie.com
Production of renewable electricity, energy infrastructure development and management, and providing energy management and supply to diverse customers, aiming for decarbonization. |
45,706 |
| 27 |
Société Généralesocietegenerale.com
A leading European financial services group offering sustainable growth, innovative financial solutions, and responsible banking to individuals, businesses, and investors worldwide |
44,226 |
| 28 |
Publicis Groupepublicisgroupe.com
Helps businesses with marketing, advertising, and digital transformation, leveraging data and technology to create personalized, integrated solutions for client success. |
41,020 |
| 29 |
Air Liquideairliquide.com
A global leader in gases, technologies, and services for industry and health, focusing on innovation and sustainability for a better future |
40,100 |
| 30 |
Keringkering.com
Management of prestigious fashion and accessories houses. Offerings: high-end ready-to-wear, leather goods, jewelry, eyewear, beauty products. Global luxury goods enterprise. |
38,919 |
| 31 |
Saint-Gobainsaint-gobain.com
Designs, manufactures, distributes materials, services for residential, non-residential, infrastructure markets; provides sustainable, performing, well-being solutions. |
36,697 |
| 32 |
STMicroelectronicsst.com
Designs and manufactures semiconductor microchips for diverse applications including electric cars, industrial systems, data centers, and consumer electronics, aiming for a smarter, greener future. |
35,723 |
| 33 |
Dassault Systèmes3ds.com
Provides software enabling industries to design, simulate, and manage complex products and systems virtually, fostering sustainable innovation before physical creation. |
27,414 |
| 34 |
Hermèshermes.com
Designs, manufactures, and sells high-quality luxury products: leather goods, fashion accessories, clothing, and fragrances, emphasizing artisanal craftsmanship and exclusivity. |
26,494 |
| 35 |
Eurofins Scientificeurofins.com
An international life sciences company offering analytical testing services in food, environmental, pharmaceutical, and cosmetic industries, ensuring safety and authenticity |
24,896 |
| 36 |
Pernod Ricardpernod-ricard.com
Global producer and distributor of a comprehensive portfolio of premium wine and spirits brands across 160 countries, fostering conviviality responsibly. |
19,415 |
| 37 |
Legrandlegrand.com
Global specialist in electrical and digital building infrastructures, providing simple, innovative, sustainable solutions to improve lives and create sustainable buildings worldwide |
14,313 |
| 38 |
Eiffageeiffage.com
Join a close-knit company valuing teamwork, innovation, and individuality to build a human-sized future, welcoming diverse talents to thrive |
7,684 |
| 39 |
Unibail-Rodamco-Westfieldurw.com
Develops, owns, and operates large retail-anchored real estate destinations, including shopping centers, in major cities across Europe and the US. |
4,181 |
| 40 |
Euronexteuronext.com
Leading pan-European market infrastructure, operating regulated exchanges, equity and derivatives markets, fixed income trading, debt and funds listings, clearing, and technology services |
2,168 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
How this list is built
The composition follows Euronext's quarterly reviews of the CAC 40 index, checked against the September 2026 review. Company details come from the Tamtam database, ranked by the number of employees on LinkedIn. Last updated September 30, 2026.
More company lists
100 e-commerce companies in France
The 100 largest French companies selling online: retailers, marketplaces and brands with their own e-shop. Website, industry, city and headcount for each.
100 B2B SaaS companies in France
The 100 largest French B2B software-as-a-service companies, from Dassault Systèmes and Doctolib to Pennylane and Mirakl, with website, industry and headcount.
100 AI startups in France
The 100 largest AI-native startups founded in France since 2015, from Mistral AI and Hugging Face to Doctrine and Dust, with website, city and headcount.
100 AI startups in the United States
The 100 largest AI-native startups in the US founded since 2015, from Perplexity and Harvey to Glean and Sierra, with website, city and headcount.
100 fintech companies in the United Kingdom
The 100 largest UK fintech companies, from Revolut, Wise and Monzo to Checkout.com and GoCardless, with website, city and headcount.
100 fintech companies in France
The 100 largest French fintech companies, from Worldline and Qonto to Alan, Ledger and Swile, with website, city and headcount.
100 healthtech companies in France
The 100 largest French healthtech and medtech companies, from Doctolib and bioMérieux to Withings and Alan, with website, city and headcount.
100 direct-to-consumer brands in France
The 100 largest digitally native French D2C brands founded since 2008, from Sézane and Jimmy Fairly to Le Slip Français and Typology.
100 B2B SaaS companies in the United Kingdom
The 100 largest UK B2B software-as-a-service companies, from Sage and The Access Group to Darktrace, Quantexa and Synthesia, with website, city and headcount.