| # | Company | Employees |
|---|---|---|
| 1 |
Vivo (Telefônica Brasil)vivo.com.br
Largest Brazilian telecommunications provider. Offers comprehensive fixed, mobile, and digital services including fiber optic, 4G, 4.5G, and IPTV. Focuses on digital inclusion and education. |
39,219 |
| 2 | 13,952 | |
| 3 |
Mota-Engilmota-engil.com
Multinational group specializing in engineering, construction, environment, transport concessions, energy, and mining across Europe, Africa, and Latin America. |
9,395 |
| 4 |
TAP Air Portugalflytap.com
Leading airline, member of Star Alliance, operating modern fleet (Airbus NEO, Embraer, ATR) with hub in Lisbon, connecting Europe with Africa and Americas. |
7,075 |
| 5 | 6,905 | |
| 6 | 6,400 | |
| 7 |
Altice Portugalaltice.pt
A global telecommunications and multimedia operator in Portugal, offering fixed line, mobile, multimedia, data, and business solutions to meet digital consumer needs |
5,800 |
| 8 |
CTT - Correios de Portugalctt.pt
Customer-oriented company offering mail, express delivery, savings, e-commerce, logistics, advertising, digitalization, and business process outsourcing solutions. |
5,636 |
| 9 | 5,389 | |
| 10 |
Banco BPIbancobpi.pt
A major Portuguese financial group specializing in corporate and retail banking, as well as financial services, now part of a leading Iberian financial group |
5,350 |
| 11 |
Millennium bcpmillenniumbcp.pt
Portugal's largest private-owned bank offering a wide range of banking services and financial activities in multiple markets both domestically and internationally |
5,092 |
| 12 |
CUF - Hospitais e Clínicascuf.pt
A leading healthcare provider in Portugal with over 78 years of experience, offering private healthcare services through a network of 25 units |
4,886 |
| 13 |
Hospital da Luzhospitaldaluz.pt
Hospital da Luz, part of Grupo Luz Saúde, is a leading private healthcare network in Portugal with 28 hospitals and clinics Providing quality, innovative healthcare services |
4,759 |
| 14 |
novobanconovobanco.pt
A leading Portuguese financial institution offering comprehensive banking, asset management, and insurance services, with a strong focus on customer service and innovation |
4,237 |
| 15 | 4,014 | |
| 16 |
Fidelidadefidelidade.pt
A leading insurance company focused on protecting and caring for individuals, families, and businesses through innovative products and services, both nationally and internationally |
3,849 |
| 17 |
Santa Casa da Misericórdia de Lisboascml.pt
A prestigious institution in Portugal with over five centuries of existence, dedicated to supporting the less fortunate and promoting a more compassionate society |
3,349 |
| 18 |
Lusíadas Saúdelusiadas.pt
Portuguese healthcare group focused on providing excellent services, improving healthcare system performance, and promoting health and well-being through accessible quality care |
3,254 |
| 19 |
Hospital de Santa Mariamin-saude.pt
The company is a healthcare institution that provides medical care, education, research, and innovation to ensure universal access and quality services |
3,111 |
| 20 |
Santander Portugalsantander.pt
A leading national financial institution, focused on commercial banking, offering innovative products and services, with a strong commitment to customer satisfaction and operational excellence |
3,045 |
| 21 |
ULS São Joãoportal-ulssjoao.min-saude.pt
Providing specialized medical care, surgical services, and diagnostic support while conducting clinical research and medical training as a primary national reference hospital center. |
2,975 |
| 22 |
Trofa Saúdetrofasaude.pt
A global healthcare project with a network of private clinics and hospitals focused on improving customer care and providing new experiences across multiple locations |
2,932 |
| 23 |
Portugal Telecomtelecom.pt
A telecommunications and multimedia operator in Portugal, focused on innovation and customer experience, now part of a multinational company |
2,823 |
| 24 |
Crédito Agrícolacreditoagricola.pt
Cooperative financial and insurance group focused on local banking services, supporting rural development, employment, and technological innovation in Portugal. |
2,733 |
| 25 |
Banco Montepiobancomontepio.pt
Provides universal financial services for individual customers, businesses, social economy institutions, and social entrepreneurs, while focusing on digital transformation and client relationships. |
2,396 |
| 26 |
Unidade Local de Saúde São Joséulssjose.min-saude.pt
A healthcare organization resulting from the merger of multiple health institutions, providing hospital and primary care services to a large population with a focus on acute and chronic disease management, home care, and research |
2,270 |
| 27 | 2,205 | |
| 28 |
Unidade Local de Saúde Gaia e Espinholinktr.ee
The company aims to be a leading hospital in the healthcare system, focusing on efficiency, responsibility, sustainability, and innovation Their mission is to improve population health by providing differentiated care while promoting education and research |
1,911 |
| 29 |
Banco de Portugalbportugal.pt
Central bank of Portugal focused on maintaining price stability and financial system stability, operating within the Eurosystem and European Central Banks framework |
1,867 |
| 30 |
ULS Santo Antónioulssa.pt
A healthcare organization formed by merging multiple hospitals and medical centers to provide comprehensive medical services in Portugal |
1,758 |
| 31 |
ULS Santa Mariaulssm.min-saude.pt
A healthcare company in Lisbon and Mafra, Portugal, comprising two reference hospitals, over twenty primary care units, and 7,000+ professionals serving 345,000+ patients |
1,658 |
| 32 |
Portway - Handling de Portugal S. A.portway.pt
A leading ground handling company in Portugal, serving over 80 airlines at major airports with customized, safe, and sustainable solutions |
1,652 |
| 33 |
ULS Almada-Seixalulsas.min-saude.pt
A healthcare facility serving a population of 340,000, offering a range of specialized services with 545 beds and a staff of 2,500 employees |
1,608 |
| 34 |
Centro Hospitalar e Universitário de Coimbra (CHUC)chuc.min-saude.pt
A leading Portuguese hospital and research center offering high-quality care, education, and innovation in various medical specialties |
1,603 |
| 35 |
Unidade Local de Saúde de Amadora/Sintrahff.min-saude.pt
The hospital provides specialized healthcare services to the population of Amadora and Sintra, including medical, surgical, maternity, and pediatric emergency care |
1,582 |
| 36 |
Grupo Brisagrupobrisa.pt
Leading provider of road infrastructure management and mobility services, dedicated to enhancing community quality of life through safe and sustainable transportation options |
1,510 |
| 37 |
CP - Comboios de Portugal, EPEcp.pt
A 100% state-owned public entity in Portugal, responsible for economic development and social cohesion through efficient commercial operations in land transportation |
1,496 |
| 38 |
Generali Tranquilidadegeneralitranquilidade.pt
With over 150 years of experience, we offer insurance solutions for individuals and businesses, focusing on simplicity, innovation, and customer satisfaction |
1,483 |
| 39 |
ANA - Aeroportos de Portugal, SAana.pt
management of ten airports in Portugal, operation of commercial spaces, real estate, parking, car rental, and airport infrastructure development |
1,469 |
| 40 | 1,443 | |
| 41 |
Infraestruturas de Portugalinfraestruturasdeportugal.pt
Leading a group of companies providing engineering, telecommunications, and real estate services, focusing on mobility and accessibility infrastructure management with high performance standards |
1,363 |
| 42 | 1,311 | |
| 43 |
Instituto Português de Oncologia do Porto (IPO-Porto)ipoporto.pt
The company provides timely patient-centered healthcare, prevention, research, education, and training in the field of oncology with a focus on quality, humanism, and efficiency |
1,305 |
| 44 |
ULS Bragahospitaldebraga.pt
A public hospital in Portugal with up to 704 beds, providing high-quality healthcare services to 12 million people with multidisciplinary teams and top-notch technology |
1,292 |
| 45 |
Grupo SATAazoresairlines.pt
Since 1941, the company provides air transport, tourism promotion, airfield management, and ground-handling services, connecting the Azores with various destinations worldwide |
1,215 |
| 46 |
E-REDESe-redes.pt
A company that has been distributing energy since 1976, focusing on excellence, sustainability, digital transformation, and innovation for a better future |
1,199 |
| 47 | 1,174 | |
| 48 |
Menzies Portugalmenziesaviation.com
Leading Portuguese groundhandling company for air transportation with 70+ years of experience, serving major airlines in Portugal with passenger, baggage, and cargo handling services globally |
1,114 |
| 49 |
ABANCA Portugalabanca.pt
We are a bank committed to our customers, providing innovative technology solutions to manage accounts, investments, and cards anytime, anywhere |
1,066 |
| 50 |
Hospital Beatriz Ângelohbeatrizangelo.pt
A public hospital serving a population of approximately 226,072 residents in the regions of Odivelas and Loures, providing integrated healthcare services |
1,060 |
| 51 |
Joaquim Chaves Saúdejcs.pt
With a six-decade history, the company provides top-quality healthcare services in Portugal through its clinics, laboratories, and radiology centers |
1,028 |
| 52 |
Luz Saúdeluzsaude.pt
The company is one of the largest healthcare providers in Portugal, offering hospital, outpatient clinic, specialized care, and senior living services across multiple regions |
1,021 |
| 53 |
ARSLVTmin-saude.pt
An organization with legal autonomy ensuring quality healthcare access, resource distribution, support, and performance evaluation in a specific geographical area |
1,021 |
| 54 |
SESARAMsesaram.pt
Leading health institution providing safe, quality, and innovative care to residents and visitors in the Madeira Autonomous Region through various healthcare facilities |
1,015 |
| 55 |
ULS de Coimbrachuc.min-saude.pt
A healthcare organization in Coimbra, Portugal, providing a wide range of healthcare services including public health, primary care, rehabilitation, and palliative care |
964 |
| 56 |
IPOLisboaipolisboa.min-saude.pt
A leading oncology hospital in Portugal offering specialized and differentiated cancer care, with national recognition, high quality standards, and a humanistic approach |
925 |
| 57 |
ULS Lisboa Ocidentalulslo.min-saude.pt
A healthcare group consisting of 3 hospitals in western Lisbon, providing health care services to the community in the area |
900 |
| 58 |
José de Mello Saúde
Healthcare industry leader formerly known as José de Mello Saúde rebranded to CUF, offering high-quality medical services Visit our new LinkedIn page for more information |
869 |
| 59 |
Centro Hospitalar Universitário do Algarvechualgarve.min-saude.pt
A merged healthcare institution in the Algarve region with a wide range of medical services and facilities, including rehabilitation, aiming for level II differentiation |
842 |
| 60 |
DIGI Portugaldigi.pt
Leading telecommunications company in Europe offering mobile, internet, fixed-line, and fiber optic services across various growing markets with over 22 million customers |
830 |
| 61 |
Unidade Local de Saúde de Matosinhosulsm.min-saude.pt
Integrated public health institution providing primary, hospital, and long-term care with a focus on excellence, humanity, and innovation in serving the community |
808 |
| 62 |
Lusitanialusitania.pt
With 37 years of experience in Non-Life insurance, we focus on humanistic values, social responsibility, financial strength, innovation, and customer proximity |
798 |
| 63 |
Accion Microfinance Bank Limitedaccionmfb.com
Accion Microfinance Bank empowers micro-entrepreneurs and low-income earners in Nigeria by providing financial services, including savings, loans, micro-insurance, and e-commerce |
797 |
| 64 |
Nigerian Maritime Administration and Safety Agencynimasa.gov.ng
The company is dedicated to implementing global best practices for maritime services in Nigeria |
797 |
| 65 |
Serviço de Saúde da Região Autónoma da Madeira, E.P.E. (SESARAM, E.P.E.)sesaram.pt
A government-held organization in Madeira provides integrated healthcare services to the island's population, focusing on public health promotion and clinical literacy |
797 |
| 66 |
EPAL – Empresa Portuguesa das Águas Livres, SAepal.pt
The company is a Portuguese water management company, focusing on the comprehensive management of the urban water cycle worldwide |
785 |
| 67 |
Banco CTTbancoctt.pt
The company offers simple and uncomplicated financial services, including daily management solutions, savings, and credit options, focusing on serving Portuguese families |
779 |
| 68 |
NAV PORTUGALnav.pt
The company is the air navigation service provider in Portugal, ensuring safety in the airspace over Portugal and the Atlantic Ocean |
770 |
| 69 |
Grupo Germano de Sousagermanodesousa.com
A nationwide network of laboratories and collection points, providing quality medical, technical, and scientific services to patients and healthcare professionals 24/7 |
742 |
| 70 |
Unidade Local de Saúde da Região de Leiriaulsrl.min-saude.pt
Healthcare provider in the Leiria region with a population of 400,000, encompassing multiple health centers, hospitals, and care institutions with 3,400 professionals |
738 |
| 71 |
Unidade Local de Saúde Alto Avehospitaldeguimaraes.min-saude.pt
Official account representing a local healthcare unit providing services in the Alto Ave region |
736 |
| 72 | 724 | |
| 73 |
EDP Portugaledp.com
A global energy company focused on promoting renewable sources, achieving 100% green energy by 2030, and supporting decentralized solar energy and electric mobility |
707 |
| 74 |
Metropolitano de Lisboametrolisboa.pt
A public transportation service in the Lisbon Metropolitan Area focusing on customer-oriented management, sustainability, and innovation to improve quality of life |
695 |
| 75 |
Centro Hospitalar de Setúbalulsa.min-saude.pt
Provides public hospital care services, focusing on patient well-being, health promotion, disease prevention, treatment, and rehabilitation within the Setúbal region. |
694 |
| 76 |
HI FLYhifly.aero
European wet leasing company operating worldwide with a fleet of Airbus aircraft, offering all-inclusive services with top equipment, procedures, and professionals for exceptional passenger experience |
681 |
| 77 |
Ageas Segurosageas.pt
Provides insurance products and services tailored to customer needs through a wide network of mediators and partners nationwide. |
681 |
| 78 | 665 | |
| 79 |
Ocidentalocidental.pt
One of Portugal's leading bancassurance companies, offering a wide range of life and non-life insurance solutions for individuals and businesses |
655 |
| 80 |
Hospital de Cascaishospitaldecascais.pt
A public hospital managed by a health group, offering innovative healthcare services focused on improving community health and well-being |
649 |
| 81 |
Hospital Pedro Hispanoulsm.min-saude.pt
A pioneer in integrating healthcare, academia, and innovation, focusing on holistic and personalized health promotion while prioritizing sustainability and quality care |
644 |
| 82 |
SPMS, EPE - Serviços Partilhados do Ministério da Saúdespms.min-saude.pt
A public entity providing shared services in purchasing, logistics, finance, HR, and IT to healthcare organizations in Portugal's National Health Service |
615 |
| 83 |
ULS Estuário do Tejohospitalvilafrancadexira.pt
The company is a healthcare organization focused on promoting health, preventing disease, and providing quality healthcare services to the population within its jurisdiction |
600 |
| 84 |
Hospital Cruz Vermelhahospitalcruzvermelha.pt
A prestigious national hospital with over 50 years of experience, known for its renowned medical staff and patient-focused, humanistic care |
591 |
| 85 |
Portugalia Airlinesportugalia-airlines.pt
regional airline operating Embraer aircraft, providing high-quality service, supporting TAP Group's regional market with flexible passenger capacity |
583 |
| 86 |
HPA Health Groupgrupohpa.com
A private hospital group in the Algarve providing quality medical support, including three hospitals, clinics, emergency services, and continuous patient care |
580 |
| 87 |
Unidade Local de Saúde do Tâmega e Sousaulsts.min-saude.pt
The company provides healthcare services to its geographical area, focusing on patient satisfaction, research, education, and sustainability within the national healthcare system |
558 |
| 88 |
Unidade Local de Saúde do Médio Tejoulsmt.min-saude.pt
Integrated healthcare services provider in the Médio Tejo region, combining hospitals, primary care centers, and healthcare services in Vila de Rei municipality |
554 |
| 89 |
HAITONGhaitongib.com
A global investment bank providing expertise in structured finance, capital markets, M&A advisory, fixed income, corporate derivatives, and asset management Operating in 14 countries |
544 |
| 90 |
Allianz Portugalallianz.pt
An insurance company part of the Allianz Group, providing innovative and digital solutions for personal, family, and business needs with a focus on sustainability and community partnerships |
515 |
| 91 |
Bankinter Portugalbankinter.pt
A leading brand in digital banking, focusing on quality service, innovation, and a wide range of financial products for families and businesses |
515 |
| 92 | 510 | |
| 93 |
Banco Credibom SAcredibom.pt
Provides specialized financial solutions and services for consumers, including credit and financing products tailored to individual needs. |
459 |
| 94 |
SYNLAB Portugalsynlab.pt
The company is a European leader in medical laboratory services, operating in over 36 countries and providing a full range of services to patients, healthcare professionals, clinics, and the pharmaceutical industry |
409 |
| 95 |
Banco de Investimento Globalbig.pt
The company believes in the value of financial advice and information to help individuals make better decisions They prioritize their clients' projects, expectations, and trust |
391 |
| 96 |
Greenvolt Nextgreenvolt.com
A renewable energy industry leader providing tailored energy solutions in 12 European markets, such as on-site EPCs, corporate PPAs, self-consumption, and more |
372 |
| 97 |
ENGIE Energy Solutionsengie.pt
Global energy player focusing on electricity, natural gas, and energy services, providing innovative and efficient solutions for sustainable energy and climate change challenges |
351 |
| 98 |
Veolia Portugalveolia.pt
A global group providing innovative solutions for water, waste, and energy management Committed to sustainable practices and ecological transformation worldwide |
326 |
| 99 |
ActivoBankactivobank.pt
The company, founded in 1994, aims to simplify people's lives by offering simple, transparent, and innovative banking products and services |
325 |
| 100 |
Real Vida Seguros, S.A.realvidaseguros.pt
A Portuguese insurance company specializing in life and capitalization products, acquired by a financial group in 2013, with a history dating back to 1989 |
321 |
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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 Oct 24, 2026.
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- Manufacturers in Portugal 56
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- Food and beverage companies in Portugal 30