The research institutes in Greece are primarily higher education institutions. Companies such as Aristotle University of Thessaloniki, University of Patras, and National & Kapodistrian University of Athens are large public universities offering diverse academic programs and extensive research. Other notable institutions include the National Technical University of Athens, specializing in engineering and applied sciences, and the Centre for Research & Technology Hellas (CERTH), a research center focused on competitive grants.
These organizations are predominantly large, established institutions, with many founded in the 20th century. A significant concentration of these research institutes is located in Athens and Thessaloniki, indicating a geographical clustering of academic and research activities within Greece.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Aristotle University of Thessaloniki (AUTH)auth.gr
A large university in Greece with 10 faculties, 40 schools, and over 73,000 students offers undergraduate, postgraduate, and doctoral programs |
3,342 | |||
| 2 |
University of Patrasupatras.gr
Public university offering diverse academic programs, extensive research facilities, and recognized excellence in science, technology, health, and environment. |
3,116 | |||
| 3 |
National Technical University of Athensntua.gr
Higher education institution specializing in engineering, architecture, applied sciences, offering undergraduate and postgraduate programs with historic and modern campuses in Athens. |
2,451 | |||
| 4 |
University of Thessalyuth.gr
Promoting scientific knowledge and research, offering undergraduate and postgraduate programs, contributing to local community and societal development through education |
2,162 | |||
| 5 |
National & Kapodistrian University of Athensen.uoa.gr
A prestigious public university in Athens, Greece, offering a wide range of academic programs and conducting extensive research in various fields |
2,094 | |||
| 6 |
University of Creteuoc.gr
Leading higher education institution in Crete, Greece known for academic excellence and reputation, offering a wide range of educational programs |
1,441 | |||
| 7 |
Democritus University of Thrace - (D.U.Th.)duth.gr
A prestigious public university in Thrace, Greece, offering high-quality education through two faculties and eighteen departments in four cities |
1,385 | |||
| 8 |
University of West Atticauniwa.gr
Provides higher education through various departments, offering undergraduate and postgraduate studies, fostering research and collaboration in Greece. |
1,011 | |||
| 9 |
Athens University of Economics and Businessaueb.gr
A prestigious institution with a century of experience in producing industry leaders, entrepreneurs, and top faculty members through cutting-edge education and research |
931 | |||
| 10 |
Centre for Research & Technology Hellas (CERTH)certh.gr
Leading Greek research center ranked among the top 15 in the EU for competitive research grants participation |
882 | |||
| 11 |
University of Macedoniauom.gr
A modern public institution of higher education focusing on quality, freedom, democracy, and personal development through research and knowledge dissemination |
860 | |||
| 12 |
Ethnikon kai Kapodistriakon Panepistimion Athinonuoa.gr
A prestigious educational institution in Greece offering valuable services to Greek citizens worldwide since its founding in 1837 |
807 | |||
| 13 |
University of Piraeusunipi.gr
A Greek public university in Piraeus offering academic programs in business management, computer science, economics, finance, and maritime studies |
798 | |||
| 14 |
NCSR "DEMOKRITOS"demokritos.gr
Multidisciplinary research center running impactful research and innovation projects in AI, advanced materials, energy, environment, telecommunications, manufacturing, and quantum computing. |
781 | |||
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. | |||||
| 15 |
Agricultural University of Athenswww2.aua.gr
An institution in Greece offering agricultural education and research, with a focus on producing high-quality graduates and conducting applied research |
763 | |||
| 16 | 714 | ||||
| 17 |
University of the Peloponneseuop.gr
The organization enriches the national and cultural character of the Peloponnese region and advances university education in Greece |
667 | |||
| 18 |
International Hellenic Universityihu.gr
An educational institution offering postgraduate programs in various fields with campuses across different cities in Greece |
663 | |||
| 19 |
University of Western Macedoniauowm.gr
An educational institution offering a wide range of courses and programs in multiple cities in Western Macedonia |
662 | |||
| 20 |
Hellenic Mediterranean Universityhmu.gr
An educational institution offering high-quality undergraduate, postgraduate, and doctoral education in various fields, conducting impactful research, and collaborating nationally and internationally |
515 | |||
| 21 |
Foundation for Research and Technology - Hellas (FORTH)forth.gr
A leading research foundation in Greece with multiple institutes focusing on various fields such as electronics, biology, mathematics, and genomics |
495 | |||
| 22 |
University of York Europe Campusyork.citycollege.eu
A European educational institution offering a wide range of undergraduate and postgraduate programs with a focus on internationalization and academic excellence |
458 | |||
| 23 |
Ionian Universityionio.gr
Academic institution offering undergraduate and postgraduate programs, fostering international collaborations, and promoting cultural events in the Ionian Islands, Greece |
450 | |||
| 24 |
Panteion University of Social and Political Sciencespanteion.gr
A leading university in Athens, Greece, offering education, critical thinking, and research in social and political sciences for societal benefit |
421 | |||
| 25 |
Technical University of Cretetuc.gr
A dynamic university focusing on research integrated with education in various engineering fields, with state-of-the-art facilities and highly qualified staff |
381 | |||
| 26 |
Harokopio University of Athenshua.gr
A public university in Athens dedicated to research and learning, offering undergraduate and postgraduate programs in various intellectual areas |
344 | |||
| 27 |
Athena Research Centerathenarc.gr
Leading research center specializing in information, communication, and knowledge technologies, fostering innovation, and promoting lifelong learning and technological cluster formation |
321 | |||
| 28 |
Centrale MΓ©diterranΓ©ecentrale-mediterranee.fr
A dynamic school offering top-notch engineering education, fostering innovation, international collaboration, and personal growth through diverse extracurricular opportunities |
262 | |||
| 29 |
iED - Institute of Entrepreneurship Developmentied.eu
Award-winning NGO empowering organizations and entrepreneurs through expert guidance, securing European funding, and fostering a dynamic ecosystem for impactful growth and innovation. |
57 | |||
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 Nov 12, 2026.
More company lists in Greece
- The largest companies in Greece 778
- Multinational companies in Greece 217
- Manufacturers in Greece 92
- Companies with in-house R&D in Greece 83
- Retail chains in Greece 78
- Critical infrastructure operators in Greece 73
- Consumer goods companies in Greece 57
- Pharmaceutical Manufacturing companies in Greece 55
- Education providers in Greece 54
- Companies with a mobile app in Greece 50
- Corporate groups and holding companies in Greece 49
- Public sector organisations in Greece 49
- Financial services firms in Greece 48
- Pharmaceutical companies in Greece 48
- Food and beverage companies in Greece 47
- Food and Beverage Manufacturing companies in Greece 44
- Distributors and wholesalers in Greece 43
- Family-owned companies in Greece 41
- IT Services and IT Consulting companies in Greece 38
- Software Development companies in Greece 38
- IT services companies in Greece 38
- Publicly traded companies in Greece 37
- Logistics companies in Greece 36
- E-commerce companies in Greece 34