These Warsaw-based companies engage in in-house research and development across diverse sectors, including higher education, construction, and technology. Notable examples include the University of Warsaw, providing academic programs and research, Budimex, specializing in infrastructure projects, and CD PROJEKT RED, known for game development. Adamed Pharma focuses on pharmaceutical and biotechnological R&D, while XTB online investing operates as a global fintech platform. RTB House develops AI algorithms for digital advertising.
A significant portion of these companies are higher education institutions, such as the University of Warsaw, Uniwersytet SWPS, and Kozminski University, indicating a strong academic presence in R&D activities. Other companies like BSH Sprzęt Gospodarstwa Domowego Polska are in manufacturing, and LOTTE Wedel in food and beverage manufacturing, showing a broad industrial base for R&D in the city.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
University of Warsawuw.edu.pl
Provides diverse academic programs across multiple faculties, conducts leading research, and educates nearly 48,000 students with international recognition. |
5,329 | |||
| 2 |
Budimexbudimex.pl
With over 50 years of experience, we specialize in infrastructure projects in Poland, employing 7,000 people and completing 300 contracts annually |
3,552 | |||
| 3 |
CD PROJEKT REDcdprojektred.com
Global team of game developers known for The Witcher series & Cyberpunk 2077, focusing on mature storytelling & opening new studio |
1,923 | |||
| 4 |
BSH Sprzęt Gospodarstwa Domowego Polskabsh-group.com
A leading manufacturer of household appliances with multiple factories in Poland, offering a portfolio of well-known brands in the market |
1,805 | |||
| 5 |
XTB online investingxtb.com
Global fintech platform offering online investing, trading over 6,200 instruments, educational resources, and customer support in 18 languages, with regulatory oversight |
1,687 | |||
| 6 |
Adamed Pharmaadamed.com
A pharmaceutical and biotechnological company with over 20 years of research and development experience, selling 500 products in 78 countries worldwide |
1,609 | |||
| 7 |
RTB Housertbhouse.com
Next-generation DSP using proprietary Deep Learning AI algorithms to maximize conversion, acquire customers, and drive long-term demand globally. |
1,437 | |||
| 8 |
Uniwersytet SWPSswps.pl
Offers interdisciplinary social sciences and humanities studies across multiple campuses, educating over 15,000 students. It holds many academic accreditations among Polish non-public universities. |
1,400 | |||
| 9 |
Kozminski Universitylinktr.ee
A private university in Poland offering Bachelor, Master's, MBA, and PhD programs in English, with top rankings and accreditations |
1,339 | |||
| 10 | 1,068 | ||||
| 11 |
PORR Polskaporr.pl
We make the world better by connecting people through building bridges, developing cities, and improving infrastructure with cutting-edge technology and experienced professionals |
1,023 | |||
| 12 |
Military University of Technologyedu.pl
A military university offering engineering, master's, and doctoral studies in various faculties, specializing in defense technology, research, and innovation |
928 | |||
| 13 |
Qemeticaqemetica.com
International chemical group manufacturing sodium carbonate, sodium bicarbonate, salt, silicates, plant protection products, and polyurethane foams for various global industries. |
850 | |||
| 14 |
Bosch Polskabosch.pl
Global provider of technology and services with a focus on IoT solutions for smart homes, cities, and mobility Operating in various sectors worldwide |
816 | |||
| 15 |
BlueSoftbluesoft.com
Providing comprehensive IT services focusing on business value, quality delivery, team collaboration, and vendor independence since 2002. |
728 | |||
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. | |||||
| 16 |
LOTTE Wedelwedel.pl
Leading Polish chocolate and confectionery producer offering high-quality chocolates, sweets, and snacks with a rich heritage and innovative factory experience. |
666 | |||
| 17 |
Urząd Dozoru Technicznegoudt.gov.pl
A Polish institution ensuring safe operation of technical devices through technical supervision, certification, training, and research laboratory services with specialized staff |
603 | |||
| 18 |
PIT-RADWAR S.A.pitradwar.com
A key player in Poland's defense industry, specializing in designing comprehensive air defense systems, radar stations, electronic reconnaissance, and weapon systems |
570 | |||
| 19 | 568 | ||||
| 20 |
Symfoniasymfonia.pl
Develops software, including ERP, cloud solutions for finance, HR, sales, warehousing, and production, supporting digital transformation for Polish SMEs for 25 years. |
461 | |||
| 21 |
MSD Polskamsd.pl
Innovative biopharmaceutical company dedicated to improving global health with medicines, vaccines, and animal health products through leading innovations and solutions |
426 | |||
| 22 |
Wojskowy Instytut Medyczny - Państwowy Instytut Badawczywim.mil.pl
We are developing a modern, multi-profile research and medical entity with high quality standards across all fields of activity Our horizons exceed the present |
416 | |||
| 23 |
CI Gamescigames.com
A global interactive entertainment publisher and developer with headquarters in Warsaw and operations in North and South America Specializing in popular game franchises |
413 | |||
| 24 |
TZF Polfa S.A.polfa-tarchomin.com.pl
A leading generic pharmaceutical company in Poland, specializing in anti-infectives, insulin, psychotropic drugs, and dermatological preparations with over a hundred medicinal products |
413 | |||
| 25 |
Huuuge Gameshuuugegames.com
An international developer and publisher of free-to-play games on mobile and web platforms, focusing on innovative social experiences and global growth |
404 | |||
| 26 | 390 | ||||
| 27 |
Państwowy Instytut Geologiczny - Państwowy Instytut Badawczypgi.gov.pl
A 101-year-old national scientific institute conducting comprehensive geological research for practical use in economy and environmental protection, ensuring resource security and monitoring geological environment Employing around 900 people |
389 | |||
| 28 |
Hilti Polandhilti.pl
Global company providing leading-edge technology solutions in construction, energy, and industry sectors Committed to innovation, teamwork, and exceptional customer engagement |
380 | |||
| 29 |
Państwowy Instytut Medyczny MSWiAgov.pl
Established in 1951, one of the largest and most advanced medical institutes in Poland, providing cutting-edge healthcare services and research |
343 | |||
| 30 |
Polish-Japanese Academy of Information Technologypja.edu.pl
An educational institution offering high-quality BA, MA, doctoral, postdoctoral, and MBA studies in various faculties like Computer Science and Graphic Design |
342 | |||
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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 Nov 12, 2026.
More company lists in Warsaw
- The largest companies in Warsaw 872
- Multinational companies in Warsaw 222
- IT services companies in Warsaw 108
- Critical infrastructure operators in Warsaw 92
- Software Development companies in Warsaw 88
- Financial services firms in Warsaw 87
- IT Services and IT Consulting companies in Warsaw 84
- Professional services firms in Warsaw 76
- Companies with a mobile app in Warsaw 72
- Retail chains in Warsaw 67
- Public sector organisations in Warsaw 61
- Financial Services companies in Warsaw 59
- Manufacturers in Warsaw 53
- Corporate groups and holding companies in Warsaw 49
- SaaS companies in Warsaw 49
- Consulting firms in Warsaw 43
- Publicly traded companies in Warsaw 39
- Education providers in Warsaw 38
- Subscription businesses in Warsaw 33
- Hardware manufacturers in Warsaw 31
- AI companies in Warsaw 29
- Transportation, Logistics, Supply Chain and Storage companies in Warsaw 29
- Consumer goods companies in Warsaw 27
- E-commerce companies in Warsaw 26
The same list elsewhere in Poland
- Companies with in-house R&D in Poland 290
- Companies with in-house R&D in Masovia 84
- Companies with in-house R&D in Lesser Poland 36
- Companies with in-house R&D in Silesia 29
- Companies with in-house R&D in Pomerania 25