These are large corporate groups and holding companies based in Masovia, predominantly in Warsaw. They represent a mix of established industries such as insurance, logistics, energy, and banking, alongside manufacturing and media. PZU, founded in 1803, is a major insurer, while Poczta Polska S. A., established in 1558, is the national postal operator. PKN ORLEN S.A. is an integrated multi-utility company, and Erste Bank Polska provides banking services.
The data shows a strong concentration of headquarters in Warsaw, indicating its role as a central business hub within the region. Many of these companies have a long history, with several founded in the 20th century or earlier, suggesting a mature corporate landscape.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 10,875 | ||||
| 2 |
Poczta Polska S. A.poczta-polska.pl
Largest national postal operator with extensive network offering postal, parcel, financial, insurance, logistics, and expanding digital services to individuals and businesses. |
5,521 | |||
| 3 |
PKN ORLEN S.A.orlen.pl
Integrated multi-utility in Central Europe and Canada providing energy and fuel to millions, focusing on clean technologies for emission neutrality by 2050 |
3,800 | |||
| 4 |
Erste Bank Polskaerste.pl
Provides banking services and financial tools, supporting individuals and businesses in realizing plans, fostering confidence and growth through accessible and evolving solutions. |
3,198 | |||
| 5 |
Inter Cars S.A.intercars.com
A leading importer and distributor of automotive spare parts with a vast product range including garage equipment and motorcycle parts With over 240 branches in Europe |
2,561 | |||
| 6 |
PGE Polska Grupa Energetycznagkpge.pl
The company is the largest electric utility in Poland, operating throughout the value chain from generation to distribution and supply |
1,825 | |||
| 7 |
BSH Sprz臋t 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 | |||
| 8 |
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 | |||
| 9 |
Benefit Systems SAbenefitsystems.pl
We specialize in providing innovative employee benefits in Poland, focusing on sports, culture, and tailored cafeteria programs to enhance satisfaction and motivation |
1,240 | |||
| 10 |
Ringier Axel Springer Polskaringieraxelspringer.pl
Leading Polish media and technology company with diverse digital and print publications, e-commerce, classifieds, mobile apps, and integrated advertising services. |
1,220 | |||
| 11 |
Grupa Wirtualna Polskaholding.wp.pl
Leading digital media and technology company focused on transforming internet experiences through innovative content, services, and user engagement strategies. |
1,135 | |||
| 12 |
Agora SAkariera.agora.pl
One of the largest media entities in Poland, operating for over 30 years in areas such as traditional and digital press, online projects, radio, cinema, and publishing |
1,065 | |||
| 13 |
PKP CARGO S.A.pkpcargo.com
Logistics operator providing intermodal rail freight, terminal services, and international transport solutions across Poland and European Union countries. |
971 | |||
| 14 |
Seris Konsalnetseris.pl
The company is a leading provider of security, protection, and cleaning services in Poland, part of an international security group They offer physical security, technical security, monitoring, cleaning services, and property management With over 30 years of experience, they serve a wide range of clients, including banks, retail chains, public utilities, strategic facilities, commercial enterprises, industrial companies, and military units With over 20,000 employees and offices throughout the country, they strive to provide high-quality services tailored to all market segments |
888 | |||
| 15 | 860 | ||||
| 16 |
Qemeticaqemetica.com
International chemical group manufacturing sodium carbonate, sodium bicarbonate, salt, silicates, plant protection products, and polyurethane foams for various global industries. |
850 | |||
| 17 |
GK Polimex Mostostalpolimex-mostostal.pl
Specializes in industrial construction, energy, petrochemical, and environmental projects domestically and internationally, producing steel structures and gratings Publicly traded since 1997 |
844 | |||
| 18 | 844 | ||||
| 19 |
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 | |||
| 20 |
Comp S.A.comp.com.pl
Specializing in IT and network security, as well as trade, services, and logistics solutions, with a focus on fiscal equipment and digital service platforms |
784 | |||
| 21 |
Sokolow S.A.sokolow.pl
A food production company based in Warsaw, Poland, specializing in creating a variety of food products |
701 | |||
| 22 |
PGE Energia Ciep艂a S.A.pgeenergiaciepla.pl
The company is a leader in the energy market and environmentally friendly district heating production, following the sale of its Polish assets in 2017 |
607 | |||
| 23 |
Grupa Pracujpracujwgp.pl
An expert in online recruitment, offering HR technological solutions like ATS and communication platforms to help companies manage efficient recruitment and staff |
597 | |||
| 24 |
WeNet Group S.A.wenet.pl
Leading Polish internet marketing provider offering online solutions for better visibility, increased sales, and improved customer communication, trusted by 50,000 entrepreneurs Employing 1,000+ specialists nationwide |
590 | |||
| 25 |
Grupa ZPR Mediagrupazpr.pl
Publishing magazines, newspapers, operating radio and TV stations, managing websites, e-commerce, internet marketing, and event organization in Poland. |
526 | |||
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 | 501 | ||||
| 27 |
Vistula Universityvistula.edu.pl
A group of universities in Poland offering practical degree profiles, international opportunities, and collaboration with businesses for student success in the labor market |
485 | |||
| 28 |
mLeasing Sp. z o.o.mleasing.pl
A leading leasing provider in Poland, offering tailored solutions for vehicles, equipment, fleet management, and property financing, with a focus on innovation and customer satisfaction |
470 | |||
| 29 |
Emil Frey Polska Sp. z o.o.emilfrey.pl
A group of companies in Poland offering authorized dealership and repair services for various car brands, including BMW, Mercedes-Benz, Peugeot, Skoda, and Volkswagen |
467 | |||
| 30 |
Polskie Porty Lotnicze S.A.polish-airports.com
Leading aviation infrastructure player in Poland, operating key national airports, including the largest airport in the country and one of the biggest in Central and Eastern Europe |
432 | |||
| 31 |
Dr Irena Eris S.A.drirenaeris.com
A brand focused on holistic beauty, offering high-quality cosmetics, tailored skincare, and luxurious spa hotels for women to maintain their attractiveness and well-being |
429 | |||
| 32 |
ERBUD GROUPerbud.pl
A leading construction group in Poland and Germany, with over 30 years of experience, 3000 employees, multiple branches, and international projects Active in sports and charity initiatives |
424 | |||
| 33 |
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 | |||
| 34 |
Generali Polandkariera.generali.pl
A global insurance and asset management group operating in 50 countries, providing comprehensive protection through various insurance products and investment solutions |
407 | |||
| 35 |
Fresenius Kabi Polskafresenius-kabi.com
This organization in Poland provides medical nutrition, infusion fluids, intravenous drugs, medical devices, and pharmaceuticals, supporting patients at home and in hospitals |
403 | |||
| 36 |
Trakcjagrupatrakcja.com
The company is a major player in infrastructure construction and energy sector, undertaking innovative projects such as railways, highways, energy networks, and more |
384 | |||
| 37 |
Anwim S.A.anwim.pl
A leading fuel wholesaler, distributor, and importer in Poland, operating a growing chain of filling stations with cafe and convenience store offerings |
383 | |||
| 38 |
WB ELECTRONICS S.A.wbgroup.pl
Specializing in military electronics and IT, this company leads Poland's defense sector into the 21st century with innovative technology solutions exported globally |
356 | |||
| 39 |
GTV POLANDgtv.com.pl
A leading Polish company in furniture accessories, offering over 12,000 high-quality products for furniture, interiors, and lighting in 60+ markets worldwide |
329 | |||
| 40 |
Dom Developmentdomd.pl
A leading developer in the housing market, focused on fulfilling customers' dreams of owning a home with a track record of delivering thousands of apartments |
329 | |||
| 41 |
SPIE Building Solutions (Poland)spie.com.pl
Leading multi-technology service provider for buildings, offering facility management, fire protection, security solutions, HVAC, ICT services, e-vehicle charging, and sustainable development initiatives |
325 | |||
| 42 |
Polenergiapolenergia.pl
Leading Polish energy group specializing in renewable and low-emission energy production, distribution, and sales Committed to sustainable development and transitioning towards clean energy solutions |
314 | |||
| 43 |
CIECH Groupqemetica.com
An international chemical group leading in sodium carbonate, evaporated salt, sodium silicates, plant protection products, and polyurethane foams production |
314 | |||
| 44 | 310 | ||||
| 45 |
Agencja Rozwoju Przemys艂u S.A.arp.pl
Providing diverse professional experiences and development opportunities, with a focus on supporting businesses and increasing competitiveness in the Polish industry |
261 | |||
| 46 |
GRUPA POLMLEKpolmlek.com
A private company specializing in dairy products, juices, nectars, and non-carbonated beverages with a wide range of brands, exporting products internationally |
259 | |||
| 47 |
Van Pur S.A.vanpur.com.pl
Leading independent brewing company from Poland, with over 150 years of heritage, offering a wide range of beers and non-alcoholic beverages Exporting to 70 countries worldwide |
245 | |||
| 48 |
KROSS S.A.kross.pl
A leading European bicycle manufacturer based in Poland, specializing in traditional and eBikes with advanced production facilities for carbon frames |
237 | |||
| 49 |
Remondis Polskaremondis-polska.pl
A global provider of waste management and recycling services, operating in 33 countries with 800 facilities and 32,000 employees Serving 30 million residents annually |
237 | |||
| 50 |
MAK Ubezpieczeniamakubezpieczenia.pl
Provides comprehensive insurance brokerage services including audits, tailored offers, negotiations, legal support, and expert assistance for businesses. |
236 | |||
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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 Masovia
- The largest companies in Masovia 984
- Multinational companies in Masovia 249
- IT services companies in Masovia 109
- Critical infrastructure operators in Masovia 95
- Financial services firms in Masovia 93
- Software Development companies in Masovia 91
- IT Services and IT Consulting companies in Masovia 88
- Companies with in-house R&D in Masovia 84
- Retail chains in Masovia 78
- Manufacturers in Masovia 77
- Professional services firms in Masovia 76
- Companies with a mobile app in Masovia 71
- Public sector organisations in Masovia 68
- Financial Services companies in Masovia 59
- SaaS companies in Masovia 53
- Publicly traded companies in Masovia 48
- Consumer goods companies in Masovia 44
- Consulting firms in Masovia 43
- Education providers in Masovia 40
- Hardware manufacturers in Masovia 40
- Transportation, Logistics, Supply Chain and Storage companies in Masovia 35
- E-commerce companies in Masovia 34
- Food and Beverage Manufacturing companies in Masovia 34
- Subscription businesses in Masovia 34
The same list elsewhere in Poland
- Corporate groups and holding companies in Poland 142
- Corporate groups and holding companies in Warsaw 49