| # | Company | Employees |
|---|---|---|
| 1 |
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 |
| 2 |
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 |
| 3 |
Mercadona Portugalmercadona.pt
A family supermarket company in Portugal focused on providing high-quality products in food, beverages, personal care, housekeeping, and pet care |
1,266 |
| 4 |
TIFFOSItiffosi.com
A global retailer offering a range of denim clothing items, from indigo jeans to washed jackets, for a stylish denim statement |
839 |
| 5 |
Câmara Municipal de Vila Nova de Gaiacm-gaia.pt
Local government focusing on innovation, digital transformation, transparency, and collaboration to enhance public services and community engagement. |
827 |
| 6 |
Soares da Costasoaresdacosta.com
Specializing in civil construction, engineering, infrastructures, and industrial activities, we have over 90 years of experience in adapting to market changes |
728 |
| 7 |
SOGRAPEsogrape.com
A global wine producer with a history of innovation, boasting top quality wines from vineyards in five different countries |
674 |
| 8 |
Caetano Autocaetano.toyota.pt
A subsidiary of Grupo Salvador Caetano specializing in selling new and used TOYOTA and LEXUS vehicles, offering automotive services, parts, and accessories across Portugal |
618 |
| 9 |
icligoicligo.com
An innovative platform connecting travelers with independent consultants, offering a wide range of travel options and empowering individuals to become entrepreneurs |
613 |
| 10 |
afaplanafaplan.com
An experienced group providing management and engineering solutions for construction projects across 4 continents, with offices in Portugal, Brazil, Mozambique, and Angola |
579 |
| 11 |
Toyota Caetano Portugal, S.A.toyotacaetano.pt
Established in 1946, the group imports and distributes Toyota vehicles, commercial machinery, and assembles vehicles for export markets |
435 |
| 12 |
CaetanoBuscaetanobus.pt
A bus and chassis manufacturer in Portugal, specializing in electric mobility solutions for cities, airports, and airport bus transportation |
319 |
| 13 |
DS INTERMEDIÁRIOS DE CRÉDITOdsicredito.pt
A company specialized in credit mediation and consultancy services, providing personalized advice to find the best banking conditions for clients |
314 |
| 14 |
WINPROVITwinprovit.pt
Specializing in sourcing, maintaining, and supporting IT solutions worldwide while empowering employees to achieve their full potential and satisfy customers' needs |
293 |
| 15 |
DS Segurosdsseguros.pt
Specialized in insurance mediation, part of a group with over 20 years of experience Provides personalized advice to individuals and businesses, offering innovative insurance solutions |
225 |
| 16 |
Ricoh Portugalricoh.pt
A global technology company transforming the way people work through innovative services and technologies promoting sustainability and business growth |
171 |
| 17 |
Chave Novachavenova.com
A Portuguese Real Estate business with almost 200 professionals, 15 stores, and 12 exclusive sales stands, operating in multiple regions |
170 |
| 18 |
Gaiurb, EMgaiurb.pt
Specializing in urban planning, social housing, and urban rehabilitation in Vila Nova de Gaia, the company aims to enhance the city's aesthetic landscape |
164 |
| 19 |
GIS - Segurança Privada, Unipessoal, Lda.gissegur.com
The company specializes in private security solutions, focusing on continuous training, quality services, customer satisfaction, and ISO 9001:2015 Quality Management System |
147 |
| 20 |
ALERT Life Sciences Computingalert-online.com
A global healthcare software company specializing in comprehensive solutions for digitizing healthcare systems at national, regional, and individual levels |
87 |
| 21 |
XPLORxplor.solutions
Expert in cloud solutions for digital transformation, specializing in enterprise resource planning, tailored for various industries including insurance and payments. |
73 |
| 22 |
Cognos Formação e Desenvolvimento Pessoalcognos.pt
National brand providing highly qualified training to meet the needs of a competitive job market, focusing on personal and professional development through knowledge management |
36 |
| 23 |
IPBRICKipbrick.com
Specializing in Corporate Communication Solutions, this company offers a robust Communication Platform with expertise in Document Management, Social Networking, Unified Communications, and Groupware |
34 |
| 24 |
DS TRAVELdstravel.pt
A national travel brand part of a market-leading group, offering personalized travel and tourism services with experienced professionals and non-exclusive credit intermediation services |
32 |
| 25 | 25 | |
| 26 |
OUTLiNK marketing, publicidade e eventosoutlink.pt
The company specializes in stand assembly, vinyl application, and providing experienced promoters for events, offering customization and professional lighting services |
6 |
| 27 |
7g Roaster & Apartments7groaster.pt
A Specialty Coffee space with all-day brunch and modern apartments for accommodation in the historic area of Porto, located at Cais de Gaia |
4 |
| 28 |
B.E.S.T SLbestsl.pt
Company specializing in business marketing through merchandising and promoters, creating and managing promotional events to promote companies through advertising |
2 |
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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.