| # | Company | Employees |
|---|---|---|
| 1 |
En Recherche Activevpcrazy.com
This page is dedicated to showcasing experiences on CV through a web agency specializing in web design, marketing, and website creation |
1,770 |
| 2 |
ADDITIouest-france.fr
Local advertising and media company focusing on digital innovation, client orientation, and professional development within a strong regional group. |
729 |
| 3 |
Additi Média | Groupe Ouest-Franceadditimedia.ouest-france.fr
Marketing expertise for local media and markets in Grand Ouest, offering tailored press and digital communication strategies and advertising solutions. |
352 |
| 4 |
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 |
| 5 |
HEBDOS COMMUNICATIONhebdoscom.com
Advertising sales for 71 regional weekly newspapers, 14 free information papers, and 71 websites targeting loyal, family readership. |
158 |
| 6 |
MV Groupmv-group.fr
Provides data marketing and digital performance services for SMEs through branding, customer acquisition, social media, loyalty strategies, international data, and financing solutions. |
144 |
| 7 |
Get'com
A digital public communication agency specialized in assisting local governments in Brittany with digital transformation, including websites, social media, and branding |
119 |
| 8 |
Régie Radio Régionsregieradioregions.fr
Local advertising agency specializing in radio and audio-digital communication across France with extensive regional network and diverse marketing solutions. |
97 |
| 9 |
Cohérence - Agence webagence-coherence.fr
Providing measurable web solutions including website design, SEO, social media management, content writing, and consulting to support business growth. |
85 |
| 10 |
WITH BARRYwith-barry.com
A customer-centric agency specializing in social media strategies for brands like Scania, Umbro, and Sushishop, mastering online presence and engagement |
81 |
| 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 |
RIVACOMrivacom.fr
Large communication agency providing strategic branding, press relations, digital marketing, and content production for corporate clients, institutions, and major international sailing and sporting events. |
65 |
| 13 |
KERA GROUPEkeragroupe.com
A communication group co-founded and led by Mathieu Fourmond and François Sebastia, offering strategy, creation, video, digital, live events, and media relations services |
58 |
| 14 |
VIAMEDIA Regieviamedia-publicite.com
Advertising agency specializing in local media, offering tailored communication solutions across press, digital, TV, and outdoor advertising for diverse clients. |
51 |
| 15 |
Tire-Fessestire-fesses.fr
Specialized agency in creating online communities for French agri-food brands through social media |
44 |
| 16 |
COM.PERFORMANCEScomperformances.fr
COMPERFORMANCES supports small businesses, artisans, traders, and freelancers with their digital communication strategies |
38 |
| 17 |
ETG Enseigne & Signalétiqueetg-enseigne.fr
Specialized signage and signage company offering custom visual identities through various fabrication techniques, with a focus on customer satisfaction and continuous improvement |
31 |
| 18 |
Azimuth Enseigneazimuth-enseigne.com
Specializes in signs, signage, vehicle and boat markings, digital printing, stickers, event branding, banners, textile printing, promotional items, and store design |
30 |
| 19 |
LEADS GENERATIONleads-generation.fr
The company helps businesses discover and choose software to improve productivity through two platforms: one for white papers and ebooks, and one for SaaS software |
25 |
| 20 |
Affiouestaffiouest.fr
Affiouest, a subsidiary specializing in outdoor advertising in the West, offers diverse solutions tailored to client needs from local to regional campaigns |
24 |
| 21 |
Good Buy Media - MV Groupgoodbuy-media.fr
media and digital consulting agency specializing in cost reduction for media space purchases, combining online and offline strategies with transparent, performance-focused methods |
22 |
| 22 |
SOLDICOMsoldicom.com
Advertising agency founded in 2019, specializing in optimizing company communication through tailored solutions such as website creation, promotional items, and training |
22 |
| 23 |
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 |
| 24 |
ADHOC NETWORKadn-group.fr
An integrated communication group offering specialized services in advertising, web marketing, and social media consulting |
21 |
| 25 |
Atelier Le Mée - Eurodrapeauatelier-lemee.com
Since 1956, the company specializes in manufacturing and installing a wide range of visual communication supports, including eco-friendly options, for various industries |
20 |
| 26 |
DNS GROUPEdns-groupe.com
Specializes in producing and supplying advertising objects and textiles, focusing on promotional materials and branded merchandise for marketing purposes. |
19 |
| 27 |
We Feel Goodwefeelgoodrh.com
A team of experts enhances employer branding and corporate communications, creating engaging narratives that empower employees to become passionate ambassadors. |
17 |
| 28 |
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 |
| 29 | 15 | |
| 30 |
Agence Essentiel Communicationagence-essentiel.fr
A communication and events agency offering strategic solutions with creativity, digital expertise, and event management, driven by social and environmental responsibility |
13 |
| 31 |
Breizh Marketing Akademiproduitenbretagne.bzh
A networking platform for marketing professionals in Brittany, organizing events to learn, share, and find solutions while promoting local marketing services and expertise |
10 |
| 32 |
Voilà le topovoilaletopo.com
A company specializing in branding, digital experiences, web development, web marketing, customer journey optimization, and SEO, all with a touch of creativity and positivity |
10 |
| 33 |
GIGZ Francegigz.fr
A data-driven SaaS marketing platform powered by AI, optimizing marketing budgets and measuring ROI impact on revenues in real time |
8 |
| 34 |
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 |
| 35 | 8 | |
| 36 |
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 |
| 37 |
Lamour du Shoplamourdushop.com
E-commerce agency specializing in Shopify: creating high-performance online stores, UX-UI design, digital marketing, SEO, Google Ads, Shopify POS, and automation Also offers Shopify training |
6 |
| 38 |
Business Developper & digital trainervpcrazy.com
The company focuses on business development and digital commercial strategies, specializing in digital business growth and development |
5 |
| 39 |
Le Studio A
Based in Saint-Brieuc, this agency supports over 30 Breton companies with image management, communication strategy, digital marketing, and custom website development |
5 |
| 40 | 4 | |
| 41 | 4 | |
| 42 |
Agence Éclosion - Vannesagence-eclosion.fr
Specializing in communication strategy, event development, and digital tools training, we offer tailored solutions to meet your needs effectively |
4 |
| 43 |
Ekinox Communicationekinox-communication.fr
A Breton agency offering expertise to guide your communication strategy |
3 |
| 44 |
Agence LDPlunettesdepub.com
An innovative communication agency in Rennes offering strategic and tailored services in print, digital, video, branding, and media planning |
3 |
| 45 |
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 |
| 46 |
Donut Events
Specializing in automotive events, offering tailored solutions for car-related activities, including launches, exhibitions, and promotional events |
3 |
| 47 |
INEXOagence-inexo.fr
A trusted partner for tailor-made digital solutions, combining creativity, technology, and strategy to deliver innovative and impactful experiences for clients |
2 |
| 48 |
Breizh Marketing Agencyfacebook.com
A digital marketing agency based in Brittany, offering expertise in website creation, social media management, advertising campaigns, SEO, and lead generation |
2 |
| 49 |
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 |
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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 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
- Advertising Services companies in France 2,080
- Advertising Services companies in Île-de-France 1,124
- Advertising Services companies in Auvergne-Rhône-Alpes 189
- Advertising Services companies in Provence-Alpes-Côte d'Azur 125
- Advertising Services companies in Grand Est 113
- Advertising Services companies in Nouvelle-Aquitaine 95
- Advertising Services companies in Occitanie 94
- Advertising Services companies in Pays de la Loire 88
- Advertising Services companies in Hauts-de-France 77
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- Advertising Services companies in Paris 744
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- Advertising Services companies in Boulogne-Billancourt 67
- Advertising Services companies in Levallois-Perret 45
- Advertising Services companies in Bordeaux 37
- Advertising Services companies in Toulouse 32
- Advertising Services companies in Marseille 31
- Advertising Services companies in Nantes 30
- Advertising Services companies in Neuilly-sur-Seine 29
- Advertising Services companies in Lille 26
- Advertising Services companies in Puteaux 26