The companies listed operate in marketing, advertising, and business services, primarily in the Hauts-de-Seine department. These are mostly large firms, with a significant number employing over 1,000 people. Many of these companies focus on digital solutions and customer experience.
Havas is a global communications network, while Solocal provides digital solutions to businesses in France. SQLI specializes in IT services and digital transformation, and K Particulier is a health communication agency. Davidson consulting focuses on management consulting and technology, and GLOBE GROUPE SHOPPER HOUSE specializes in shopper marketing. A notable pattern is the concentration of headquarters in Boulogne-Billancourt and Levallois-Perret.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 11,029 | ||||
| 2 |
Solocalsolocal.com
Providing digital solutions to businesses in France through Search Local and Digital Marketing services, focusing on local content, personalized marketing, and growth acceleration |
2,935 | |||
| 3 | 2,854 | ||||
| 4 |
K Particulierk-particulier.fr
Specialized Health Communication Agency focused on Medical Education, producing high-value content for healthcare professionals in areas such as professional obligations, doctor-patient communication, and digital platforms |
2,462 | |||
| 5 |
Davidson consultingdavidson.fr
A management consulting and technology company with over 2,000 employees, expanding internationally with a focus on employee well-being and creativity |
1,843 | |||
| 6 |
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 | |||
| 7 |
MEDIAPOSTmediaposte.fr
Targeted distribution of advertising mail and proximity communication solutions using geographical and behavioral data to support client acquisition and loyalty across France. |
1,306 | |||
| 8 |
FMG SALES & MARKETINGfmgsam.fr
With 20 years of experience, we are a leading provider of outsourced sales and marketing solutions in France, offering innovative and efficient commercial strategies for top companies |
1,084 | |||
| 9 |
Datawords Groupdatawords.com
Datawords specializes in delivering multicultural and locally relevant brand content, managing e-commerce websites, launching multicultural campaigns, and driving omnichannel performance globally |
946 | |||
| 10 |
SI (Séminaire International)seminaire-international.com
Specializing in business tourism, we provide turnkey stays and custom programs for memorable national and international events, offering creativity and exclusive locations |
757 | |||
| 11 |
RC Grouprc-group.fr
Designs, manufactures, and installs diverse point-of-sale communication supports for luxury, cosmetics, pharmacy, and spirits sectors, adaptable to client needs. |
583 | |||
| 12 |
IMPACT Sales & Marketing Franceagence-impact.com
Specializes in field marketing with sales force, merchandising, and customer experience solutions focused on achieving business objectives. |
533 | |||
| 13 |
QUINZE MAI15-mai.com
Provides tailored event services supporting professional and private organizations with strategic, financial, and meaningful event experiences across Europe. |
501 | |||
| 14 |
Chic.agencechic.com
A luxury creative design and communication agency for premium brands, offering strategy, branding, product development, and marketing campaigns worldwide |
493 | |||
| 15 |
Havas Worldwide Parishavasparis.com
Integrated communication agency offering strategic advice across brand culture, retail, reputation, digital transformation, content, and international consulting services. |
481 | |||
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 |
Être Étudiant
A media platform connecting over 1 million students in France through memes, advice, news, and student discounts on social media |
447 | |||
| 17 |
TBWA Paristbwa-paris.com
Applies a 'disruption' philosophy, conceptualized by Jean-Marie Dru, to marketing strategies, documented in several books. Develops innovative Media Arts approaches. |
443 | |||
| 18 |
PagesJaunes SApagesjaunes.fr
Local search leader, mobile apps, print directories, phone information services, online classifieds, and website creation for businesses. |
435 | |||
| 19 |
Indépendantlinkedin.com
The company specializes in digital strategy and community management for clients in the automotive, entertainment, and petrochemical industries Contact jean@van-ruymbekecom |
412 | |||
| 20 | 402 | ||||
| 21 |
SARAWAK FRANCEsarawak.fr
Specializing in outsourced sales forces, animations in stores, and maximizing brand performance through motivated talents for consumer-centric results |
392 | |||
| 22 |
MSMjunemarketing.fr
A consumer-centric marketing agency specializing in market research, strategic planning, ideation, and digital tools to understand, inspire, and engage organizations for future success |
391 | |||
| 23 |
Journeylagalaxee.com
LAGALAXEE designs and produces meaningful communication experiences through expert advice and teamwork, specializing in audiovisual content, interactive solutions, technical event services, and communication space design |
371 | |||
| 24 |
MIPwearemip.com
A hybrid B2B communication agency specializing in audiovisual, digital, and experiential content creation for clients such as ArianeGroup and Thales |
363 | |||
| 25 |
BIBICHE (ex-Makassar)makassar.fr
A corporate communication agency specializing in branding, B2B communication, internal communication, and CSR for industrial and networked companies, founded in 2002 |
348 | |||
| 26 |
WMH Projectwmhproject.com
An agile communications agency integrating talents to create brand experiences, focusing on commitment and human capital through events, design, travel, and PR services |
347 | |||
| 27 |
Districom Sales and Marketingdistricomsam.fr
Designing and deploying sales strategies, focusing on sales animation, sales force, and merchandising for various economic sectors. |
343 | |||
| 28 |
GUTENBERGgutenberg.agency
Design, create, produce, and deliver engaging content and packaging solutions supporting brands in retail, fashion, food, and services. |
327 | |||
| 29 |
NEXTEDIAnextedia.com
The Nextedia Group specializes in Cybersecurity, Cloud, Digital Workspace, and Customer Experience, providing expertise and solutions to large companies across various sectors |
305 | |||
| 30 |
HRC
A corporate communication consultancy firm providing strategies, editorial direction, communication plans, brand identity, reputation management, change management, content creation, website development, and managerial training |
295 | |||
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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 the Hauts-de-Seine department
- The largest companies in the Hauts-de-Seine department 5,160
- Multinational companies in the Hauts-de-Seine department 1,231
- IT services companies in the Hauts-de-Seine department 737
- IT Services and IT Consulting companies in the Hauts-de-Seine department 706
- Professional services firms in the Hauts-de-Seine department 629
- Consulting firms in the Hauts-de-Seine department 563
- Companies with in-house R&D in the Hauts-de-Seine department 510
- SaaS companies in the Hauts-de-Seine department 389
- Business Consulting and Services companies in the Hauts-de-Seine department 304
- Software Development companies in the Hauts-de-Seine department 301
- Retail chains in the Hauts-de-Seine department 292
- Manufacturers in the Hauts-de-Seine department 285
- Advertising Services companies in the Hauts-de-Seine department 281
- Subscription businesses in the Hauts-de-Seine department 228
- Hardware manufacturers in the Hauts-de-Seine department 199
- Financial services firms in the Hauts-de-Seine department 198
- Companies with a mobile app in the Hauts-de-Seine department 189
- Critical infrastructure operators in the Hauts-de-Seine department 169
- AI companies in the Hauts-de-Seine department 159
- Education providers in the Hauts-de-Seine department 159
- Cybersecurity companies in the Hauts-de-Seine department 154
- Distributors and wholesalers in the Hauts-de-Seine department 154
- Recruitment and staffing agencies in the Hauts-de-Seine department 152
- Energy companies in the Hauts-de-Seine department 144
The same list elsewhere in France
- Marketing and communications agencies in France 2,084
- Marketing and communications agencies in Île-de-France 1,174
- Marketing and communications agencies in Auvergne-Rhône-Alpes 205
- Marketing and communications agencies in Provence-Alpes-Côte d'Azur 128
- Marketing and communications agencies in the Rhône department 102
- Marketing and communications agencies in Nouvelle-Aquitaine 91
- Marketing and communications agencies in Grand Est 85
- Marketing and communications agencies in Occitanie 85
- Marketing and communications agencies in Hauts-de-France 75
- Marketing and communications agencies in Pays de la Loire 72
- Marketing and communications agencies in the Bouches-du-Rhône department 63
- Marketing and communications agencies in the Nord department 57
- Marketing and communications agencies in the Gironde department 51
- Marketing and communications agencies in Brittany 46
- Marketing and communications agencies in the Loire-Atlantique department 41
- Marketing and communications agencies in the Alpes-Maritimes department 39
- Marketing and communications agencies in Centre-Val de Loire 38
- Marketing and communications agencies in Paris 812
- Marketing and communications agencies in Lyon 78
- Marketing and communications agencies in Boulogne-Billancourt 60
- Marketing and communications agencies in Levallois-Perret 40
- Marketing and communications agencies in Marseille 39
- Marketing and communications agencies in Neuilly-sur-Seine 33
- Marketing and communications agencies in Bordeaux 32