The companies listed are primarily large consulting firms, with a strong emphasis on IT services and business consulting. Many of these firms offer comprehensive solutions in areas such as software development, digital transformation, and financial advisory. Notable examples include Andersen Lab, which provides end-to-end IT services, and PwC Polska, offering legal, tax, business, and audit solutions.
A significant pattern observed is the concentration of these companies in Warsaw, indicating a central hub for consulting services within Masovia. While some firms like KCR, a clinical development solutions provider, are located in Wola, the vast majority are headquartered in the capital, often established around the early 2000s, such as Billennium (2003) and BlueSoft (2002).
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
PwC Polskapwc.pl
Providing legal, tax, business, and audit solutions to diverse clients across sectors, supporting both large corporations and local enterprises. |
4,370 | |||
| 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 |
Innowiseinnowise.com
International software development company delivering advanced digital solutions using AI, Big Data, IoT, Blockchain, and AR/VR technologies worldwide. |
2,118 | |||
| 4 |
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 | |||
| 5 |
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 | |||
| 6 |
Billenniumbillennium.com
Global technology consulting and outsourcing company offering IT solutions, staff augmentation, managed services, and technology solutions with a focus on AI, cloud, and software development |
1,381 | |||
| 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 |
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 | |||
| 11 |
BlueSoftbluesoft.com
Providing comprehensive IT services focusing on business value, quality delivery, team collaboration, and vendor independence since 2002. |
728 | |||
| 12 |
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 | |||
| 13 |
KCRiconplc.com
A clinical development solutions provider specializing in trial execution, consulting, and placement for biotechnology and pharmaceutical organizations worldwide |
493 | |||
| 14 | 490 | ||||
| 15 | 450 | ||||
| 16 |
Craftwarecraftware.com
The company provides digital transformation services, technology consulting, body and team leasing in IT, specializing in Salesforce, UiPath, and Veeva solutions |
444 | |||
| 17 | 409 | ||||
| 18 |
CBRE Polandcbre.pl
A global leader in commercial real estate advisory and investment services, offering a wide range of integrated services to diverse clients worldwide |
392 | |||
| 19 |
Modsenmodsen-software.com
Global software development company offering services such as custom software development, team augmentation, business analysis, UI/UX design, and quality assurance testing Specializing in various industries |
379 | |||
| 20 |
Axendiaxendi.com
A leading provider of contact center services with 5 operational centers, 1700 agents, and expertise in multichannel customer service solutions |
377 | |||
| 21 |
RÖDL Polandroedl.pl
A global provider of legal, tax, management and IT consulting services with offices in 50 countries and over 5,800 trusted professionals |
358 | |||
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. | |||||
| 22 |
Mmdmmdcee.com
Leading consultancy specializing in public affairs and corporate communications across Eurasia, Central, Eastern, and South East Europe with extensive industry expertise. |
356 | |||
| 23 |
Onweloonwelo.com
A fast-growing technology firm in Poland providing modern IT solutions for organizations worldwide, with expertise in software development, testing, analytics, and automation |
294 | |||
| 24 |
PKF Polskapkfpolska.pl
One of the largest audit and consulting networks in the world, with 30 years of experience in Poland Specializing in audit, financial advisory, and more |
277 | |||
| 25 |
Nexio Managementnexio.pl
A software development and consulting firm specializing in providing high-quality IT products and services to clients in various industries |
263 | |||
| 26 |
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 | |||
| 27 |
Salestubesalestube.tech
A leading e-commerce company offering comprehensive solutions, expertise in marketing, logistics, and consulting, with a focus on work-life balance |
199 | |||
| 28 | 194 | ||||
| 29 |
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 | |||
| 30 | 129 | ||||
| 31 |
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 | |||
| 32 |
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 | |||
| 33 |
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 | |||
| 34 |
Airnauts.comairnauts.com
The company empowers innovative individuals to enhance their ideas into successful outcomes using a combination of technology and creativity |
31 | |||
| 35 |
Aurelis Consultingaurelisconsulting.com
Boutique service provider specializing in automotive aftersales, offering consulting, research, and software solutions exclusively for OEMs in global motor vehicle markets |
22 | |||
| 36 |
Thorianathoriana.com
An advisory company in Europe specializing in Program, Project, and Portfolio Management, offering consultancy, training, and project delivery services for business success |
22 | |||
| 37 |
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 | |||
| 38 |
Margo Polskamargo-group.com
An IT consulting firm specializing in complex projects in the financial industry, prioritizing positive energy, relationships, and investments in people's potential |
20 | |||
| 39 |
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 | |||
| 40 |
Impuls Doradztwo Biznesoweimpulsdb.pl
A rapidly growing consulting company with expertise in strategy development, data analysis, process optimization, product implementation, and modern management practices for various clients |
18 | |||
| 41 |
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 | |||
| 42 |
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 | |||
| 43 |
White Technologieswhite-technologies.io
A global IT consulting company focused on developing AI-enabled solutions for software development |
3 | |||
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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.
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