| # | Company | Employees |
|---|---|---|
| 1 | 130,572 | |
| 2 |
Eroskicorporativo.eroski.es
A multinational socio-business group with over 50,000 employees, specializing in retail sales through a vast network of supermarkets and hypermarkets |
7,340 |
| 3 |
Kutxabankportal.kutxabank.es
Financial institution operating a local banking model, prioritizing clients, fostering long-term relationships with individuals and SMEs, and reinvesting profits into society. |
2,360 |
| 4 |
LABORAL Kutxalaboralkutxa.com
A financial institution focused on cooperative banking, committed to serving clients democratically, creating jobs, and contributing to societal development for almost 60 years |
1,824 |
| 5 |
BM Supermercadosbmsupermercados.es
A company with a long tradition in distribution, operating over 250 stores offering a wide range of products with a focus on fresh produce and personalized service |
796 |
| 6 |
Grupo Elektragrupoelektra.es
A national leader in distributing electrical and electronic materials, providing solutions in communication networks, industrial automation, energy efficiency, and more |
629 |
| 7 |
Forum Sport S.A.forumsport.com
A sports retailer founded by athletes and sports professionals 25 years ago, offering a wide range of products, expert advice, and promoting a healthy lifestyle |
415 |
| 8 | 226 | |
| 9 |
Medical Óptica Audiciónmedicaloptica.es
Medical Óptica-Audición revolutionized traditional optical and auditory health care with a focus on personalized solutions, quality products, advanced technology, and customer satisfaction |
187 |
| 10 |
Restaurante Akelarre | Pedro Subijanaakelarre.net
A culinary temple with 3 Michelin stars offering innovative cuisine, exquisite tasting menus, exclusive hotel accommodations, spa, and stunning views |
147 |
| 11 |
La Vitorianalavitoriana.com
This company, founded in 1903, specializes in artisan bakery and pastry products with 52 establishments in northern Spain and national distribution through Barretta division |
142 |
| 12 |
bankoa ABANCAabanca.com
The company provides banking services and invites followers to stay updated on their activities through @somosABANCA |
133 |
| 13 |
Perfumerias Ifperfumeriasif.com
A retail chain with 180 perfume stores in Spain and Andorra, offering beauty products from top brands, personalized beauty consultations, and an online store with special prices |
128 |
| 14 |
INDI&COLDindiandcold.com
Fashion brand founded in 1991, merging Indiwoman and Cold Alaska in 2012 Known for natural lifestyle, timeless collections, and conscious production With a team of over 100 |
49 |
| 15 |
fitnessdigitalfitnessdigital.com
Specialized in fitness product sales and distribution, pioneering online store expanding to physical stores, with a commitment to customer satisfaction |
35 |
| 16 |
FisioClinics Groupfisio-clinics.com
A network of physiotherapy centers focused on the Fiit Concept, providing comprehensive services with professionals in physiotherapy, nutrition, and physical activity |
32 |
| 17 | 
Il Basilicoilbasilicoitalianrestaurant.co.uk
An Italian restaurant in Deusto, Bilbao, offering local Italian cuisine near the river and universities, conveniently located close to the underground |
30 |
| 18 |
Leonceleonceshop.com
A multi-brand store chain with a curated selection of trendy products each season, offering inspiration and the best fashion trends to customers |
21 |
| 19 |
Hegalak Centro Deportivohegalak.com
An inclusive sports center in the heart of Donosti, offering personalized programs, team support, and a variety of activities for all individuals |
21 |
| 20 |
UP&YOUupandyou.es
A unique gym in Bilbao focused on member orientation, offering diverse services, a dedicated team, and a renovated historic venue for a motivating fitness experience |
16 |
| 21 |
Clínica Dental Sanitas Vitoriasanitas.es
A leading dental clinic network in Spain with over 180 locations, offering comprehensive oral health care with various specialists and cutting-edge technology Find us on social media! |
14 |
| 22 |
Bioracer Spainshop.bioracer.com
A Belgian company at the forefront of designing and manufacturing cycling gear, focused on making athletes faster through innovative clothing and tools |
6 |
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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 Basque Country
- The largest companies in Basque Country 397
- Manufacturers in Basque Country 31
- Wellness and Fitness Services companies in Basque Country 28
The same list elsewhere in Spain
- Retail chains in Spain 1,098
- Retail chains in Community of Madrid 326
- Retail chains in Catalonia 305
- Retail chains in Andalusia 104
- Retail chains in Valencian Community 95
- Retail chains in Balearic Islands 40
- Retail chains in Aragon 27
- Retail chains in Canary Islands 27
- Retail chains in Madrid 226
- Retail chains in Barcelona 160
- Retail chains in Valencia 30
- Retail chains in Málaga 26