The professional services firms in Masovia are predominantly large organizations, with a strong presence of global consulting and IT services providers. PwC Polska, KPMG Poland, and Deloitte Poland offer a wide array of audit, tax, and consulting solutions. IT services are well represented by companies like Accenture Poland, Billennium, and Lingaro, focusing on digitalization, AI, and data solutions.
All the listed companies are headquartered in Warsaw, indicating a centralization of professional services within the capital city. The firms span various sectors including business consulting, IT services, accounting, investment banking, and staffing, reflecting a diversified professional services landscape in the region.
| # | 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 |
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 | |||
| 3 |
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 | |||
| 4 |
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 | |||
| 5 |
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 | |||
| 6 |
AMG Biuro Rachunkoweamgbiuro.pl
A family business with extensive experience since 1994, offering financial advice, HR and payroll management, and accounting solutions for a range of clients |
1,330 | |||
| 7 |
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 | |||
| 8 |
Sollers Consultingsollers.eu
Support financial institutions with business transformations, digital capabilities, and software integration using low-code platforms and global technology partnerships. |
940 | |||
| 9 |
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 | |||
| 10 |
BlueSoftbluesoft.com
Providing comprehensive IT services focusing on business value, quality delivery, team collaboration, and vendor independence since 2002. |
728 | |||
| 11 |
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 | |||
| 12 |
Lionbridge Polandlionbridge.com
A leading provider of translation, digital marketing, content management, and application testing solutions, specializing in global brand consistency and local market adaptation |
669 | |||
| 13 |
EWL Groupewl.com.pl
Leading Polish recruitment agency offering comprehensive services for hiring workers from Eastern Europe and Asia, as well as professional employment solutions for various sectors |
632 | |||
| 14 |
Connectis_connectis.pl
We develop developers and prepare them for the future, providing dedicated IT teams and specialists to clients efficiently and remotely |
617 | |||
| 15 |
Urząd Dozoru Technicznegoudt.gov.pl
A Polish institution ensuring safe operation of technical devices through technical supervision, certification, training, and research laboratory services with specialized staff |
603 | |||
| 16 |
Randstad Polskarandstad.pl
A global leader in HR consulting and temporary staffing, supporting individuals in finding the right jobs and businesses in hiring top talent, while staying up-to-date with market trends |
559 | |||
| 17 |
Transition Technologies MSttms.com
Global IT services provider offering end-to-end solutions with expertise in niche technologies, staffed by over 800 specialists across multiple continents |
515 | |||
| 18 |
KCRiconplc.com
A clinical development solutions provider specializing in trial execution, consulting, and placement for biotechnology and pharmaceutical organizations worldwide |
493 | |||
| 19 | 490 | ||||
| 20 | 455 | ||||
| 21 |
SoftTecosoftteco.com
A software development company offering custom services globally, with a highly professional team completing over 300 projects across various industries |
454 | |||
| 22 | 450 | ||||
| 23 |
Craftwarecraftware.com
The company provides digital transformation services, technology consulting, body and team leasing in IT, specializing in Salesforce, UiPath, and Veeva solutions |
444 | |||
| 24 |
MS Servicesmsservices.pl
Leading provider of outsourcing services in Poland specializing in efficient solutions supporting sales projects, with a focus on sales outsourcing, merchandising, and sales promotion |
435 | |||
| 25 | 409 | ||||
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| 26 |
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 | |||
| 27 |
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 | |||
| 28 |
Fundacja Rozwoju Przedsiębiorczości Twój StartUPtwojstartup.pl
A team of professionals helps individuals start successful businesses by providing support, low-cost implementation, and guidance towards success |
358 | |||
| 29 |
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 | |||
| 30 |
Mmdmmdcee.com
Leading consultancy specializing in public affairs and corporate communications across Eurasia, Central, Eastern, and South East Europe with extensive industry expertise. |
356 | |||
| 31 |
Only Tax Biuro Rachunkoweonlytax.pl
A young, dynamic accounting office with extensive experience in serving businesses, technology firms, startups, and programmers Emphasizing timeliness and comprehensive financial support |
319 | |||
| 32 |
Yalantisyalantis.com
In close collaboration with clients, Yalantis transforms innovative ideas into world-changing technical solutions, offering IT consulting services in various industries |
319 | |||
| 33 | 309 | ||||
| 34 |
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 | |||
| 35 |
The Software Housetsh.io
Custom software development focused on client satisfaction Offering technology advice, tight-deadline project resources, project methodology, and expertise in various tech areas |
287 | |||
| 36 |
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 | |||
| 37 |
Nexio Managementnexio.pl
A software development and consulting firm specializing in providing high-quality IT products and services to clients in various industries |
263 | |||
| 38 |
KR GROUP LTD.krgroup.eu
A fast-growing accounting and tax advisory group in Poland and CEE region, providing services to over 300 international clients in various industries |
254 | |||
| 39 |
Link Grouplinkgroup.co
Specializing in building tech teams for Fortune 500 companies and startups worldwide by providing top talent in software development, design, and project management |
244 | |||
| 40 |
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 | |||
| 41 |
SSWssw.solutions
A leading firm offering comprehensive law, tax, accounting, finance, and advisory services with a team of over 170 experts delivering value-added solutions globally |
235 | |||
| 42 |
Wardynski & Partnerswardynski.com.pl
A leading law organization in Poland promoting civil society and the rule of law, offering expert legal services and resources |
225 | |||
| 43 |
Salestubesalestube.tech
A leading e-commerce company offering comprehensive solutions, expertise in marketing, logistics, and consulting, with a focus on work-life balance |
199 | |||
| 44 |
Edge One Solutionsedge1s.com
A reliable partner for resourcing, software development, and service solutions for global businesses, entrepreneurs, and startups to address technology needs efficiently |
198 | |||
| 45 | 194 | ||||
| 46 |
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 | |||
| 47 | 129 | ||||
| 48 |
7bulls.com7bulls.com
This company specializes in providing efficient, cost-effective, and future-proof IT solutions for a wide range of clients, including major international corporations |
87 | |||
| 49 |
WebTalk Agencywebtalk.pl
An independent digital agency specializing in comprehensive online campaigns since 2010, putting digital first and offering complete brand communication solutions |
85 | |||
| 50 | 66 | ||||
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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 Nov 12, 2026.
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