The Finistère department hosts a concentration of critical infrastructure operators, primarily in the banking and healthcare sectors. Companies like Crédit Mutuel Arkéa, a cooperative banking group, and CHU de Brest, a leading healthcare institution, are among the largest employers. Brittany Ferries provides maritime transportation, while Brest Métropole is involved in government administration. Crédit Mutuel de Bretagne and Crédit Agricole du Finistère are other significant financial service providers, and Fondation ILDYS offers healthcare and social support.
A notable pattern is the prevalence of financial services and healthcare organizations. Many of these entities, such as Crédit Mutuel Arkéa and CHU de Brest, are substantial in size, indicating a regional focus on established institutions supporting essential services.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Crédit Mutuel Arkéacm-arkea.com
Cooperative banking group with specialized subsidiaries in banking, finance, insurance, and real estate, serving 3.2 million members and clients across 19 French regions. |
8,676 | |||
| 2 |
CHU de Brestchu-brest.fr
Leading healthcare institution in western Brittany with extensive medical, surgical, oncology, psychiatric, geriatric, pediatric, and gynecological services across multiple sites. |
2,597 | |||
| 3 |
Brittany Ferriesbrittany-ferries.com
The company reveals stunning coastal destinations across Western Europe, highlighting the beauty of the region's shorelines |
1,559 | |||
| 4 |
Brest Métropolebrest.fr
Brest métropole océane is a voluntary urban community in western Brittany, anchoring a region with 90 towns and 300,000 residents |
1,072 | |||
| 5 |
Crédit Mutuel de Bretagnecmb.fr
Provides comprehensive banking, financial, insurance products with strong local involvement, supporting individuals, businesses, and communities in Brittany region. |
1,062 | |||
| 6 |
Crédit Agricole du Finistèrecredit-agricole.fr
Mutualist cooperative bank focusing on local economic development, supporting businesses, investing in excellence, and prioritizing local financing solutions. |
964 | |||
| 7 |
Centre hospitalier de Cornouaille Quimper-Concarneauch-cornouaille.fr
Regional hospital network providing surgery, medicine, obstetrics, geriatrics, cancer care, rehabilitation, and coordinated patient care with advanced medical technology. |
478 | |||
| 8 |
Fondation ILDYSildys.org
Nonprofit foundation providing healthcare, rehabilitation, disability support, child protection, and elderly care with strong regional presence and social values. |
354 | |||
| 9 |
CENTRE HOSPITALIER DES PAYS DE MORLAIXch-morlaix.fr
Comprehensive medical, surgical, obstetric, psychiatric, and rehabilitation services with specialized oncology, geriatrics, maternity, pediatrics, and medico-social care across multiple locations. |
332 | |||
| 10 |
Suravenirsuravenir.fr
Established in 1984, a leading provider in France offering life and personal protection insurance, specializing in life insurance, personal protection policies, and retirement savings plans |
298 | |||
| 11 |
EPSM du Finistère Sudepsm-quimper.fr
Public mental health facility located in Quimper, providing mental health services and support to individuals in need |
258 | |||
| 12 |
CCI Finistèrebretagne.cci.fr
Represent businesses, provide development support, conduct economic studies, offer professional training, and manage key public infrastructure like ports and airports. |
139 | |||
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| 13 |
Centre Hospitalier de Douarnenezch-douarnenez.bzh
A public health facility in Douarnenez, part of a regional hospital network, collaborating with other hospitals to provide quality healthcare services |
128 | |||
| 14 |
Clinique Pasteur-Lanrozecliniquepasteurlanroze.vivalto-sante.com
A hospital & health care company located in Brest, France, providing medical services and care to patients in the Brittany region |
111 | |||
| 15 |
Hôpital Régional d'Instruction des Armées Clermont-Tonnerrehiaclermonttonnerre.sante.defense.gouv.fr
Offers comprehensive medical services to military and civilian patients, focusing on infectious diseases, emergency care, and specialized health services. |
106 | |||
| 16 |
Arkéa Banque Privéearkeabanqueprivee.fr
Arkéa Banque Privée is a regional bank within a national group, specializing in wealth management with over €35 billion in assets under management |
92 | |||
| 17 |
Clinique Mutualiste de Bretagne Occidentaleclinique-quimper.fr
A healthcare facility in Western Brittany with 180 beds, 30+ specialties, imaging services, surgical facilities, and emphasis on personalized care and medical advancements |
83 | |||
| 18 |
Bibus Brestbibus.fr
Transportation company providing bus, tramway, cable cars, bike services, and on-demand transport in Brest metropolitan area, including services for people with reduced mobility |
81 | |||
| 19 |
Triborde-tribord.com
An insertion company specializing in environmental sector and waste management, operating in various territories in Brittany, Loire-Atlantique, and Manche |
77 | |||
| 20 |
Aéroport Brest Bretagnebrest.aeroport.bzh
An airport company managing Brest Bretagne and Quimper Bretagne airports in Brittany, providing flights to various destinations in France and Europe |
71 | |||
| 21 |
OCELORN le réseau bus&carsocelorn.com
A network of independent transportation companies offering services for communities and businesses in tourism, regular lines, school transport, urban networks, and custom travel packages |
68 | |||
| 22 |
CHP Brestelsan.care
A private healthcare facility with 474 beds, offering advanced surgical, oncology, obstetrics, and emergency medical services in the region |
56 | |||
| 23 |
SDEF - Syndicat départemental d'Energie et d'Equipement du Finistèresdef.fr
The company is a key player in the energy sector, managing public electricity distribution and promoting renewable energy in Finistère through various projects and services |
47 | |||
| 24 |
CLINIQUE PEN AN DALARclinique-pen-an-dalar.ramsaysante.fr
A medical practice company based in Bretagne, France, focusing on providing healthcare services at 147 Rue de Paris, Guipavas |
39 | |||
| 25 |
AMB - Agence Maritime Brestoiseamb-mk.com
Handling, consignment, transit, port logistics, customs solutions, and transport services for maritime operations along the French Atlantic coast. |
37 | |||
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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 Nov 11, 2026.
More company lists in the Finistère department
- The largest companies in the Finistère department 571
- Retail chains in the Finistère department 90
- Manufacturers in the Finistère department 78
- Companies with in-house R&D in the Finistère department 71
- Multinational companies in the Finistère department 50
- Food and Beverage Manufacturing companies in the Finistère department 45
- Family-owned companies in the Finistère department 45
- Food and beverage companies in the Finistère department 40
- Hardware manufacturers in the Finistère department 35
- Public sector organisations in the Finistère department 35
- Consumer goods companies in the Finistère department 31
- Distributors and wholesalers in the Finistère department 31
- Agriculture companies in the Finistère department 29
The same list elsewhere in France
- Critical infrastructure operators in France 2,721
- Critical infrastructure operators in Île-de-France 780
- Critical infrastructure operators in Auvergne-Rhône-Alpes 299
- Critical infrastructure operators in Grand Est 257
- Critical infrastructure operators in Occitanie 216
- Critical infrastructure operators in Nouvelle-Aquitaine 209
- Critical infrastructure operators in Provence-Alpes-Côte d'Azur 200
- Critical infrastructure operators in Hauts-de-France 174
- Critical infrastructure operators in the Hauts-de-Seine department 169
- Critical infrastructure operators in Pays de la Loire 127
- Critical infrastructure operators in Brittany 120
- Critical infrastructure operators in Normandy 103
- Critical infrastructure operators in the Bouches-du-Rhône department 98
- Critical infrastructure operators in the Rhône department 94
- Critical infrastructure operators in Centre-Val de Loire 87
- Critical infrastructure operators in the Nord department 87
- Critical infrastructure operators in Bourgogne-Franche-Comté 76
- Critical infrastructure operators in the Haute-Garonne department 64
- Critical infrastructure operators in the Gironde department 63
- Critical infrastructure operators in the Loire-Atlantique department 59
- Critical infrastructure operators in the Hérault department 57
- Critical infrastructure operators in the Seine-Saint-Denis department 53
- Critical infrastructure operators in the Seine-Maritime department 46
- Critical infrastructure operators in Paris 331