| # | Company | Employees |
|---|---|---|
| 1 |
Sii Polandsii.pl
Provides technology consulting, AI-driven digital transformation, engineering, and business services, supporting clients in testing, software development, infrastructure management, and system integration. |
6,243 |
| 2 |
Andersen Labandersenlab.com
Providing end-to-end IT services, custom software development, API integration, system architecture, and legacy modernization, building tailored, scalable, and secure digital products with AI, ML, Data Science. |
3,703 |
| 3 |
BCCbccgroup.com
A consulting company specializing in SAP services, IT outsourcing, and software development, focusing on big Polish companies and international corporations worldwide |
2,981 |
| 4 |
Innowiseinnowise.com
International software development company delivering advanced digital solutions using AI, Big Data, IoT, Blockchain, and AR/VR technologies worldwide. |
2,118 |
| 5 |
KPMG Polandkpmg.com
Global organization providing professional services in audit, tax, finance, legal, and consulting Improving business results, managing risks, creating strategies, and adding value |
1,989 |
| 6 |
Accenture Polandaccenture.com
A global company providing professional services to leading businesses, governments, and NGOs, focusing on digitalization, operational optimization, profitability, and social impact |
1,909 |
| 7 |
Lingarolingarogroup.com
Empowers global enterprises to achieve measurable outcomes with data and AI, providing end-to-end solutions from strategy to scalable platforms for actionable insights and automation. |
1,361 |
| 8 |
Deloitte Polanddeloitte.com
Deloitte provides professional advisory services in consulting, audit, tax, legal, risk management, financial advisory, forensic, AML, and compliance, with a global team of specialists |
1,086 |
| 9 |
Sollers Consultingsollers.eu
Support financial institutions with business transformations, digital capabilities, and software integration using low-code platforms and global technology partnerships. |
940 |
| 10 | 935 | |
| 11 |
Grant Thornton Polandgrantthornton.pl
A leading audit and advisory organization with over 53,000 employees worldwide, providing services in audit, advisory, and outsourcing to clients in 135 countries Operating in Poland since 1993 |
818 |
| 12 |
PGS Software S.A.pgs-soft.com
Innovative team of experts providing agile, reliable software solutions from design to development, specializing in digital innovation and fostering long-lasting relationships |
808 |
| 13 |
CAGcag.com.pl
Independent investment banking partnership providing high-quality transaction advisory services in Poland and other CEE countries, with €12 billion in completed deals |
779 |
| 14 |
Future Processingfuture-processing.com
Advises and delivers tech strategy, transforming business ambitions into measurable outcomes for clients in various regulated industries. |
703 |
| 15 |
Britenetbritenet.eu
A technology firm with over 17 years of outsourcing experience, specializing in software development, cybersecurity, and IT services for various industries worldwide |
700 |
| 16 | 661 | |
| 17 |
Nexio Managementnexio.pl
A software development and consulting firm specializing in providing high-quality IT products and services to clients in various industries |
263 |
| 18 |
KBJkbj.com.pl
A market leader in SAP services, KBJ provides technology solutions and expertise to help organizations achieve digital transformation and become intelligent enterprises |
239 |
| 19 | 206 | |
| 20 | 194 | |
| 21 |
Crunch-IS | Software Development and AI Expertisecrunch-is.com
Specializing in building dedicated software development teams for companies, providing access to top engineering talent for tech expertise and operations scaling |
172 |
| 22 |
CSHARKcshark.com
A global technology partner with 230 experts, generating over €21M revenue from 45+ projects Specializing in digital transformation for enterprises and product development for startups |
172 |
| 23 | 157 | |
| 24 |
deepsense.aideepsense.ai
AI solutions provider offering AI Guidance and Implementation Services for global clients Specializing in Generative AI, NLP, Computer Vision, Predictive Analytics, MLOps, and Data Engineering |
139 |
| 25 |
ANEGISanegis.com
Specialists in Microsoft Dynamics 365 with over 10 years of experience, offering tailored business management systems for medium to large companies |
132 |
| 26 | 129 | |
| 27 | 108 | |
| 28 |
Exence S.A.exence.com
Company specializing in delivering comprehensive IT solutions, including open source applications and systems, to improve business performance, security, and reduce costs |
69 |
| 29 | 68 | |
| 30 |
DataConsult S.A.dataconsult.pl
Development and implementation of innovative warehouse management systems tailored for various business sizes and logistics operators across Poland. |
66 |
| 31 |
THAUMATEC TECH GROUPthaumatec.com
Specializing in innovative HealthTech product development with expertise in compliance, quality assurance, chip-to-cloud technologies, and broad international experience for optimal business value |
63 |
| 32 |
Predictive Solutions (formerly SPSS Polska)predictivesolutions.pl
Supporting clients enhance efficiency through data analysis, providing tools, building specialist IT solutions leveraging predictive technologies in various areas, and offering consulting and training services. |
59 |
| 33 |
Lightpoint Globallightpointglobal.com
A software development expert with 12+ years experience, specializing in custom web applications, data engineering, analytics, cloud infrastructure, and IT consulting services Serving diverse industries with notable clients |
55 |
| 34 |
Espeo Softwarebit.ly
This company specializes in developing and implementing innovative fintech solutions, particularly in areas like blockchain, online payments, and digital banking |
54 |
| 35 |
A2 Customer Care Sp. z o.o.a2cc.eu
This company provides innovative IT strategies, business and IT consulting, SAP consulting, cloud solutions, and eMobility solutions for the energy sector |
49 |
| 36 |
CrustLabcrustlab.com
iGaming powerhouse offering services for developing custom frontends, sportsbooks, casinos, lottery systems, and more, with strategic advisory support for business growth |
44 |
| 37 |
Finitecfinitec.pl
A Financial Information Technology Solutions company providing cutting-edge solutions and recruitment services primarily for financial institutions, emphasizing reliability, responsibility, and integrity |
37 |
| 38 |
Blazityblazity.com
A team of Nextjs and React experts specializing in custom product development, web development, and migrating legacy systems to modern headless architecture |
35 |
| 39 |
Airnauts.comairnauts.com
The company empowers innovative individuals to enhance their ideas into successful outcomes using a combination of technology and creativity |
31 |
| 40 |
Thinksoftthinksoft.net
A European software development company with experienced developers, inspiring management, and a track record of successful projects worldwide Specializing in web, mobile, cloud, and testing solutions |
21 |
| 41 |
INVESTIN Sp. z o.o.investin.pl
This company develops and finances advanced technologies through Venture Capital investments, start-up acceleration programs, and comprehensive advisory services in the global innovation market |
20 |
| 42 |
Rubicon Partnersrubiconpartners.pl
Independent investment banking firm and venture capital fund specializing in M&A, financing, and advisory services for Polish and international clients Award-winning and trusted by Warsaw Stock Exchange |
16 |
| 43 |
CRISIL Polandcrisil.com
Leading analytics provider offering research and analytics services for top financial institutions globally, specializing in equity and fixed-income markets and risk analytics support |
14 |
| 44 |
MC2 Innovationsmc2innovations.com
A technology company offering transformational solutions for businesses across various industries, leveraging the latest technologies to create competitive advantages for clients |
12 |
| 45 |
Plona Consulting Sp. z.o.o.bit.ly
This company provides financial advice and analysis to help business owners manage based on data, enabling fast and secure growth across various industries |
10 |
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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.
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