| # | Company | Employees |
|---|---|---|
| 1 |
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 |
| 2 | 13,952 | |
| 3 |
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 |
| 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 |
MERCADOagenciamercado.com
Creative agency specializing in relationship marketing strategies, digital tools, and metrics to help brand owners achieve key objectives |
6,557 |
| 7 | 6,367 | |
| 8 |
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 |
| 9 |
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 |
| 10 | 5,389 | |
| 11 | 4,950 | |
| 12 |
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 |
| 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 |
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 |
| 15 | 4,014 | |
| 16 |
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 |
| 17 |
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 |
| 18 |
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 |
| 19 |
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 |
| 20 |
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 |
| 21 |
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 |
| 22 |
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 |
| 23 |
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 |
| 24 |
Portugal Telecomtelecom.pt
A telecommunications and multimedia operator in Portugal, focused on innovation and customer experience, now part of a multinational company |
2,823 |
| 25 |
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 |
| 26 |
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 |
| 27 |
Crédito Agrícolacreditoagricola.pt
Cooperative financial and insurance group focused on local banking services, supporting rural development, employment, and technological innovation in Portugal. |
2,733 |
| 28 |
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 |
| 29 |
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 |
| 30 |
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 |
| 31 |
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 |
| 32 | 2,332 | |
| 33 |
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 |
| 34 |
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 |
| 35 |
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 |
| 36 | 2,205 | |
| 37 |
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 |
| 38 |
GMSmaksen.com
Provides strategic, business, and IT consulting, technology solutions, engineering services, and outsourcing for various business needs and operations. |
2,105 |
| 39 |
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 |
| 40 |
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 |
| 41 |
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 |
| 42 |
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 |
| 43 |
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 |
| 44 |
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 |
| 45 |
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 |
| 46 |
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 |
| 47 |
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 |
| 48 |
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 |
| 49 |
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 |
| 50 |
Bosch Portugalbosch.pt
A leading IoT company offering innovative solutions for smart homes, cities, industry, and mobility Focused on creating a connected lifestyle and improving quality of life |
1,542 |
| 51 |
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 |
| 52 |
KPMG Portugalkpmg.com
Global professional services firm offering Audit, Tax, and Advisory services in 143 countries, with expertise and innovation to deliver real results |
1,498 |
| 53 |
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 |
| 54 |
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 |
| 55 |
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 |
| 56 |
Marinha Portuguesa - Página Oficialmarinha.pt
The Navy is a branch of the Armed Forces with administrative autonomy, integrated into the State administration through the Ministry of National Defense |
1,445 |
| 57 |
Noesisnoesis-corporation.com
Provides IT consulting and digital transformation services including cloud, security, software development, data analytics, and enterprise solutions across multiple countries. |
1,399 |
| 58 |
ClíniCA da Criança e do Adolescenteclinica.com.pt
A specialized multidisciplinary clinic focused on the physical and emotional well-being of infants, children, and adolescents, offering various medical and non-medical services |
1,391 |
| 59 | 1,311 | |
| 60 |
Celfocuscelfocus.com
European tech integrator specializing in Analytics and Cognitive solutions for Telecom, Energy, Finance industries Agile delivery, AI-driven transformations, global presence |
1,297 |
| 61 |
5 Estações5estacoes.pt
Established in 1994, this technology information services company excels in projects with a reliable team, focused on responsibility, transparency, and quality |
1,211 |
| 62 |
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 |
| 63 |
Instituto da Segurança Socialseg-social.pt
Providing efficient social security services to ensure the protection and social inclusion of individuals, based on trust, ethics, innovation, and solidarity |
1,183 |
| 64 | 1,174 | |
| 65 |
Randstad Portugalrandstad.pt
Global human resources leader managing daily operations for thirty thousand workers across Portugal through local branches, contact centers, and specialized inhouse recruitment locations. |
1,165 |
| 66 |
Santogalsantogal.pt
A leading automotive retailer with a wide range of car and motorcycle brands, providing top-notch service and customer satisfaction for over 70 years |
1,149 |
| 67 |
FNAC Portugalfnacdarty.pt
A European leader in cultural, technological, and leisure goods distribution with a unique concept focusing on experiential spaces and omnichannel customer experience |
1,146 |
| 68 |
Universidade Católica Portuguesaucp.pt
A prestigious Portuguese university focused on quality teaching, research, and values, aiming to graduate more students in STEAM areas and support skills development |
1,131 |
| 69 |
Cruz Vermelha Portuguesa ✔️cruzvermelha.pt
A Portuguese humanitarian organization provides assistance to the most vulnerable, following international humanitarian principles, aiming to prevent and alleviate suffering |
1,131 |
| 70 | 1,118 | |
| 71 |
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 |
| 72 |
El Corte Inglés Portugalelcorteingles.pt
Leading Spanish department store group with over 70 years of experience, focusing on customer service and diversified retail formats. |
1,097 |
| 73 |
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 |
| 74 |
Axians Portugalaxians.pt
Delivers technology and services for digital transformation, specializing in telecom infrastructure, cloud, datacenters, enterprise networks, digital workspace, data analytics, and cybersecurity. |
1,052 |
| 75 |
Sacoor Brotherspt.sacoorbrothers.com
A Portuguese premium fashion retailer offering timeless elegance in apparel, shoes, accessories, and more for men, women, and kids |
1,030 |
| 76 |
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 |
| 77 |
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 |
| 78 |
Sonae Sierrasonaesierra.com
An innovative real estate company creating sound investments worldwide, specializing in shopping, public spaces, living spaces, management, and turnkey projects |
998 |
| 79 |
Ministério dos Negócios Estrangeirosmne.gov.pt
This company's duties include protecting citizens abroad, conducting international negotiations, promoting cooperation with global partners, and defining political frameworks for international missions |
963 |
| 80 | 950 | |
| 81 |
Faculdade de Medicina da Universidade de Lisboamedicina.ulisboa.pt
A medical school integrated within the University of Lisbon, providing training for physicians, conducting research in medicine and biomedical sciences |
940 |
| 82 |
Ordem dos Advogados Portuguesesportal.oa.pt
A professional association representing practicing lawyers, operating independently from the State with regulatory functions and freedom in its activities |
933 |
| 83 |
Secilsecil-group.com
A leading cement producer in Portugal, with international presence in Tunisia, Angola, Lebanon, Brazil, Spain, and the Netherlands, owned by Semapa holding company |
930 |
| 84 |
2045 - Empresa de Segurança, S.A.2045.pt
The company provides private security services, specializing in security planning, consulting, information security, specialized personnel, electronic security systems, and canine security |
926 |
| 85 |
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 |
| 86 |
Claranet Portugalclaranet.pt
A technology services provider founded in 1996, specializing in modernizing and managing critical applications and infrastructure for over 10,000 customers globally |
914 |
| 87 |
Fundação para a Ciência e a Tecnologia (FCT)fct.pt
A Portuguese agency funding science and technology, coordinating public policies, managing national research network, connecting research with industry, and supporting diverse research areas |
903 |
| 88 |
Arrow Global Portugalarrowglobal.pt
A vertically integrated alternative investment fund manager in Europe focused on credit and real estate, with €70 billion under management |
901 |
| 89 |
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 |
| 90 |
Champalimaud Foundationfchampalimaud.org
The company focuses on advanced biomedical research, translating scientific discoveries into solutions to improve global healthcare with ethical standards |
894 |
| 91 |
NPFnpf.com.pt
A Portugal-based software development company specializing in advanced consultancy services to innovate solutions for the Travel Industry |
886 |
| 92 |
TEKEVERtekever.com
Leading provider of real-time maritime surveillance solutions, using software, electronics, and aerospace expertise to enhance safety and save lives worldwide |
885 |
| 93 | 884 | |
| 94 |
Calouste Gulbenkian Foundationgulbenkian.pt
A private institution supporting arts, charity, education, and science through various activities, grants, scholarships, orchestras, choirs, exhibitions, conferences, and publications |
878 |
| 95 |
Faculdade de Ciências da Universidade de Lisboaciencias.ulisboa.pt
The Faculty of Sciences at Universidade de Lisboa offers high-quality scientific education, research, and collaboration opportunities, producing professionals for the global market |
858 |
| 96 |
Faculty of Veterinary Medicineutl.pt
A prestigious institution in Portugal, offering veterinary education since 1830, emphasizing academic excellence, scientific progress, community service, and lifelong learning |
845 |
| 97 |
Prestibel - Empresa de Segurança, S.A.prestibel.pt
A company specializing in private security services, providing human and electronic surveillance Offers accredited training centers and has a history of securing major events |
841 |
| 98 |
NOVA Medical School - Faculdade de Ciências Médicasnms.unl.pt
A medical school within NOVA University of Lisbon offering medical education, postgraduate training, and research in collaboration with associated healthcare units |
837 |
| 99 |
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 |
| 100 |
SANA Hotelssanahotels.com
SANA Hotels offers exclusive and diverse hotel experiences across Portugal, Germany, and Angola, with over 2500 guestrooms and extensive wellness facilities |
826 |
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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.
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