These companies in Ille-et-Vilaine are primarily large groups and mid-sized firms in retail, finance, and food services. Groupama Loire Bretagne is a mutual insurance company, Groupe Le Duff operates bakery and catering chains globally, Banque Populaire Grand Ouest is a cooperative regional bank, and Groupe Beaumanoir specializes in women's ready-to-wear.
A notable pattern is the concentration of headquarters in Rennes, including Del Arte, a chain of Italian restaurants, and Brioche Dorée, a fast-food chain. Other significant headquarters are in Saint-Grégoire, Saint-Malo, and Saint-Jacques-de-la-Lande, indicating a strong regional presence for these diverse retail-oriented businesses.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Groupama Loire Bretagnegroupama-gan-recrute.com
A leading mutual insurance company in the region, fostering trust and supporting members to build their lives confidently through a strong local presence and collaborative culture |
28,000 | |||
| 2 |
Groupe Le Duffgroupeleduff.com
World leader in bakery, pastry, and catering, operating restaurant chains, manufacturing premium products for hotels, prioritizing high-quality, healthy dishes globally. |
5,761 | |||
| 3 |
Banque Populaire Grand Ouestbanquepopulaire.fr
Cooperative regional bank supporting entrepreneurs, artisans, and businesses across seven departments, fostering economic development through financial and human expertise. |
2,642 | |||
| 4 |
Groupe Beaumanoirgroupe-beaumanoir.com
A leading pioneer in women's ready-to-wear products, operating four successful brands worldwide with a strong focus on sales and logistics services |
1,870 | |||
| 5 |
Del Artedelarte.fr
operates a chain of Italian restaurants across France, offering dine-in, takeaway, and delivery with authentic, quality Italian dishes for all budgets. |
1,824 | |||
| 6 |
Brioche Doréebriochedoree.fr
A fast-food chain specializing in French-style bakery products and sandwiches, operating globally with a focus on fresh, locally sourced ingredients and a modern concept. |
1,477 | |||
| 7 |
Crédit Agricole d'Ille-et-Vilainecredit-agricole.fr
Provides banking and financial services to over 530,000 clients with 119 branches and 1,500 employees in Ille-et-Vilaine. |
1,332 | |||
| 8 |
L'Orange bleuelorangebleue-group.com
Leading European fitness company operating over 400 clubs offering cardio, strength training, wellness programs, personalized coaching, and innovative group classes. |
1,083 | |||
| 9 |
Groupe Valeorgroupevaleor.com
Development and operation of specialized stores focused on enhancing living spaces with inspiration, pleasure, and environmental respect, employing over 600 people. |
511 | |||
| 10 |
Blot Immobilierblot-immobilier.fr
Providing personalized real estate services including buying, selling, renting, financing, legal advice, and professional support with local expertise and client focus. |
439 | |||
| 11 |
Cache Cachecache-cache.fr
French ready-to-wear brand offering trendy, colorful, and affordable fashion for joyful and optimistic women, part of a leading retail group. |
408 | |||
| 12 |
Aäsgardaasgard.fr
Specializing in high-end contemporary wood and pellet stoves from Scandinavia, Aäsgard offers distribution, installation, and maintenance services since 2006 Follow on social media for more |
323 | |||
| 13 |
SQUARE HABITAT BRETAGNEsquarehabitat.fr
Trusted real estate agency network offering personalized services and innovative solutions for buying, selling, renting, and investing in properties |
317 | |||
| 14 |
Bonobobonoboplanet.com
Offering authentic and affordable jeans for an optimistic and engaged generation, promoting values of respect and harmony through a new denim spirit |
313 | |||
| 15 |
Groupe GIBOIREgiboire.com
Family-owned real estate group specializing in property development, land planning, hospitality, sales, rental management, commercial real estate, and investment advisory. |
302 | |||
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 |
Regional Interim - R Interim Groupe Triangle Solutions RHtriangle.fr
Family-run recruitment agency providing personalized interim staffing solutions, rapid client response, and extensive support for temporary workers and companies. |
268 | |||
| 17 |
Groupe Royergrouperoyer.com
Global distribution of footwear, textile, and accessories across multiple brands, covering all market segments from low-cost to luxury. |
255 | |||
| 18 |
Denis Matériauxdenismateriaux.com
Family-owned group distributing and manufacturing professional-quality construction materials across multiple sectors including masonry, wood, insulation, and tools in France. |
222 | |||
| 19 |
Groupe Cobrediacobredia.fr
Provides comprehensive automobile mobility solutions for individuals and professionals, including sales, financing, rental, maintenance, and parts across 90 locations. |
221 | |||
| 20 |
Emil Frey Proemilfreypro.fr
Leader in industrial and utility vehicle trading, maintenance, and service engineering in Brittany and the Pays de la Loire, prioritizing quality service, customer relations, and employee skills recognition |
201 | |||
| 21 |
La Taverne - Table de Caractèrelestavernes.com
A network of 31 cooperative restaurants offering modern, generous cuisine with a focus on fresh, local ingredients, and a welcoming, homey atmosphere |
191 | |||
| 22 |
Pasquet menuiseriespasquet.fr
Specializes in industrial wood, aluminum, and PVC joinery, combining traditional craftsmanship with modern design and technical expertise. |
189 | |||
| 23 |
Réseau Komilfokomilfo.fr
Independent artisans network specializing in installation of windows, doors, shutters, and outdoor products with personalized customer support and after-sales service across France. |
186 | |||
| 24 |
Bretagne Matériauxbretagne-materiaux.fr
Network of 24 agencies in Brittany providing advice on construction, layout, and renovation product choices for customers |
178 | |||
| 25 |
Groupe Interactioninteraction-groupe.com
This company facilitates employment access, offering temp agencies, recruitment firms, specialized services, digital solutions, and a training center for diverse job seekers. |
178 | |||
| 26 |
PRESTALISprestalis.com
PRESTALIS specializes in managing aquatic centers for local authorities nationwide, focusing on social development, digital transformation, and community engagement in sports and leisure activities |
166 | |||
| 27 |
Madame.monsieurmadame-boutique.fr
Fashion boutique offering designer ready-to-wear clothing from brands like Acne Studios, AMI, Dries Van Noten, and MM6 among others |
165 | |||
| 28 |
Max Plusmaxplus.fr
A French chain of stores specializing in discounted surplus and clearance items from top manufacturers in various categories Expanding with competitive prices |
154 | |||
| 29 |
Lorflexlorflex.fr
specialist in smoke conduits, ventilation, and technical insulation distribution with 21 agencies across France and Luxembourg, focusing on expertise and customer service |
134 | |||
| 30 |
MBA Mutuellembamutuelle.com
Providing health, retirement, savings, and insurance solutions with local presence and personalized support for individuals and professionals. |
132 | |||
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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 Ille-et-Vilaine department
- The largest companies in the Ille-et-Vilaine department 1,454
- Companies with in-house R&D in the Ille-et-Vilaine department 152
- Multinational companies in the Ille-et-Vilaine department 118
- Manufacturers in the Ille-et-Vilaine department 100
- Professional services firms in the Ille-et-Vilaine department 94
- SaaS companies in the Ille-et-Vilaine department 85
- Family-owned companies in the Ille-et-Vilaine department 81
- Software Development companies in the Ille-et-Vilaine department 80
- Public sector organisations in the Ille-et-Vilaine department 75
- IT Services and IT Consulting companies in the Ille-et-Vilaine department 67
- IT services companies in the Ille-et-Vilaine department 65
- Hardware manufacturers in the Ille-et-Vilaine department 61
- Education providers in the Ille-et-Vilaine department 60
- Distributors and wholesalers in the Ille-et-Vilaine department 58
- Consulting firms in the Ille-et-Vilaine department 54
- Food and Beverage Manufacturing companies in the Ille-et-Vilaine department 46
- Retail companies in the Ille-et-Vilaine department 46
- Critical infrastructure operators in the Ille-et-Vilaine department 45
- Financial services firms in the Ille-et-Vilaine department 45
- Subscription businesses in the Ille-et-Vilaine department 45
- Construction companies in the Ille-et-Vilaine department 43
- Law Practice companies in the Ille-et-Vilaine department 43
- Higher Education companies in the Ille-et-Vilaine department 41
- Legal Services companies in the Ille-et-Vilaine department 41
The same list elsewhere in France
- Retail chains in France 7,526
- Retail chains in Île-de-France 2,316
- Retail chains in Auvergne-Rhône-Alpes 872
- Retail chains in Provence-Alpes-Côte d'Azur 663
- Retail chains in Nouvelle-Aquitaine 582
- Retail chains in Occitanie 579
- Retail chains in Grand Est 529
- Retail chains in Pays de la Loire 452
- Retail chains in Hauts-de-France 431
- Retail chains in Brittany 344
- Retail chains in the Rhône department 302
- Retail chains in the Hauts-de-Seine department 292
- Retail chains in the Bouches-du-Rhône department 281
- Retail chains in the Nord department 268
- Retail chains in Normandy 244
- Retail chains in the Haute-Garonne department 222
- Retail chains in the Gironde department 217
- Retail chains in the Alpes-Maritimes department 164
- Retail chains in Centre-Val de Loire 164
- Retail chains in the Loire-Atlantique department 163
- Retail chains in Bourgogne-Franche-Comté 158
- Retail chains in Paris 1,491
- Retail chains in Lyon 154
- Retail chains in Toulouse 139