| # | Company | Employees |
|---|---|---|
| 1 | 13,952 | |
| 2 |
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 |
| 3 | 6,905 | |
| 4 |
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 |
| 5 |
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 |
| 6 | 5,389 | |
| 7 |
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 |
| 8 | 4,014 | |
| 9 |
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 |
| 10 |
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 |
| 11 |
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 |
| 12 |
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 |
| 13 |
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 |
| 14 |
Portugal Telecomtelecom.pt
A telecommunications and multimedia operator in Portugal, focused on innovation and customer experience, now part of a multinational company |
2,823 |
| 15 |
Crédito Agrícolacreditoagricola.pt
Cooperative financial and insurance group focused on local banking services, supporting rural development, employment, and technological innovation in Portugal. |
2,733 |
| 16 |
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 |
| 17 |
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 |
| 18 | 2,205 | |
| 19 |
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 |
| 20 |
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 |
| 21 |
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 |
| 22 |
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 |
| 23 |
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 |
| 24 |
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 |
| 25 |
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 |
| 26 | 1,311 | |
| 27 |
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 |
| 28 | 1,174 | |
| 29 |
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 |
| 30 |
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 |
| 31 |
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 |
| 32 |
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 |
| 33 |
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 |
| 34 |
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 |
| 35 |
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 |
| 36 |
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 |
| 37 |
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 |
| 38 |
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 |
| 39 |
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 |
| 40 |
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 |
| 41 |
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 |
| 42 |
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 |
| 43 |
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 |
| 44 |
Ageas Segurosageas.pt
Provides insurance products and services tailored to customer needs through a wide network of mediators and partners nationwide. |
681 |
| 45 | 665 | |
| 46 |
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 |
| 47 |
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 |
| 48 |
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 |
| 49 |
Portugalia Airlinesportugalia-airlines.pt
regional airline operating Embraer aircraft, providing high-quality service, supporting TAP Group's regional market with flexible passenger capacity |
583 |
| 50 |
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 |
| 51 |
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 |
| 52 |
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 |
| 53 |
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 |
| 54 |
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 |
| 55 |
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 |
| 56 |
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 |
| 57 |
ActivoBankactivobank.pt
The company, founded in 1994, aims to simplify people's lives by offering simple, transparent, and innovative banking products and services |
325 |
| 58 |
Banco Finantiafinantia.com
A global bank specializing in private banking and corporate & investment banking, providing financial products and services with international presence and positive results |
292 |
| 59 |
Caixa - Banco de Investimentocaixabi.pt
Investment banking platform within the largest Portuguese banking group, offering a wide range of financial services with a focus on quality, innovation, and performance |
235 |
| 60 | 129 | |
| 61 |
Bison Bankbisonbank.com
European-based bank with private Chinese capital offering wealth management, depositary & custody, and investment banking services connecting European and Asian markets Headquarters in Lisbon |
105 |
| 62 |
BPI Vida e Pensõesbpividaepensoes.pt
Market leader in long-term savings, pensions, and insurance products in Portugal Focus on customer well-being, innovation, and sustainable development |
83 |
| 63 | 66 |
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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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