| # | Company | Employees |
|---|---|---|
| 1 |
The University of Göttingenuni-goettingen.de
A renowned research university founded in 1737, offering a diverse range of subjects and emphasizing research-based teaching and excellence in various fields |
4,367 |
| 2 |
Leibniz Universität Hannoveruni-hannover.de
Providing education and research across natural sciences, engineering, humanities, social sciences, law, and economics with quality focus. |
3,668 |
| 3 |
Technische Universität Braunschweigtu-braunschweig.de
A leading institute of technology in Northern Germany, focusing on research in mobility, infections, metrology, and the city of the future |
3,079 |
| 4 |
Medizinische Hochschule Hannovermhh.de
A company based in Lower Saxony, Germany within the higher education sector, specializing in medical sciences and research |
2,541 |
| 5 |
Carl von Ossietzky University of Oldenburguol.de
A young university in Germany, focusing on interdisciplinary research to address societal challenges Collaborates globally and prepares students for various professions |
2,027 |
| 6 |
Universitätsmedizin Göttingenumg.eu
The company provides comprehensive healthcare services with a focus on education and research, offering cutting-edge medical treatment, training, and innovative career opportunities |
1,823 |
| 7 |
Leuphana University of Lüneburgleuphana.de
A growing network of 20,000+ members including alumni, students, faculty, and supporters of a university that promotes knowledge transfer and funds various projects |
1,709 |
| 8 |
Universität Osnabrückuni-osnabrueck.de
This university excels in research and teaching across humanities, social sciences, science, law, and business administration, fostering interdisciplinary studies and international collaborations. |
1,702 |
| 9 |
Hochschule Osnabrückhs-osnabrueck.de
A leading university of applied sciences in Lower Saxony offering a wide range of degree programs and conducting research in various fields |
1,633 |
| 10 |
Hochschule Hannoverhs-hannover.de
The second largest university in the capital city of Lower Saxony, offering over 60 accredited study programs with a focus on teaching, research, and practical experience |
1,171 |
| 11 |
Physikalisch-Technische Bundesanstalt, PTBptb.de
The company is a national metrology institute in Germany, working to make measurements more precise and reliable to support research, industry, and society |
1,037 |
| 12 |
Technische Universität Clausthaltu-clausthal.de
Academic research and education institution founded in 1775, offering degrees in natural sciences, energy, economics, mathematics, and computer science to students globally |
849 |
| 13 |
Jade Hochschulejade-hs.de
Higher education institution offering maritime, engineering, business, and technology programs across three campuses with strong practical and ethical focus. |
791 |
| 14 |
Stiftung Universität Hildesheimuni-hildesheim.de
A university in Hildesheim offers a personalized atmosphere for studying selected scientific fields with a strong focus on practical relevance and individual support |
727 |
| 15 |
Hannover Medical Schoolmhh.de
A leading state institution in Lower Saxony for research, teaching, and superior healthcare in human medicine and dentistry, with integrated services on campus |
697 |
| 16 |
Georg-August-Universität Göttingenuni-goettingen.de
A renowned research university founded in 1737, offering diverse fields of study and exceptional resources in science, emphasizing research-based teaching |
609 |
| 17 |
Thünen Institutethuenen.de
This institute conducts research on sustainable agriculture, food production, forestry, marine fishery, and aquaculture to inform policy-making and society |
572 |
| 18 |
University of Applied Sciences Emden/Leerhs-emden-leer.de
A university offering diverse Bachelor's and Master's programs in engineering, natural sciences, business, social work, and health science with a focus on regional impact and international education |
524 |
| 19 |
Max Planck Institute for Multidisciplinary Sciencesmpinat.mpg.de
The company conducts research in natural and medical sciences, developing innovative technologies to gain new insights, with a diverse, global team |
507 |
| 20 |
Helmholtz Centre for Infection Researchhelmholtz-hzi.de
Researchers at the Helmholtz Centre for Infection Research study infectious diseases to develop medical applications, focusing on understanding pathogens and developing interventions |
507 |
| 21 |
Federal Institute for Geosciences and Natural Resources (BGR)bgr.bund.de
The German Centre of Excellence for geoscience advises the Federal Government on various geoscience and natural resource issues, providing scientific advice internationally |
390 |
| 22 |
Bundesamt für Strahlenschutz (BfS)bfs.de
The company works to protect people and the environment from ionizing and non-ionizing radiation through safety measures, monitoring, and emergency management |
244 |
| 23 |
TIB – Leibniz-Informationszentrum Technik und Naturwissenschaften und Universitätsbibliothektib.eu
The company is a national library specializing in technology, engineering, architecture, chemistry, IT, mathematics, and physics with a digital focus |
183 |
| 24 |
Laser Zentrum Hannover e.V. (LZH)lzh.de
A research and development organization specializing in laser technology and photonics, offering solutions in optical components, production technologies, and biomedical photonics |
166 |
| 25 |
German Center for Infection Researchdzif.de
Collaborative effort between 500+ doctors and scientists to develop innovative solutions for infectious diseases, bridging research with clinical practice |
43 |
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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 2, 2026.
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