| # | Company | Employees |
|---|---|---|
| 1 |
ADDITIouest-france.fr
Local advertising and media company focusing on digital innovation, client orientation, and professional development within a strong regional group. |
729 |
| 2 |
VIRAGE CONSEILvirageconseil.com
Specializes in business development, sales growth, professional training, and commercial animation with a strong presence in telemarketing and merchandising. |
262 |
| 3 |
Groupe Actialeactiale.fr
With 35 years of experience, the company partners with clients to increase product sales through knowledge of distribution channels and ethical practices |
244 |
| 4 |
Groupe Creativegroupe-creative.fr
Works with clients on IT and digital transformation projects, offering expertise in consulting, creation, development, research, and innovation across various digital domains. |
232 |
| 5 |
Mediaveille - MV Groupyumens.fr
Provides online marketing consulting and services including web analytics, SEO, social media, web marketing, strategic monitoring, and training. |
189 |
| 6 |
HEBDOS COMMUNICATIONhebdoscom.com
Advertising sales for 71 regional weekly newspapers, 14 free information papers, and 71 websites targeting loyal, family readership. |
158 |
| 7 |
ARTEFACTOartefacto-ar.com
Creation of augmented reality virtual reality and 3D visualization solutions through SaaS software and professional production services for architecture urban planning and industry |
143 |
| 8 | 100 | |
| 9 |
Agence Klass Kaerennklass-kaerenn.fr
Specialized in hosting and modeling services since 2009, this agency in the Grand Ouest provides qualified staff for various events |
84 |
| 10 |
Fleet Services Groupfleetservicesgroup.com
This company offers Sales & Marketing services, specialized in IT It provides go-to-market strategies, lead generation, inside sales, and consulting for large companies |
71 |
| 11 |
Agence Whywhy.fr
This company specializes in strategic communication, focusing on asking the right questions to help brands discover and enhance their purpose, creativity, and effectiveness in marketing |
65 |
| 12 |
Soledis - Agence e-commercesoledis.com
A web agency specializing in eCommerce, offering services in digital strategy, web integration, development, hosting, support, and web marketing solutions |
52 |
| 13 |
Make the Gradehubs.li
A B2B agency supporting business growth through client acquisition, offering strategies in SEO, marketing, and sales to boost online presence and drive revenue |
44 |
| 14 |
SO' EVENT/DESIGN/INNOVATIONso-communication.fr
Specializing in communication furniture, technical tents, and print services, we assist clients nationwide with their communication development and event needs |
39 |
| 15 | 28 | |
| 16 |
LA GRIFFElagriffe.io
A communications agency located in Rennes, Reims, and Paris specializing in tailored digital solutions and creative opportunities by combining diverse talents like designers and engineers |
22 |
| 17 |
Yumens BtoB - MV Groupyumensbtob.fr
A B2B marketing and digital strategy consulting agency assisting SMEs and ETIs in business growth with over 220 clients served |
20 |
| 18 |
AGENCE MTCagencemtc.com
A creative agency, since 1999, specializing in event planning, business travel, learning expeditions, and brand communication with a strategic vision and emotional impact |
17 |
| 19 |
Net Hélium | Marketing Relationnel & CRMnet-helium.fr
Net Helium assists businesses in boosting sales through digital channels by offering SAAS software solutions and personalized online sales strategy consulting |
15 |
| 20 |
ID interactive Franceid-interactive.fr
A digital agency founded in 2006 focused on creating innovative and profitable digital solutions, prioritizing quality, innovation, and employee satisfaction |
13 |
| 21 |
Elan CHDelanchd.com
Specializing in events and training services, we focus on team motivation and growth through custom events, market monitoring, and performance training |
12 |
| 22 |
Rivacom Eventsrivacom.fr
Specializing in corporate events, sports and adventure activities, trade shows, and sports marketing services Creating memorable experiences for clients |
12 |
| 23 |
Prospectio360°prospectio360.fr
Specializing in lead generation, this company combines digital marketing and sales to create targeted prospecting campaigns, delivering qualified business opportunities to accelerate growth |
11 |
| 24 |
Révélations Communicationrevelations-communication.com
A communication agency based in Brittany, offering expertise in marketing strategy, branding, print and digital communication, advertising, and media campaigns |
8 |
| 25 |
Skribixskribix.com
A professional collective of writers offering unique and optimized texts for clients such as Wonderbox, Joué Club, and Florajet Learn more at skribixcom |
8 |
| 26 |
SELL ACTION SARLmercusuar.uzone.id
An innovative marketing group specializing in B2B services, offering project detection, appointment setting, and account mapping for international clients through local resources worldwide |
6 |
| 27 |
KAORI - Agence Événementielleagence-kaori.fr
With nearly 20 years of experience, this agency provides communication services such as PR, digital marketing, and events, as well as offering a unique event space for professional gatherings |
5 |
| 28 |
AdExtremadextrem.com
An expert online advertising partner, managing various ad types to reach global audiences and maximize ROI with personalized campaigns and top-tier support |
3 |
| 29 |
COM AND SEAvia-essorr.com
Event communication agency with expertise in corporate events, seminars, team building, incentives, PR, and logistical support for successful and unique client-focused events |
3 |
| 30 |
PROFIL GRAND LARGElescirculaires.fr
Specialized event agency creating meaningful events that promote solidarity, generate connections, and embrace innovation through composite approaches involving various institutions and organizations |
2 |
| 31 |
Rennes Business Magrennesbusinessmag.fr
Rennes Business is a platform connecting business leaders in Rennes, providing information on local companies and facilitating networking opportunities for professionals in the region |
2 |
| 32 |
Concer'TiT'Eventsconceptit-design.net
The company specializes in organizing cultural events, festivals, and associative events by managing communication, logistics, finances, security, and legal compliance |
1 |
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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 Oct 24, 2026.
More company lists in Brittany
- The largest companies in Brittany 2,535
- Retail chains in Brittany 321
- Manufacturers in Brittany 209
- Family-owned companies in Brittany 190
- Food and Beverage Manufacturing companies in Brittany 165
- Public sector organisations in Brittany 151
- Software Development companies in Brittany 123
- Distributors and wholesalers in Brittany 119
- SaaS companies in Brittany 119
- Consumer goods companies in Brittany 112
- Critical infrastructure operators in Brittany 110
- Food and beverage companies in Brittany 110
- Retail companies in Brittany 96
- IT services companies in Brittany 96
- Contract manufacturers in Brittany 88
- Healthcare providers in Brittany 84
- IT Services and IT Consulting companies in Brittany 81
- Hardware manufacturers in Brittany 77
- Financial services firms in Brittany 73
- Accounting firms in Brittany 72
- Government Administration companies in Brittany 71
- Accounting companies in Brittany 69
- Consulting firms in Brittany 68
- Construction companies in Brittany 65
The same list elsewhere in France
- Marketing and communications agencies in France 1,460
- Marketing and communications agencies in Île-de-France 831
- Marketing and communications agencies in Auvergne-Rhône-Alpes 139
- Marketing and communications agencies in Provence-Alpes-Côte d'Azur 100
- Marketing and communications agencies in Grand Est 66
- Marketing and communications agencies in Hauts-de-France 59
- Marketing and communications agencies in Occitanie 58
- Marketing and communications agencies in Nouvelle-Aquitaine 54
- Marketing and communications agencies in Pays de la Loire 48
- Marketing and communications agencies in Centre-Val de Loire 26
- Marketing and communications agencies in Paris 577
- Marketing and communications agencies in Lyon 49
- Marketing and communications agencies in Boulogne-Billancourt 42
- Marketing and communications agencies in Levallois-Perret 35
- Marketing and communications agencies in Marseille 32