The companies in Neuilly-sur-Seine are primarily large groups in IT services, consulting, and finance. Noteworthy examples include Altran, now Capgemini Engineering, which offers engineering services, and JCDecaux, a global leader in outdoor advertising. PwC France provides consulting, audit, legal, and tax expertise, while Grant-Thornton France offers audit and financial advisory.
The data shows a strong concentration of established firms, with many founded before the year 2000. For instance, Parfums Christian Dior, founded in 1946, creates luxury fragrances, and Spie batignolles, a major construction player, also has a long history.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Altrancapgemini-engineering.com
Altran, now Capgemini Engineering, offers engineering services Follow them on LinkedIn for updates and insights |
11,652 | |||
| 2 |
Parfums Christian Diordior.com
Creates luxury fragrances and cosmetics, upholding a heritage of innovation and global beauty through meticulous production and cultivation of talent. |
8,660 | |||
| 3 |
JCDecauxjcdecaux.com
Global leader in outdoor advertising, specializing in street furniture, transport advertising, and billboard displays worldwide. |
6,312 | |||
| 4 |
Vulcain Engineering Groupvulcain-eng.com
Provides engineering consulting and project solutions for energy and environmental sectors, delivering technical assistance, expertise, and project management globally. |
5,234 | |||
| 5 |
Spie batignollesspiebatignolles.fr
A major player in building, infrastructure, and services, emphasizing trust, initiative, and collective effort for projects aligned with social and environmental challenges |
4,459 | |||
| 6 |
PwC Francepwc.fr
Offers consulting, audit, legal, and tax expertise, blending technology with multidisciplinary knowledge to accelerate sustainable business transformation for organizations. |
4,109 | |||
| 7 |
Scalianscalian.com
A global company founded in 1989 with 3 business lines focusing on Digital Transformation, Digital Systems, and Operations Performance across various countries |
4,098 | |||
| 8 |
Grant-Thornton Francegrantthornton.fr
Provides audit, financial advisory, operational consulting, legal and tax advice, and sustainable transformation services to French businesses. |
2,342 | |||
| 9 |
Linedatalinedata.com
Provides humanized technology solutions and services for asset management and credit industries, helping clients evolve and operate at high levels. |
2,228 | |||
| 10 |
Infotelinfotel.com
Provides IT and digital transformation consulting for large enterprises, focusing on strategic design, technological expertise, and agile development, from conception to implementation. |
1,894 | |||
| 11 |
GLOBE GROUPE SHOPPER HOUSEglobe-groupe.com
A European group specializing in Shopper Marketing and Sales, helping brands boost sales through New Retail approaches like phygital and shopper-centric strategies |
1,733 | |||
| 12 |
UGCgroupeugc.com
A leading player in the cinema industry with 50 cinemas in France and 7 in Belgium, also involved in film production and series |
1,615 | |||
| 13 | 1,083 | ||||
| 14 |
CMS Francis Lefebvre Avocatscms.law
Provides specialized international legal and tax advisory services covering corporate, employment, and commercial law for major global corporations across diverse industrial sectors. |
958 | |||
| 15 |
American Hospital of Parisamerican-hospital.org
Not-for-profit multispecialty hospital offering advanced medical technology and comprehensive care to local and international patients in Paris. |
860 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
Orangina Suntory Francesuntorybfe.com
A company formerly known as Orangina Suntory France rebranded to Suntory Beverage & Food France in September 2020 Visit their LinkedIn page for more information |
723 | |||
| 17 |
Suntory Beverage & Food Francesuntorybeverageandfood-europe.com
French leader in fruit beverages, produces and innovates with iconic brands like Orangina and Oasis, promoting positive and sustainable practices. |
723 | |||
| 18 |
Square Managementsquare-management.com
Consulting firm specializing in strategy and organization, supporting transformation projects across multiple sectors with expert teams and research. |
696 | |||
| 19 |
Laboratoires Dermatologiques d'Uriageuriage.fr
French dermo-cosmetics laboratory, products sold in pharmacies and drugstores in France and over 80 countries, part of Puig group's dermo-cosmetics division. |
679 | |||
| 20 |
Gaumonttaplink.cc
Global film and television production company with extensive film library, award-winning series, and diverse animated content for international audiences. |
671 | |||
| 21 |
Almaalmapay.com
Provide Buy Now Pay Later services enabling customers to purchase products immediately and pay over time, boosting sales effectively. |
648 | |||
| 22 |
PwC Soci茅t茅 d'Avocatspwcavocats.com
Provides integrated legal, tax, and labor law services within a global network, combining industry expertise with strategic consulting and financial auditing. |
639 | |||
| 23 |
Flowbird Groupflowbird.com
Provides frictionless technology solutions for urban mobility, parking, and transport across 4,350 cities in 80 countries, making travel easier, safer, and faster. |
628 | |||
| 24 |
maltem Parismaltem.com
Provides digital strategy, data factory, agile technology, and cybersecurity services globally across banking, insurance, energy, and media sectors for sustainable societal impact. |
598 | |||
| 25 |
ACT-ON GROUPactongroup.com
Consulting and services company specializing in human resources, data, and technology to support organizational, digital, and cultural transformation projects. |
593 | |||
| 26 |
Groupe Guinot - Mary Cohrguinot.com
Global leader in professional beauty care, manufacturing advanced skincare products and providing specialized aesthetic treatments across seventeen thousand international beauty institutes and franchises. |
531 | |||
| 27 |
AMEXIOamexiogroup.com
Digital transformation partner specializing in Enterprise Content Management, Customer Communication Management, and Customer Experience Management, prioritizing human excellence for successful outcomes |
477 | |||
| 28 |
Christoflechristofle.com
A leading maison collaborates with designers to create contemporary pieces, blending heritage with modernity in stunning art de la table |
445 | |||
| 29 |
RAINBOW PARTNERS GROUPrainbowpartners.com
Multispecialist consulting group with global presence, offering expertise in finance, industry, data, AI, blockchain, cybersecurity, and digital transformation for large clients. |
445 | |||
| 30 |
QUANTEAM (RAINBOW PARTNERS Group)quanteam.fr
Supports corporate clients across the Front-to-Back chain, in evolving their business activities and transformation projects, with business and IT competence. |
368 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
More company lists in Neuilly-sur-Seine
- The largest companies in Neuilly-sur-Seine 447
- IT services companies in Neuilly-sur-Seine 87
- Professional services firms in Neuilly-sur-Seine 79
- IT Services and IT Consulting companies in Neuilly-sur-Seine 76
- Consulting firms in Neuilly-sur-Seine 73
- Business Consulting and Services companies in Neuilly-sur-Seine 48
- Advertising Services companies in Neuilly-sur-Seine 37
- Marketing and communications agencies in Neuilly-sur-Seine 33
- Companies with in-house R&D in Neuilly-sur-Seine 31
- SaaS companies in Neuilly-sur-Seine 31
- Recruitment and staffing agencies in Neuilly-sur-Seine 26
- Software Development companies in Neuilly-sur-Seine 26
The same list elsewhere in France
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- Multinational companies in Auvergne-Rh么ne-Alpes 1,318
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- Multinational companies in the Rh么ne department 577
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- Multinational companies in Bourgogne-Franche-Comt茅 220
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