| # | Company | Employees |
|---|---|---|
| 1 |
ING Hubs Polandinghubspoland.com
Providing IT security, hosting, remote management, application services, risk modelling, data analysis, and global card transaction processing for ING units worldwide. |
2,747 |
| 2 | 1,120 | |
| 3 | 661 | |
| 4 | 602 | |
| 5 |
E Net Productionkariera.enp.pl
A Polish company specializing in ecommerce platforms, integrating sales channels, logistics, and payment systems for technology-driven industry leaders |
326 |
| 6 | 194 | |
| 7 | 157 | |
| 8 |
Rekord Systemy Informatycznerekord.com.pl
Provider of IT solutions for business and administrative units, offering systems for decision-making, financial management, e-urzad, business management, and full support services |
110 |
| 9 |
SELLEO EdTech & HRTech Software Developmentselleo.com
Professional services company specializing in software development projects across various industries and technologies, providing full-stack developers to enhance productivity and deliver complex solutions |
96 |
| 10 |
JCommerce Sp. z o.o.nearshore-it.eu
A technology partner empowering clients with digital solutions and best practices in custom software development, IT consulting, and strategic partnerships |
91 |
| 11 | 67 | |
| 12 |
Software Interactivesoftint.eu
Established in 2013 with over 170 employees, specializing in team leasing, managed services, custom software development, and R&D projects in C++, NET, and Python |
63 |
| 13 |
fireup.profireup.pro
Specializing in modern solutions, we develop software for various businesses, involving clients in the creation process to ensure final product satisfaction |
62 |
| 14 |
DELEGATEdelegate.pl
A provider of ERP software solutions for industrial and service sector companies, also offering IT outsourcing services and innovative business process solutions |
60 |
| 15 | 57 | |
| 16 |
Comernal Softwarecomernal.com
A software development company offering Agile development, consulting, and innovative solutions with expert guidance, design, implementation, and support across multiple platforms |
52 |
| 17 |
Revolve Healthcarerevolve.healthcare
Specializing in software development for healthcare, we guide companies in creating digital products with a focus on quality, compliance, and innovation |
50 |
| 18 | 49 | |
| 19 |
Connecto. Informatyka w biznesie.connecto.pl
The company specializes in transforming business processes into technological tools, providing IT solutions for data management and integration with ERP systems |
46 |
| 20 |
LEOCODE - Your Tech Partnerleocode.com
Driving digital transformation by connecting different areas, implementing new technologies, and undertaking complex projects for clients worldwide using Agile methods and web technologies |
44 |
| 21 |
co.brickcobrick.com
We establish a full stack R&D hub to support SaaS startups and growing businesses worldwide with a focus on DevOps and fostering a growth culture in teams |
38 |
| 22 |
QNT Systemy Informatyczneqnt.pl
The company provides tailored IT solutions for public administration, education, and judiciary They specialize in system implementation, compliance, and collaboration with global IT firms They also support employees' passions such as sailing |
33 |
| 23 |
merce.com: eCommerce platformmerce.com
merce enables organizations to realize their unique commerce vision by bridging technology and expertise, covering every aspect of the digital commerce stack |
30 |
| 24 |
IT-SOLVE Mobility Business Partnerit-solve.tech
IT-SOLVE is a fast-growing company offering comprehensive IT services, specializing in development and implementation of Microsoft-based systems Their services include Competency Outsourcing, Outsourcing, and Software House Their mission is to provide high-quality services through dedicated and experienced specialists |
22 |
| 25 | 17 |
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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 Oct 24, 2026.