| # | 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 |
Jerónimo Martinsjeronimomartins.com
Operates international food distribution and specialized retail chains across Europe and Colombia while managing agribusiness operations in dairy, beef, aquaculture, and fresh produce sectors. |
35,282 |
| 3 | 24,998 | |
| 4 | 13,952 | |
| 5 |
MCmc.sonae.pt
Portuguese food retail market leader managing hypermarkets, supermarkets, e-commerce, drugstores, and specialty stores including coffee shops, bakeries, and organic food restaurants. |
12,673 |
| 6 |
Pingo Docepingodoce.pt
Leading supermarket chain in Portugal with over 400 stores in 300 locations offering high quality food products at competitive prices |
9,718 |
| 7 |
Mota-Engilmota-engil.com
Multinational group specializing in engineering, construction, environment, transport concessions, energy, and mining across Europe, Africa, and Latin America. |
9,395 |
| 8 |
Festo Portugalfesto.com
Global provider of automation solutions using pneumatic technology, electronics, and networks for industrial processes, offering components, systems, consulting, training for maximum productivity |
8,352 |
| 9 |
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 |
| 10 | 6,905 | |
| 11 |
MERCADOagenciamercado.com
Creative agency specializing in relationship marketing strategies, digital tools, and metrics to help brand owners achieve key objectives |
6,557 |
| 12 | 6,400 | |
| 13 | 6,367 | |
| 14 |
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 |
| 15 |
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 |
| 16 | 5,389 | |
| 17 |
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 |
| 18 |
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 |
| 19 |
Teixeira Duarteteixeiraduarte.pt
A diversified, publicly held Economic Group with operations in construction, concessions, real estate, hospitality, distribution, and automotive sectors across 22 countries |
5,088 |
| 20 | 4,950 | |
| 21 |
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 |
| 22 |
Públicopublico.pt
A Portuguese media organization, part of a larger business group, founded in 1989, publishing a newspaper and operating a digital news service |
4,826 |
| 23 |
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 |
| 24 |
Faculdade de Engenharia da Universidade do Portoup.pt
A renowned institution with a history dating back to 1837, known for its exceptional research and teaching in the field of engineering |
4,445 |
| 25 |
Instituto Superior Técnicotecnico.ulisboa.pt
Leading institution in Portugal for Engineering, Science, Technology, and Architecture education Focused on research, innovation, and preparing students for the challenges of the 21st century |
4,432 |
| 26 |
Lidl Portugallidl.pt
A retail company with over 25 years of presence in Portugal, offering high-quality products at the best prices while prioritizing sustainability and societal responsibility |
4,411 |
| 27 |
Universidade do Portoup.pt
Leading Portuguese institution offering high quality education and research, fostering innovation, entrepreneurial spirit, and social development, with a goal to become a top global university |
4,298 |
| 28 |
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 |
| 29 | 4,014 | |
| 30 |
Exército Portuguêsexercito.pt
A credible and modern organization dedicated to defending the country, participating in international missions, and improving the quality of life for populations |
3,898 |
| 31 |
Secretaria Municipal de Saúde - SESAU
Healthcare organization based in Santo Estêvão, Brazil, providing hospital and health services through the Secretaria Municipal de Saúde - SESAU |
3,887 |
| 32 |
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 |
| 33 |
Worten Portugalcareers.worten.pt
A technology brand in Portugal and Spain offering innovative products, competitive prices, and a wide range of services through stores and online |
3,781 |
| 34 |
Parfoisparfois.com
A fast-growing brand offering women's fashion accessories and clothing with stores in over 80 countries, known for trendy designs and affordable prices |
3,708 |
| 35 |
Universidade de Aveiroua.pt
Provides undergraduate and postgraduate education, generates research, and promotes cooperation with society since 1973 as a dynamic and innovative public foundation. |
3,703 |
| 36 |
Escritório de Advocaciabcadvogados.pt
Law office providing legal counsel and business advisory services |
3,641 |
| 37 |
Universidade Nova de Lisboaunl.pt
A renowned public institution in Lisbon offering higher education and research, known for innovation, cultural contributions, and international partnerships |
3,387 |
| 38 |
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 |
| 39 |
Grupo Salvador Caetanoempregosalvadorcaetano.pt
An international automotive group with over 75 years of experience, focused on redefining business models and providing customer-centric mobility solutions |
3,332 |
| 40 |
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 |
| 41 |
MDS Groupmdsgroup.com
A multinational brokerage firm specializing in risk management, insurance, and benefits consulting, with a focus on innovation, technology, and client satisfaction globally |
3,218 |
| 42 |
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 |
| 43 |
Posto de Saúdepostodesaude.pt
A hospital and health care provider located in Praia da Vitória, Portugal, offering medical services to its community |
3,047 |
| 44 |
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 |
| 45 |
Critical TechWorkscriticaltechworks.com
This company is developing innovative software systems for future BMW vehicles, focusing on autonomous driving, electrification, car sharing, and connectivity |
3,040 |
| 46 |
Universidade de Coimbrauc.pt
Portuguese public higher education institution, providing education, training, and research, with a rich heritage and global recognition in sustainable development. |
2,988 |
| 47 |
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 |
| 48 |
Câmara Municipal de Lisboalisboa.pt
The Municipal Chamber of Lisbon is responsible for defining and implementing policies to promote development in various areas within the municipality |
2,959 |
| 49 |
VILA GALÉ HOTÉISvilagale.com
Manages fifty-one international hotels across Portugal, Brazil, Cuba, and Spain while developing new tourism projects and constructing diverse luxury hospitality ventures worldwide. |
2,941 |
| 50 |
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 |
| 51 |
Portugal Telecomtelecom.pt
A telecommunications and multimedia operator in Portugal, focused on innovation and customer experience, now part of a multinational company |
2,823 |
| 52 |
AT - Autoridade Tributária e Aduaneiraportaldasfinancas.gov.pt
National entity managing taxes, customs rights, border control for fiscal, economic, societal protection Negotiates international agreements, collaborates with taxpayers, promotes tax compliance, innovation through digital platforms |
2,786 |
| 53 |
Grupo Ageas Portugalgrupoageas.pt
Founded in 1824, this international insurance group operates in 14 countries, with a strong presence in Portugal focusing on partnerships and societal development through various brands and services |
2,757 |
| 54 |
Crédito Agrícolacreditoagricola.pt
Cooperative financial and insurance group focused on local banking services, supporting rural development, employment, and technological innovation in Portugal. |
2,733 |
| 55 |
Sodeciasodecia.com
Global company with 39 business units across five continents, specializing in stamping, welding, automotive components, tools & equipment manufacturing, and collaborative engineering services |
2,719 |
| 56 |
Nova School of Business and Economicsnovasbe.unl.pt
A leading business school in Europe with triple crown accreditation, offering Masters, Executive Education, and MBA programs ranked internationally |
2,628 |
| 57 |
Exército Portuguêsexercito.pt
The company is a credible and modern army, focused on defense and contributing to national security, international missions, and civil protection |
2,620 |
| 58 |
Polícia de Segurança Públicapsp.pt
A uniformed and armed security force in Portugal, established in 1867, focused on public service and administrative autonomy Visit wwwpsppt for more information |
2,450 |
| 59 |
Força Aérea Portuguesa | Portuguese Air Forceemfa.pt
Military branch of the Portuguese Armed Forces, specializing in air defense of the Republic |
2,424 |
| 60 |
GNR - Guarda Nacional Republicanagnr.pt
The company is a military nature security force ensuring democracy, internal security, citizens' rights, and collaborating in national defense policy |
2,414 |
| 61 |
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 |
| 62 |
VASP - Distribuição e Logística, S.A.vasp.pt
A company distributing newspapers and magazines in Portugal, owned by three major media companies including Impresa, Global Media, and Cofina |
2,370 |
| 63 | 2,332 | |
| 64 |
Accenture Portugalaccenture.com
A global professional services company focusing on digital innovation, optimizing operations, driving revenue growth, and enhancing citizen services for organizations worldwide |
2,316 |
| 65 |
Efacecefacec.com
Innovative solutions provider for energy, mobility, and the environment Specializing in technologically advanced products and systems for global markets |
2,312 |
| 66 |
The Navigator Companythenavigatorcompany.com
Integrated producer of forest, pulp, paper, tissue, and energy with strong focus on innovation, sustainability, and carbon neutrality goals. |
2,282 |
| 67 |
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 |
| 68 | 2,267 | |
| 69 | 2,205 | |
| 70 |
University of Lisbonulisboa.pt
A prestigious university in Lisbon offering a wide range of programs with high-quality teachers, fostering academic success and career opportunities for students |
2,203 |
| 71 |
Kirby Building Systems - A group company of Alghanim Industrieskirbyinternational.com
A global leader in pre-engineered steel buildings with a wide range of applications, manufacturing high-quality products and providing tailored solutions worldwide |
2,187 |
| 72 |
Volkswagen Autoeuropavolkswagenautoeuropa.pt
A major foreign investor in Portugal, producing the Volkswagen T-Roc model, with a large workforce and high production volume |
2,112 |
| 73 |
GMSmaksen.com
Provides strategic, business, and IT consulting, technology solutions, engineering services, and outsourcing for various business needs and operations. |
2,105 |
| 74 |
Câmara Municipal do Portocm-porto.pt
This organization promotes the well-being and comfort of citizens in Porto by fostering economic and cultural development, competitiveness, and sustainability |
2,097 |
| 75 |
Delta Cafésdeltacafes.com
Leading coffee company with over 60 years, operating in 40 countries, focusing on innovation, strong commercial network, and global expansion. |
2,051 |
| 76 |
Sport Lisboa e Benficaslbenfica.pt
A highly decorated and influential football club with a large fan base worldwide, known for nurturing top football talent and innovative marketing strategies |
2,036 |
| 77 |
Seven Up Bottling Companysevenup.org
Manufactures and distributes popular soft drink brands including Pepsi, Mirinda, Seven Up, Mountain Dew, and Aquafina water in Nigeria. |
2,025 |
| 78 |
+ Vendasmaisvendas.pt
A +Vendas offers professional solutions for critical business areas, specializing in sales impact through commercial and marketing, HR training, organizational management, and investment projects |
1,975 |
| 79 |
University of Macauum.edu.mo
An international public university in Macao offering whole-person education with a multicultural campus, faculty from around the world, and global rankings |
1,956 |
| 80 |
Iscte - Instituto Universitário de Lisboaiscte-iul.pt
A public university focusing on teaching, research, and community service to educate specialists for sustainable development at national and global levels |
1,952 |
| 81 |
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 |
| 82 |
PwC Portugalpwc.pt
Global network providing quality auditing, consulting, and tax services in 152 countries with over 328,000 employees across various offices Led by experienced Territory Leadership Team |
1,901 |
| 83 |
Anything Corporationanything-corporation.com
A New York-based media agency specializing in content creation, marketing strategy, image consulting, serving diverse clients and supporting local communities |
1,892 |
| 84 |
Trivalor SGPS, SAwww3.trivalor.pt
Trivalor specializes in Business & Facility Services outsourcing, offering national capital and a commitment to excellence in serving well-being Visit wwwtrivalorpt |
1,884 |
| 85 |
Universidade Lusófona - Centro Universitário Lisboaulusofona.pt
Higher education institution in Lisbon offering diverse programs from Bachelor's to PhD level with an international focus on teaching and research |
1,876 |
| 86 |
Availableavailableremodelacoes.pt
Construction of homes, renovations, interior decoration, and project design services in Setúbal, Portugal |
1,870 |
| 87 |
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 |
| 88 |
Empresa Qualquer
The company provides a variety of services and solutions in the field of technology, catering to a wide range of clients |
1,858 |
| 89 |
Rovensarovensa.com
Global leader in sustainable agricultural solutions, developing and commercializing innovative products to help farmers produce safe, healthy, and nutritious food worldwide |
1,834 |
| 90 |
Tivoli Hotels & Resortstivolihotels.com
Tivoli Hotels & Resorts offers unique and authentic hotel experiences in various destinations worldwide, focusing on exceptional service and innovative offerings |
1,825 |
| 91 |
Nors Groupnors.com
Global leader in automotive and construction equipment sectors with a 90-year history, operating in 17 countries on 4 continents, building trust through lasting relationships |
1,809 |
| 92 |
Martifer Groupmartifer.com
A multinational industrial group focused on the metallic construction sector, with around 1,400 employees and listed on Euronext Lisbon |
1,791 |
| 93 |
Sporting Clube de Portugalsporting.pt
Portuguese sports organization, global presence, over 20,000 titles, 30 European cups, 124 Olympians, strong fan base, academy football. |
1,775 |
| 94 |
ULS Santo Antónioulssa.pt
A healthcare organization formed by merging multiple hospitals and medical centers to provide comprehensive medical services in Portugal |
1,758 |
| 95 | 1,736 | |
| 96 |
Universidade do Algarveualg.pt
The University of Algarve offers a wide range of undergraduate, master's, and doctorate programs in various fields, emphasizing research and international partnerships |
1,718 |
| 97 |
OGMA-Indústria Aeronáutica de Portugal, SAogma.pt
A Portuguese aeronautical company, part of the Embraer Group, offering aircraft maintenance, engineering, and manufacturing services with a global reach |
1,676 |
| 98 |
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 |
| 99 |
Deloitte Portugaldeloitte.pt
Global network of professionals providing audit, business consulting, financial advisory, risk management, tax services, across various industries, focusing on client needs and excellence |
1,654 |
| 100 |
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 |
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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 9, 2026.
More company lists in Portugal
- Higher Education companies in Portugal 108
- IT Services and IT Consulting companies in Portugal 96
- Software Development companies in Portugal 81
- Hospitals and Health Care companies in Portugal 69
- SaaS companies in Portugal 56
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- Construction companies in Portugal 44
- Financial Services companies in Portugal 41
- Retail companies in Portugal 41
- Food and Beverage Services companies in Portugal 40
- Hospitality companies in Portugal 33
- Motor Vehicle Manufacturing companies in Portugal 31
- Real Estate companies in Portugal 31
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- Wellness and Fitness Services companies in Portugal 28