+48 22 486 37 37

al. Niepodległości 69
02-626 Warszawa
3rd floor, Metron building


Employing 3000 specialists, Sii is the leading provider of IT and engineering services in Poland, delivering solutions for business partners from all around the world. The company cooperates with more than 200 clients – from Canada, USA, Japan and Western Europe – including Great Britain. Sii specialists carry out projects for leading companies from: financial services, banking & insurance, hi-tech, electronics, telco, OEM, retail, consumer products, transportation & logistics, manufacturing, aerospace, media, communication, e-commerce and other sectors. Among our clients you will find i.a. Dollar Financial Group, Thyssen Krupp, Fresenius, Scalepoint, Berlingske Media, Widex, Sabre, T-Mobile and many more.


As an offshoring leader in Central Europe Sii has profound experience in international cooperation. It is a trusted nearshoring partner, supporting companies in the area of consulting, analysis and tests as well as software development, infrastructure management, integration, system maintenance and engineering. Projects are carried out based on the Lean and Agile methodology, which guarantees flexibility and a full compliance of the service with the Customer’s needs. Sii is first and foremost a technological expert, whose technical skills focus around 11 Competency Centers: Testing, Digital, Application Services, AX, SharePoint, CRM, Business Intelligence, Salesforce, Engineering, Trainings and IT Operations. These are specialized units within which the most experienced specialists provide their expertise, develop their own skills and share knowledge.


Sii has the biggest testing resources in Poland and its own mobile testing lab. The Sii team counts as many as 600 testers, most of whom hold professional certificates. The core of Sii’s testing is the Testing Competency Center, which carries out project for nearly 100 clients (almost a half of them for foreign companies). For 11 years, Sii has gained the complex knowledge necessary to help clients and support them in optimizing testing costs through the implementation and execution of automated tests, selecting the best testing tools, implementing efficient processes as well as the right choice of test teams and adjusting the salaries and testers’ rates to market conditions. Additionally the reliability and care for adhering to the most strict international norms are confirmed by the Common Criteria safety certificate. Sii has its 8 branches in: Warsaw, Cracow, Wroclaw, Gdansk, Poznan, Lublin, Lodz, Katowice. Read more www.sii.pl/en. For more information, please contact our Business Manager: Szymon Wroblak, swroblak@pl.sii.eu.