| # | Company | Employees |
|---|---|---|
| 1 |
PKO Bank Polskipkobp.pl
Leading bank in Poland offering retail, corporate, and investment services with a focus on customer needs, quality service, and comprehensive financial solutions |
30,000 |
| 2 | 10,875 | |
| 3 |
Bank Pekao S.A.pekao.com.pl
One of the largest financial institutions in Central and Eastern Europe, serving retail, corporate, private banking, asset management, and brokerage clients. |
9,369 |
| 4 |
mBank S.A.mbank.pl
Leading provider of innovative online and mobile banking solutions, recognized for advanced electronic banking platform and strong market presence. |
7,286 |
| 5 |
Social Insurance Institutionzus.pl
We handle social insurance matters, collecting contributions, granting pensions, and sharing knowledge to help people navigate the social insurance system effectively and responsibly |
5,528 |
| 6 |
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 |
| 7 |
Alior Bank SAaliorbank.pl
An innovative financial institution in Poland, combining tradition with innovation, with a focus on development, autonomy, and a strong customer base |
5,349 |
| 8 |
Orange Polskaorange.pl
Leading provider of telecommunications services in Poland, offering fixed-line voice, internet, VoIP, mobile services, data transmission, multimedia, and internet services to millions of customers |
4,777 |
| 9 |
Santander Bank Polskasantander.pl
Innovative financial platform offering comprehensive services for individuals, SMEs, and corporations with a strong focus on customer satisfaction and modern banking technologies |
4,285 |
| 10 | 3,945 | |
| 11 |
BNP Paribas Bank Polskabnpparibas.pl
A universal bank in Poland offering savings, loans, and investment products for individuals and businesses, with a focus on agriculture and food sectors |
3,468 |
| 12 |
Polkomtelgrupapolsatplus.pl
Operator of a mobile network with 135 million users, offering voice, data, location-based services, mobile payments, supporting safety, health, education, and sports projects |
3,330 |
| 13 | 3,270 | |
| 14 |
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 |
| 15 |
LOT Polish Airlineslot.com
National airline offering safe, comfortable flights with modern fleet, efficient connections, and strong presence in Central Europe. |
2,764 |
| 16 |
PKP Polskie Linie Kolejowe S.A.plk-sa.pl
This company manages the national rail network and provides customized timetables for passenger and freight rail operators based on contract agreements |
2,537 |
| 17 |
T-Mobile Polskamagentateam.pl
Provider of telecommunications and technology solutions focused on innovation, serving individual and business customers with agile, diverse team culture. |
2,157 |
| 18 |
Bank Gospodarstwa Krajowegobgk.pl
This organization in Warszawa, Poland provides banking services including commercial banking, financing for businesses and government projects, and depository services Founded in 1924 |
1,851 |
| 19 |
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 |
| 20 |
Medicover Polskamedicover.pl
Provider of comprehensive healthcare services including preventive care, outpatient services, hospital care, dental services, in vitro procedures, well-being solutions, sports, diet, and fitness clubs |
1,689 |
| 21 |
UNIQA Polskauniqa.pl
Two insurance companies in Poland, UNIQA and AXA, have merged, with UNIQA now owning AXA in the country under the UNIQA brand |
1,453 |
| 22 |
Allianz Polskaallianz.pl
Established in Poland in 1997, the group has become a leader in the financial and insurance market through dynamic growth |
1,428 |
| 23 |
PKP Intercityintercity.pl
Providing fast and convenient train travel across Poland and Europe, specializing in long-distance national and international transportation with a focus on passenger satisfaction and comfort |
1,254 |
| 24 |
Centralny Ośrodek Informatykicoi.gov.pl
The company specializes in providing IT services for the Ministry of Digitization and public administration, including building and maintaining IT systems |
1,174 |
| 25 | 1,097 | |
| 26 | 1,068 | |
| 27 |
Cyfrowy Polsat S.A.polsatbox.pl
A market leader in media entertainment and telecom in Poland, delivering top-quality TV content, telecommunication products, and services for residential and business customers |
972 |
| 28 |
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 |
| 29 |
GAZ-SYSTEMgaz-system.pl
Leader in Poland's gas transmission, managing a vast network and transporting billions of cubic meters annually, investing in energy infrastructure and supporting local communities |
962 |
| 30 |
Państwowe Gospodarstwo Wodne Wody Polskiegov.pl
Main entity responsible for water management in Poland, ensuring protection against flooding and drought, maintaining water quality, and overseeing water services |
922 |
| 31 |
Narodowy Bank Polski (NBP)nbp.pl
Central bank responsible for monetary policy, currency issuance, managing state reserves, supporting public sector and banking system operations. |
888 |
| 32 |
PZU Zdrowiezdrowie.pzu.pl
Leader in private healthcare in Poland with a network of medical centers, diagnostic services, and partnerships, focusing on preventive care and promoting a healthy lifestyle |
867 |
| 33 |
Provident Polskaprovident.pl
A leading employer in Poland offering cash loans, emphasizing respect, transparency, and responsibility Providing opportunities for career growth and attractive benefits |
864 |
| 34 | 860 | |
| 35 | 844 | |
| 36 |
Bank Ochrony Środowiska S.A.bosbank.pl
A leader in environmental protection financing and banking services, offering a range of financial products and support for ecological investments |
832 |
| 37 |
Generalna Dyrekcja Dróg Krajowych i Autostradgov.pl
The company's mission is to maintain and develop Poland's national roads and highways, focusing on safety, environmental impact, and travel comfort |
773 |
| 38 |
PGE Energetyka Kolejowapgeenergetykakolejowa.pl
We are a team dedicated to delivering high-quality services, focusing on innovation, technology, and continuous improvement in the railway and power infrastructure sectors |
756 |
| 39 |
Nest Bank S.A.nestbank.pl
A company prioritizing entrepreneurs by offering innovative solutions like online business loans, 24/7 accounts, and easy formalities for quick development and success |
722 |
| 40 |
LS Airport Services S.A.lsas.aero
LS Airport Services provides ground handling services for passenger, private, military, and government aircraft, as well as cargo services and management of a cargo terminal park in Poland |
631 |
| 41 |
POLREGIOpolregio.pl
The largest passenger carrier in Poland, providing about 1500 trains daily financed by local governments, serving nearly 72 million passengers annually |
621 |
| 42 |
PGE Energia Ciepła 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 |
| 43 |
Pru – Prudential Polska
With a history dating back to 1848, we assist clients in making sound financial decisions to secure their future worldwide |
605 |
| 44 |
Ryanair Sun S.A.ryanairsun.com
A new Polish airline, Ryanair SUN, starting in summer 2018, offering flights and travel services to customers |
599 |
| 45 |
Bank BPS SAbankbps.pl
An innovative bank in Poland, serving over 300 Cooperative Banks, providing modern banking services, supporting local communities, and valuing diversity |
578 |
| 46 |
Compensa Polskacompensa.pl
An innovative insurance provider fostering relationships with clients and insurance advisors, driven by a team focused on collaboration and excellence Proud member of Vienna Insurance Group |
574 |
| 47 |
UniCredit Polskaunicredit.pl
An online bank offering savings and daily banking services with full transparency, helping customers grow their money and achieve financial goals |
491 |
| 48 |
Veolia | Polskaveolia.pl
A trusted partner in Poland for 25 years, offering innovative environmental services for cities and industries, focusing on sustainable development |
465 |
| 49 |
Paytenpayten.com
Consolidating issuing, acquiring, processing, and acceptance under a single technology stack for banks, fintechs, and merchants, simplifying multi-vendor complexity with one integration point and contractual relationship. |
402 |
| 50 |
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 |
| 51 |
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 |
| 52 |
ENGIE Polskaengie-polska.pl
Provider of high-quality services in facility management, technical equipment maintenance, digital services, energy solutions, and electromobility, with a focus on environmental sustainability and community partnerships |
220 |
| 53 |
AGRO Ubezpieczenia - Towarzystwo Ubezpieczeń Wzajemnychagroubezpieczenia.pl
100% Polish mutual insurance company offering a comprehensive range of insurance products for individuals and businesses, including motor, home, agricultural, travel, and commercial insurance |
103 |
| 54 |
LINKTISlinktis.com
Two companies provide comprehensive global transport services, specializing in road, sea, air, and rail freight, with a dedicated team of experts. |
84 |
| 55 |
Green Capital S.A.greencapitalsa.ai
Develops, constructs, and operates renewable energy projects, specializing in photovoltaic and wind farms and energy storage, contributing to clean electricity production and energy security. |
64 |
| 56 |
Neo Energy Groupneoenergygroup.pl
Develops and operates diverse renewable energy sources: solar, wind, biogas, and energy storage, boasting a 4.8 GW portfolio. Leader in Polish landfill biogas. |
62 |
| 57 |
Millennium TFI S.A.millenniumtfi.pl
A leading asset manager in Poland with expertise in managing financial assets, offering open-ended mutual funds and retirement solutions for individual clients |
33 |
| 58 |
Prosper Capital Dom Maklerski S.A.pcdm.pl
Investment firm facilitating capital acquisition and investment through financial instruments, emission and distribution, advisory services, and partnerships with renewable energy businesses |
6 |
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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 Oct 24, 2026.
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