These Greek companies with in-house R&D are primarily large organizations, including several prominent universities and established pharmaceutical manufacturers. Among them, Aristotle University of Thessaloniki is a major educational institution, Kaizen Gaming is a GameTech company, FAMAR specializes in pharmaceutical contract manufacturing, and Frigoglass is a global leader in ice cold merchandisers. Intracom Telecom provides telecommunications systems, and DEMO Pharmaceuticals S.A. focuses on pharmaceutical products.
A notable pattern is the strong presence of higher education institutions, with five universities among the largest companies listed. This indicates a significant investment in academic research and development within Greece. The pharmaceutical manufacturing sector also features prominently, with multiple large firms contributing to R&D activities.
| # | 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 |
Kaizen Gamingcareers.kaizengaming.com
A rapidly growing GameTech company operating in 13 countries, focused on technology and providing trusted online gaming experiences to customers worldwide |
3,249 | |||
| 3 |
University of Patrasupatras.gr
Public university offering diverse academic programs, extensive research facilities, and recognized excellence in science, technology, health, and environment. |
3,116 | |||
| 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 |
FAMARfamar-group.com
European contract manufacturing and development partner specializing in pharmaceutical and healthcare products, offering flexible solutions from development to distribution. |
1,898 | |||
| 7 |
Frigoglassfrigoglass.com
Global leader in ice cold merchandisers and glass packaging, providing bespoke coolers and sustainable refrigeration solutions to beverage brands worldwide |
1,743 | |||
| 8 |
University of Athensuoa.gr
Oldest university in Southeast Europe, established in 1837, offering a wide range of educational programs and ranked 200th in the world |
1,098 | |||
| 9 |
Intracom Telecomintracom-telecom.com
Global provider of technology systems and solutions specializing in fixed wireless access, 5G/4G innovation, IoT, SDN/NFV, Big Data analytics, Smart City solutions, and defense systems |
1,065 | |||
| 10 |
DEMO Pharmaceuticals S.A.demo.gr
A Greek organization specializing in pharmaceutical products, supplying injectables to public hospitals, exporting globally, and investing in R&D and active ingredients development |
1,045 | |||
| 11 |
University of West Atticauniwa.gr
Provides higher education through various departments, offering undergraduate and postgraduate studies, fostering research and collaboration in Greece. |
1,011 | |||
| 12 |
Pharmathenpharmathen.com
Pharmathen is a global pharmaceutical company focused on developing innovative drug delivery technologies, with a diverse product portfolio and commitment to improving patient lives |
1,004 | |||
| 13 |
Elpen Pharmaceutical Co. Inc.elpen.gr
A Greek pharmaceutical manufacturer specializing in product development across multiple technologies and therapeutic areas, with a global mission to enhance patients' lives |
916 | |||
| 14 |
scaniascania.com
Specializing in transportation and vehicle manufacturing, the company operates in the southernmost province of Sweden with a focus on population and culture |
876 | |||
| 15 |
Hellenic Aerospace Industry S.A. (EAB)haicorp.com
Delivers comprehensive defense and aerospace services, manufacturing products for military and civil markets while partnering with global industries for high performance solutions. |
846 | |||
| 16 |
EUROPEAN DYNAMICSeurodyn.com
Design, develop, support, and operate complex IT systems and software products tailored for eGovernment activities across multiple countries. |
843 | |||
| 17 |
Coffee Islandcoffeeisland.gr
Sustainability-focused global coffee chain operating over 460 stores across four continents. In-house bean processing, quality control, extensive franchise network. |
810 | |||
| 18 |
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 | |||
| 19 |
Alumilalumil.com
Leading aluminium extrusion group in South-East Europe, specializing in production and distribution of architectural aluminium systems with advanced facilities and extensive product range |
789 | |||
| 20 |
Titan Cement Company SAtitan.gr
Innovative provider of construction materials and solutions for safe and sustainable homes, buildings, and infrastructure with a focus on low-carbon operations |
786 | |||
| 21 | 727 | ||||
| 22 |
KLEEMANNkleemannlifts.com
A leading European manufacturer of lifts, escalators, and parking systems, known for innovative design, fast delivery, and a strong focus on customer and employee satisfaction |
682 | |||
| 23 |
International Hellenic Universityihu.gr
An educational institution offering postgraduate programs in various fields with campuses across different cities in Greece |
663 | |||
| 24 |
University of Western Macedoniauowm.gr
An educational institution offering a wide range of courses and programs in multiple cities in Western Macedonia |
662 | |||
| 25 |
Sunlight Groupthe-sunlight-group.com
Development and production of lead-acid and lithium-ion batteries for industrial mobility, leisure, and renewable energy storage systems worldwide. |
649 | |||
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| 26 |
Asso.subseaassogroup.com
Provides technology-driven subsea equipment and services for underwater protection of flexible pipelines and cables, offering tailor-made solutions with maintained equipment and experienced personnel. |
627 | |||
| 27 |
SPACE HELLAS S.A.space.gr
Comprehensive ICT and security solutions provider offering infrastructure, telecom, cloud, unified communications, and physical security services with global partnerships. |
520 | |||
| 28 |
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 | |||
| 29 |
RAFARM S.A.rafarmgroup.gr
Innovative pharmaceutical organization investing in R&D, developing a diverse product portfolio, with a strong focus on quality, expertise, and global expansion |
473 | |||
| 30 |
Qualco Groupqualco.group
Innovative technology solutions empower individuals in finance, property, and digital fields, creating better financial well-being and transforming businesses |
469 | |||
| 31 |
Cornell Ann S. Bowers College of Computing and Information Sciencebowers.cornell.edu
Leading academic departments in Computer Science, Information Science, and Statistics/Data Science, driving innovation and collaboration across disciplines at Cornell University |
421 | |||
| 32 | 414 | ||||
| 33 | 405 | ||||
| 34 |
PharOS Ltdpharosgr.gr
This company develops and supplies pharmaceutical products like generics, OTCs, and FDCs, also offering product development, regulatory affairs, and business consulting services. |
397 | |||
| 35 |
INTRACOM DEFENSEintracomdefense.com
Leader in electronic defense products, specializing in communication systems for military use Designs and manufactures cutting-edge technology for defense ministries, NATO, and security services |
384 | |||
| 36 |
DELTA FOODS SAdelta.gr
A leading dairy producer in Greece, specializing in a variety of dairy products and juices, with a focus on quality, innovation, and international expansion |
381 | |||
| 37 |
KORRESkorres.com
A Greek beauty brand that focuses on natural ingredients, research, and sustainability to create safe and effective plant-powered beauty products globally |
380 | |||
| 38 | 347 | ||||
| 39 |
Genepharm SAgenepharm.com
Manufacturer of high-quality generic pharmaceutical products, with a focus on conventional and oncological formulations Operating internationally in over 90 countries |
338 | |||
| 40 |
UNI-PHARMA Pharmaceutical Laboratories S.A.uni-pharma.gr
Innovative pharmaceutical company dedicated to advancing healthcare through high-quality products, partnerships, and a commitment to growth and success |
304 | |||
| 41 |
Centrale Méditerranéecentrale-mediterranee.fr
A dynamic school offering top-notch engineering education, fostering innovation, international collaboration, and personal growth through diverse extracurricular opportunities |
262 | |||
| 42 |
Profile Softwareprofilesw.com
An award-winning solutions provider offering market-proven tools for Investment Management and Banking industries worldwide to align business and IT strategies |
258 | |||
| 43 |
InterMed Pharmaceutical Laboratories S.A.intermed.com.gr
Specializing in innovative skincare, para-pharmaceutical, and pharmaceutical products to address everyday and specialized health conditions for the modern individual in domestic and international markets |
229 | |||
| 44 |
UBITECHubitech.eu
A leading provider of innovative technical solutions, consulting services, and IT integration for businesses, organizations, and governments worldwide |
186 | |||
| 45 |
WinMedica Pharmaceuticalwinmedica.gr
A healthcare organization based in Athens, Greece, focused on enhancing patient care in key therapeutic sectors through global pharmaceutical collaborations and upcoming manufacturing facility in Tripoli |
183 | |||
| 46 |
IKNOWHOW SAiknowhow.com
Greek technology firm providing tailor-made software solutions, ICT strategy consulting, digital government, e-Health, and robotics services, with a strong focus on digital transformation and information security |
147 | |||
| 47 |
Kenotom - Embedded Engineering Excellencekenotom.com
Engineering services provider specializing in firmware development, test automation, control solutions, electronics design, and project management for automotive, industrial automation, aviation, and medical sectors |
145 | |||
| 48 |
Gerolymatos Internationalgerolymatos-international.com
A family-owned healthcare company based in Greece, focusing on development, manufacturing, and distribution of products globally through partnerships and affiliates |
138 | |||
| 49 |
Papoutsanis SApapoutsanis.gr
A leading Greek manufacturer of bar soap, hotel amenities, and personal care products with a strong presence in Greece and international markets |
138 | |||
| 50 |
PHARMAZAC SApharmazac.gr
A fast-growing pharmaceutical company with divisions in logistics, generics, R&D, and radio-pharmaceuticals, investing in new manufacturing facilities and seeking talent |
129 | |||
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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 11, 2026.
More company lists in Greece
- The largest companies in Greece 778
- Multinational companies in Greece 217
- Manufacturers in Greece 92
- 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
- Food and Beverage Services companies in Greece 34