This selection features large and mid-sized advertising services companies in Hauts-de-Seine, demonstrating a strong concentration of marketing and communication expertise. Havas, for example, is a global communications network, while JCDecaux specializes in outdoor advertising. Solocal provides digital solutions for businesses, and K Particulier focuses on health communication.
The companies are primarily located in Boulogne-Billancourt, which hosts Solocal, K Particulier, and Cityz Media, among others, indicating a geographical cluster for advertising services within the department. Many of these firms, such as JCDecaux (founded 1964) and RC Group (founded 1990), have been established for several decades, contributing to a mature industry presence.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 11,029 | ||||
| 2 |
JCDecauxjcdecaux.com
Global leader in outdoor advertising, specializing in street furniture, transport advertising, and billboard displays worldwide. |
6,312 | |||
| 3 |
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 | |||
| 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 |
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 | |||
| 6 |
DMF sales&marketingdmf.fr
A leading provider of outsourced sales and marketing services in France, specializing in sales force, promotions, merchandising, direct sales, and commercial deployment strategies |
703 | |||
| 7 |
Cityz Mediacityzmedia.fr
It specializes in outdoor communication, providing advertising solutions in various public spaces, including digital screens in shopping centers and buses. |
692 | |||
| 8 |
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 | |||
| 9 |
IMPACT Sales & Marketing Franceagence-impact.com
Specializes in field marketing with sales force, merchandising, and customer experience solutions focused on achieving business objectives. |
533 | |||
| 10 |
Havas Worldwide Parishavasparis.com
Integrated communication agency offering strategic advice across brand culture, retail, reputation, digital transformation, content, and international consulting services. |
481 | |||
| 11 |
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 | |||
| 12 |
MEDIATRANSPORTSmediatransports.com
Manages advertising in public transport networks across French cities, including metros, buses, trams, and over 800 train stations nationwide. |
427 | |||
| 13 |
Armadaagencearmada.com
Specializes in commercial outsourcing including sales force deployment, strategic consulting, and full marketing and sales function externalization with result-based fees. |
410 | |||
| 14 |
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 | |||
| 15 |
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 | |||
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 |
Districom Sales and Marketingdistricomsam.fr
Designing and deploying sales strategies, focusing on sales animation, sales force, and merchandising for various economic sectors. |
343 | |||
| 17 |
GUTENBERGgutenberg.agency
Design, create, produce, and deliver engaging content and packaging solutions supporting brands in retail, fashion, food, and services. |
327 | |||
| 18 |
M6 Unlimitedm6unlimited.fr
M6 Publicit茅 provides customized communication solutions to reach over 32 million French consumers through a wide range of media assets |
323 | |||
| 19 |
FullSIX Groupebetcfullsix.com
Leading independent European communication and marketing consultancy group, specializing in digital and data-centric strategies to enhance client performance and customer communication. |
289 | |||
| 20 |
Extreme Groupextreme.fr
Independent consulting firm specializing in gastronomy, beauty, and societal issues, offering branding, packaging, event management, and digital services to diverse clients globally. |
276 | |||
| 21 |
Clear Channel Francecityzmedia.fr
A major player in outdoor advertising with a presence in 30 countries, offering diverse advertising solutions through 760k advertising displays worldwide |
272 | |||
| 22 |
PJMSsolocal.com
Specializes in multichannel marketing data solutions, ensuring data quality, business growth, ROI control, and lead generation for diverse clients. |
266 | |||
| 23 |
TechSelltechsell.fr
Specializes in recruiting, training, and managing sales teams to enhance brand presence and shopper experience across France retail environments. |
261 | |||
| 24 |
Catalina Marketing Francecatalinamarketing.fr
Catalina France, part of Catalina Marketing Corporation, specializes in personalized communication and relationship marketing leveraging real consumer purchase behavior data globally |
255 | |||
| 25 |
Havas Play 馃嚝馃嚪havasplay.com
Helping brands connect culturally and authentically with people's passions through meaningful stories, content, and engaging experiences. |
243 | |||
| 26 |
McCann Parismccann.fr
Leading French agency of a global advertising network with clients such as L'Or茅al, Nespresso, and Mastercard, operating in over 130 countries |
232 | |||
| 27 |
ComeBack Graphiccomeback.fr
ComeBack is a marketing production agency specializing in customized communication solutions for ambitious brands, optimizing campaigns, managing actions, and innovating with FeedBack tools |
222 | |||
| 28 |
PLSplsfrance.fr
PLS is a Press Agency specializing in Professional Press, offering tailored communication plans for various target audiences within different budgets |
215 | |||
| 29 | 213 | ||||
| 30 |
Qwamplifyqwamplify.com
Qwamplify is a marketing and media solutions company specializing in accelerating purchase decisions for both B2C and B2B clients through unique brand experiences |
194 | |||
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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 12, 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
- Marketing and communications agencies in the Hauts-de-Seine department 235
- 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
- Advertising Services companies in France 2,360
- Advertising Services companies in 脦le-de-France 1,264
- Advertising Services companies in Auvergne-Rh么ne-Alpes 217
- Advertising Services companies in Provence-Alpes-C么te d'Azur 146
- Advertising Services companies in the Rh么ne department 126
- Advertising Services companies in Grand Est 124
- Advertising Services companies in Occitanie 109
- Advertising Services companies in Nouvelle-Aquitaine 106
- Advertising Services companies in Pays de la Loire 96
- Advertising Services companies in Hauts-de-France 91
- Advertising Services companies in the Bouches-du-Rh么ne department 69
- Advertising Services companies in the Nord department 68
- Advertising Services companies in the Gironde department 65
- Advertising Services companies in Brittany 58
- Advertising Services companies in the Loire-Atlantique department 56
- Advertising Services companies in the Haute-Garonne department 45
- Advertising Services companies in the Alpes-Maritimes department 41
- Advertising Services companies in Centre-Val de Loire 41
- Advertising Services companies in Normandy 39
- Advertising Services companies in Paris 832
- Advertising Services companies in Lyon 99
- Advertising Services companies in Boulogne-Billancourt 77
- Advertising Services companies in Levallois-Perret 50
- Advertising Services companies in Bordeaux 41