The largest consulting firms in Portugal are primarily focused on IT services and business consulting, with a strong presence of global players and a mix of established and younger companies. Accenture Portugal and GMS are prominent in IT services and consulting, while PwC Portugal, Deloitte Portugal, and KPMG Portugal offer broad business consulting, audit, and tax services. MDS Group stands out in insurance brokerage and risk management.
Most of these firms, such as Accenture Portugal, GMS, PwC Portugal, Deloitte Portugal, KPMG Portugal, Noesis, and Celfocus, are headquartered in Lisbon, indicating a concentration of consulting activities in the capital. Critical Software, based in Coimbra, and MDS Group, based in Porto, represent other significant regional hubs for these services.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
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 | |||
| 2 |
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 | |||
| 3 |
GMSmaksen.com
Provides strategic, business, and IT consulting, technology solutions, engineering services, and outsourcing for various business needs and operations. |
2,105 | |||
| 4 |
+ 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 | |||
| 5 |
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 | |||
| 6 |
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 | |||
| 7 |
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 | |||
| 8 |
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 | |||
| 9 |
Critical Softwarecriticalsoftware.com
This company engineers transformative technologies in aerospace, transport, energy, healthcare, and finance, with a focus on sustainability and social impact |
1,355 | |||
| 10 |
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 | |||
| 11 | 1,190 | ||||
| 12 |
Grupo Rumosrumos.pt
A business group specializing in training, professional certification, HR and IT services, and education in Portugal, Spain, Angola, and Mozambique |
1,161 | |||
| 13 |
Glintt Globalglinttglobal.com
A global technology leader with over 30 years of experience, focusing on providing stability in a rapidly changing society through innovative health and technology solutions |
1,062 | |||
| 14 |
Aubay Portugalaubay.pt
Aubay provides technology consulting and modernization services with innovation at its core, offering customized solutions for IT needs and resource management |
784 | |||
| 15 | 767 | ||||
| 16 |
Linklinkconsulting.com
Provider of technology solutions for various industries globally, with a focus on Information and Communication Technologies, serving national and international clients |
761 | |||
| 17 |
Timestamptimestampgroup.com
Specialized technology integrator, developing integrated systems for organizations worldwide Leading Oracle solutions provider in Iberia, with expertise in complex, scalable projects since 2003 |
730 | |||
| 18 |
Quadrantequadranteglobal.com
Global engineering and architecture consultancy group providing high value services in various sectors worldwide, emphasizing trust, design, delivery, and added value to clients |
715 | |||
| 19 |
Magma Studiomagmastudio.pt
A boutique specializing in employer branding, assisting large organizations in defining talent management strategies and initiatives Passionate about education, offering career accelerators and training programs |
646 | |||
| 20 |
Companhia Própriacompanhiapropria.pt
The company aims to enhance knowledge and skills for individuals and organizations through innovative solutions and education projects in Portuguese-speaking markets |
585 | |||
| 21 |
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 | |||
| 22 |
INEGI driving science & innovationinegi.pt
Organisation devoted to carry out research and technology-based innovation activities, technology transfer, consulting and technological services. |
520 | |||
| 23 |
Mindera - Portugalmindera.com
A global software engineering company that creates web and mobile applications with a focus on collaboration, self-organization, and delivering high-performance solutions for clients worldwide |
519 | |||
| 24 |
Softinsasoftinsa.pt
A specialized company with 22 years of experience in application and infrastructure management, development services, and a team of over 1000 professionals |
517 | |||
| 25 | 509 | ||||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
NewSpring Servicesnewspring.pt
An outsourcing company providing consulting, back-office, front-office, and contact center operations focused on promoting client growth through innovative information systems and solutions |
501 | |||
| 27 |
Neotalent Conclusionneotalentconclusion.com
A leading Iberian specialist in IT and engineering services, focused on digital transformation through specialized talent for ambitious projects |
496 | |||
| 28 |
AGS Water Solutionsags.pt
An environmental preservation company specializing in water system management, engineering services, and maintenance operating in Portugal and Brazil |
473 | |||
| 29 |
Vincitvincit.com
Global experts driving businesses forward through digital technology Award-winning workplace Listed on Nasdaq Focus on practical solutions for success |
470 | |||
| 30 |
Geocontrolegeocontrole.com
A leading geotechnical player in Portugal offering ground investigation, laboratory testing, consultancy services, and exclusive technologies in the market |
462 | |||
| 31 |
COBA - Engineering and Environmental Consultantscobagroup.com
Multinational engineering and environmental consultants. Provides engineering consultancy services, project management, and supervision globally since 1962. |
432 | |||
| 32 |
Affinityaffinity.pt
Consulting company providing IT outsourcing, nearshoring services, and HR-oriented product development with a global presence and community focus. |
425 | |||
| 33 |
InnoWaveinnowave.tech
A global technology and consulting company focused on disrupting digital experiences, accelerating enterprise transformation, and optimizing application development & operations to change lives through innovation |
416 | |||
| 34 |
Decskilldecskill.com
Provides technology solutions, specializing in nearshoring, software development, quality assurance, data analytics, cloud, DevOps, and AI to empower digital transformation. |
416 | |||
| 35 |
IEP - Instituto Electrotécnico Portuguêsiep.pt
Established in 1981, the company provides innovative and high-quality technological solutions in areas such as inspection, auditing, training, and consulting across various sectors |
409 | |||
| 36 |
CONKORDconkord.com
A Lisbon-based IT consultancy focused on excellence and knowledge, hiring individuals who love learning, technology, and helping businesses grow |
408 | |||
| 37 |
TPF - CONSULTORES DE ENGENHARIA E ARQUITETURA, S.A.tpf.pt
Providing fully integrated Engineering and Architectural services, certified and recognized for quality, focusing on sustainable projects in various sectors |
396 | |||
| 38 |
Sinficsinfic.com
The company provides IT, management, and quality services to enhance the competitiveness of organizations in Portuguese and Spanish-speaking countries through positive partnerships and client-focused solutions |
380 | |||
| 39 |
Closer Consultingcloser.pt
A data science company specializing in business intelligence, advanced analytics, and artificial intelligence, with expertise across various industries and a commitment to research and development |
380 | |||
| 40 |
VILTvilt-group.com
Specializing in digital transformation, our focus is on improving customer experiences and operational efficiency globally through digital solutions, data integration, and advanced analytics |
375 | |||
| 41 |
Retail Consultretail-consult.com
A company specializing in Information Systems for Retail, offering strategy consultancy, Retail Academy training, and partnerships with software companies for optimization tools |
372 | |||
| 42 |
Smart Consultingsmartconsulting.pt
A technology consulting company specializing in IT and Telecommunications, offering smart solutions and nearshore services with a focus on adaptability and evolution |
367 | |||
| 43 |
INDAQUAindaqua.pt
Specializing in water cycle management, our organization offers comprehensive solutions including design, financing, construction, operation, and maintenance for water services Serving 600,000 individuals |
361 | |||
| 44 |
Volkswagen Group Services Portugalvolkswagen-groupservices.pt
A service provider within the Volkswagen Group offering a wide range of services including production, logistics, IT, engineering, HR, and financial services |
359 | |||
| 45 |
INOVA+inova.business
Specialized consultant company facilitating growth through innovation, digital transformation, and funding access for organizations in Europe and beyond |
356 | |||
| 46 |
BI4ALLbi4allconsulting.com
A data consultancy firm specializing in digital transformation, data strategy, analytics, AI, and software engineering to help organizations gain competitive advantages |
356 | |||
| 47 |
BDO Portugalbdo.pt
Global network of audit and consulting services with a focus on creating value through tailored solutions for clients of all sizes |
348 | |||
| 48 |
askblueaskblue.com
Specialized consulting services in financial sector and IT, with a skilled team offering solutions for complex multinational organizations, ensuring excellence and quality |
347 | |||
| 49 |
LCGlcg.consulting
Consulting on strategic/operational management, information systems, BI, finance, legal Provides innovative solutions for high difficulty projects, aiming for excellence |
343 | |||
| 50 |
Winningwinning-consulting.com
Specialized management consultancy firm focused on enhancing client performance through consulting, training, and research services, based on key competency centers Accelerating organizational productivity and sustainability |
342 | |||
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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 Nov 12, 2026.
More company lists in Portugal
- The largest companies in Portugal 1,725
- Multinational companies in Portugal 427
- Public sector organisations in Portugal 167
- Manufacturers in Portugal 167
- Retail chains in Portugal 158
- Critical infrastructure operators in Portugal 156
- Companies with in-house R&D in Portugal 154
- Education providers in Portugal 135
- IT services companies in Portugal 128
- IT Services and IT Consulting companies in Portugal 111
- Higher Education companies in Portugal 109
- Corporate groups and holding companies in Portugal 99
- Software Development companies in Portugal 96
- Financial services firms in Portugal 95
- Companies with a mobile app in Portugal 94
- Professional services firms in Portugal 91
- Healthcare providers in Portugal 84
- Research institutes in Portugal 74
- Hospitals and Health Care companies in Portugal 70
- SaaS companies in Portugal 63
- Hotel and hospitality groups in Portugal 61
- Hardware manufacturers in Portugal 60
- E-commerce companies in Portugal 56
- Consumer goods companies in Portugal 54