| # | Company | Employees |
|---|---|---|
| 1 |
Institut Català de la Salutics.gencat.cat
The company provides healthcare services from pregnancy to old age, with a wide territorial coverage and a strong emphasis on education, research, and innovation |
7,936 |
| 2 |
Hospital Clínic de Barcelonaclinicbarcelona.org
A leading public university hospital in Spain, offering quality healthcare, cutting-edge research, and professional training with a focus on humanized medicine |
6,159 |
| 3 |
Hospital Universitari Vall d'Hebronvallhebron.com
A leading hospital complex in Catalonia with four large centers offering a wide range of medical and surgical specialties |
4,361 |
| 4 |
Gas Natural Fenosagasnaturalfenosa.com
Leading multinational company operating in gas and electricity sectors, serving over 20 million customers across 23 countries worldwide. |
3,989 |
| 5 |
Hospital del Marhospitaldelmar.cat
Modern general hospital treating medium and high complexity pathologies, affiliated with a university and emphasizing research, located in a diverse, multicultural area |
3,654 |
| 6 |
Transports Metropolitans de Barcelona (TMB)tmb.cat
The company is the main public transport operator in Catalonia, providing bus and metro networks, as well as leisure transport services |
3,050 |
| 7 |
Hospital de la Santa Creu i Sant Pausantpau.cat
A centuries-old highly complex hospital in Spain, primarily serving Barcelona and Catalonia, with a prominent national and international reputation |
2,826 |
| 8 |
Cellnex Telecomcellnex.com
The company is a leading provider of wireless telecommunications and broadcasting infrastructure across Europe, with a focus on shared-use services |
2,542 |
| 9 |
Banco Mediolanumbancomediolanum.es
This company offers personalized financial services through Family Bankers and Multichannel Banking, part of a banking group with millions of clients across Europe |
2,324 |
| 10 |
Veolia | Españaveolia.es
Leading environmental services provider specialized in decarbonization and circular economy through optimized management of energy water and waste for cities and industries |
2,272 |
| 11 |
ASEPEYOasepeyo.es
Leader in accident & occupational disease insurance with services benefiting society, companies, workers & employees Protecting 2 million workers & 272,000+ companies nationwide |
2,119 |
| 12 |
Mutua Universalmutuauniversal.net
Voluntary association providing healthcare and economic benefits to workers, collaborating with Social Security across all autonomous communities. |
2,065 |
| 13 |
Voloteavolotea.com
Fast-growing European airline serving medium-sized cities, operating numerous routes and flights while prioritizing sustainable aviation practices and customer satisfaction |
1,889 |
| 14 |
MC MUTUALmc-mutual.com
Leader in accident insurance with over a century of experience, protecting 12 million workers, offering prevention services, and part of a nationwide mutual group |
1,110 |
| 15 | 1,055 | |
| 16 |
Centro Medico Teknonteknon.quironsalud.com
Leading private hospital in Spain providing high-quality medical care in a personalized environment with cutting-edge technology, focused on patient safety and satisfaction |
948 |
| 17 |
FIATC Segurosfiatc.es
A company specializing in insurance, health, and services for the elderly, aiming to improve the quality of life through personalized and professional care |
935 |
| 18 |
Àrea Metropolitana de Barcelona (AMB)amb.cat
Public administration managing metropolitan territory of Barcelona, encompassing 36 municipalities and serving over 3.2 million residents. |
725 |
| 19 |
Clínica Sagrada Famíliaclinicasagradafamilia.com
A medical clinic in Barcelona founded in 1970 by a religious congregation, offering a wide range of medical specialties and advanced technology |
698 |
| 20 |
Clínica Corachancorachan.com
Passionate healthcare professionals offering top-notch medical care since 1921 Striving for excellence with modern facilities and a multidisciplinary team focusing on patient-centered care |
650 |
| 21 |
Ferrocarrils de la Generalitat de Catalunyafgc.cat
Public company managing regional rail and metro services in Catalonia, focusing on sustainable and efficient transportation solutions. |
630 |
| 22 |
CaixaBank Payments & Consumercaixabankpc.com
Providing innovative payment and financing solutions for businesses and individuals to achieve their goals, always focused on future success |
601 |
| 23 |
LABORATORIO ECHEVARNElaboratorioechevarne.com
A part of Grupo Echevarne, this company focuses on providing innovative technology and services in healthcare, veterinary, and industry sectors |
588 |
| 24 |
Aigües de Barcelonaaiguesdebarcelona.cat
A public-private company manages the complete water cycle for nearly 3 million people in the Barcelona metropolitan area, focusing on sustainability and customer service |
577 |
| 25 |
Banc de Sang i Teixitsbancsang.net
A public company in Catalonia providing blood, tissues, and breast milk to patients, while also leading in research for therapies |
568 |
| 26 |
Grupo Caja de Ingenieroscaixaenginyers.com
A cooperative group providing sustainable value in financial, professional, and personal areas through long-term, ethical relationships and commitment to society |
555 |
| 27 |
Parc Sanitari Pere Virgiliperevirgili.cat
Public healthcare organization managing intermediate care hospital services and primary care in Barcelona, with a focus on teaching, research, and multidisciplinary approach |
418 |
| 28 |
Zurich in Spainzurich.es
Insurance company with over 2,000 employees in Spain, part of a global network serving customers in 170+ countries, recognized for employee satisfaction and benefits |
385 |
| 29 |
GVC Gaescogvcgaesco.es
A leading independent financial group in Spain offering comprehensive financial services, wealth management, securities brokerage, corporate finance, market analysis, and insurance services |
295 |
| 30 |
LEVEL Airlinesflylevel.com
International Airlines Group's low cost airline brand operating A330 aircraft between Barcelona and various international destinations, offering stylish flying at affordable prices |
285 |
| 31 |
Agència Catalana de l'Aiguaaca.gencat.cat
A public company in Catalunya responsible for water planning, management, sanitation, and conservation to ensure water availability and quality |
284 |
| 32 |
Comercia Global Paymentscomerciaglobalpayments.com
A joint venture between a Spanish retail banking leader and a global payments company, focused on providing high-quality payment services worldwide |
278 |
| 33 |
Agència de Salut Pública de Barcelona - ASPBaspb.cat
The Agency of Public Health in Barcelona manages public health services for the city, ensuring the health of residents and visitors through data analysis, policy development, and service delivery |
213 |
| 34 |
Hospital HM Nenstrc.es
A pioneering pediatric hospital in Barcelona offering a wide range of medical services for children, including outpatient, surgical, and orthodontic care |
210 |
| 35 |
ICF - Institut Català de Financesicf.cat
Public financial entity supporting Catalan companies and entities for green transition, reindustrialization, and growth, with membership in the European Association of Public Banks |
182 |
| 36 |
Sateliotsateliot.space
Revolutionizing IoT connectivity with a LEO satellite constellation based on 5G standard, enabling global connectivity for commercial cellular IoT devices |
158 |
| 37 |
imaginimagin.com
An open community providing financial products, innovation, simplicity, transparency, and social responsibility to empower imaginers for financial freedom and sustainability |
138 |
| 38 |
Caixabank Advanced Business Analyticscaixabank.com
Integrating business intelligence and advanced analytics to transform data into value for customers, offering an omnichannel, hyper-personalized experience through AI and machine learning. |
124 |
| 39 |
CaixaBank Consumer Financecaixabankpc.com
A consumer finance company specializing in financing individuals and businesses through multiple channels, partnerships with retailers, dealers, and international banking partners |
117 |
| 40 |
CAPSBEcapsbe.cat
A public entity managing three Primary Care Teams in Barcelona, providing health services to residents in different areas, focusing on professionalism, teamwork, innovation, and patient care |
117 |
| 41 |
EAP Sardenya SPLeapsardenya.cat
Healthcare institution in Barcelona serving 20,000 residents, part of the public healthcare system in Catalonia Provides training for medical specialists and collaborates with universities |
74 |
| 42 |
APS Pamemajuntament.barcelona.cat
Public-private partnership providing healthcare coverage to 12,000 municipal employees and managing primary care for 92,000 individuals in Barcelona through multiple healthcare centers |
64 |
| 43 |
EAP Dreta de l'Eixample - CAP Roger de Floreapdretaeixample.cat
A provider of Primary Care Services within the Public Health System of Catalonia, formed by healthcare professionals working under CatSalut supervision |
47 |
| 44 |
Bankpime
A banking group specializing in serving small and medium-sized enterprises, offering personalized financial services and actively managing investment funds |
27 |
| 45 |
Ambulàncies Catalunya scclambulanciescatalunya.com
A cooperative with over 30 years of experience in healthcare transportation, focusing on efficient service with cutting-edge technology and quality care for user satisfaction |
23 |
| 46 |
CAP Les Hortescapleshortes.cat
The company focuses on promoting health communication and accessibility through online platforms like a website and social media to connect with users |
22 |
| 47 |
China Construction Bank (Europe) S.A. Barcelona Branchen.ccb.com
A global bank providing corporate banking, trade finance, and treasury operations with overseas branches and subsidiaries in 30 countries |
20 |
| 48 |
CaixaBank Paymentscaixabankpay.com
CaixaBank Payments innovates in payment solutions, offering mobile payment, P2P transactions, wearables, and more to revolutionize the payment market |
17 |
| 49 |
Grupo Contenosagrupocontenosa.com
A consignee company within the maritime logistics sector, part of a group specializing in various shipping services worldwide for over 30 years |
12 |
| 50 |
Nissin Transport Spain | Supply Chain Logistics Providernissinspain.com
A transport and logistics company with over 25 years of experience, offering efficient international shipments, tailored solutions, secure warehousing, and customs management |
3 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 Barcelona
- The largest companies in Barcelona 1,369
- Retail chains in Barcelona 160
- SaaS companies in Barcelona 124
- Wellness and Fitness Services companies in Barcelona 122
- Software Development companies in Barcelona 118
- Healthcare providers in Barcelona 84
- Retail Apparel and Fashion companies in Barcelona 74
- Hospitality companies in Barcelona 67
- Financial services firms in Barcelona 53
- IT Services and IT Consulting companies in Barcelona 52
- Entertainment Providers companies in Barcelona 51
- Hotel and hospitality groups in Barcelona 50
- Financial Services companies in Barcelona 46
- E-commerce companies in Barcelona 44
- Manufacturers in Barcelona 40
- Education providers in Barcelona 39
- IT services companies in Barcelona 39
- Public sector organisations in Barcelona 38
- Online-only businesses in Barcelona 33
- Consulting firms in Barcelona 31
- Food and Beverage Services companies in Barcelona 31
- Luxury brands in Barcelona 31
- Hospitals and Health Care companies in Barcelona 30
- Personal Care Product Manufacturing companies in Barcelona 30
The same list elsewhere in Spain
- Critical infrastructure operators in Spain 426
- Critical infrastructure operators in Community of Madrid 169
- Critical infrastructure operators in Catalonia 91
- Critical infrastructure operators in Andalusia 34
- Critical infrastructure operators in Valencian Community 31
- Critical infrastructure operators in Madrid 140