Sii Structure

The Sii Białystok branch has been operating since 2019 and employs nearly 200 specialists. Our engineers implement projects for international clients in the banking, medical, consumer goods, and hi-tech sectors. Our team consists of Java, AEM, .NET, and Front-end developers, as well as testing and embedded specialists.

The Sii Bydgoszcz branch has been operating since 2018 and currently employs almost 200 specialists. We implement projects based on Java, .NET, web and mobile technologies, and C/C++/Embedded. Our experts work with global companies representing various sectors, including automotive and healthcare. 

The Sii Krakow branch has been operating since 2011 and currently employs over 800 specialists. We implement projects in Java, .Net, Xamarin, iOS, Android, JavaScript, C++, and C/C Embedded technologies, and our clients are global leaders from the banking, travel, telecommunications, industrial automation, and automotive sectors. 

With over 1 200 engineers and specialists, we are one of the largest IT employers in Pomerania. We hold several ISO certifications, which confirm our adherence to the most stringent quality and security procedures for delivering services and protecting information.

The Sii Katowice branch has been operating since 2014 and currently employs more than 500 specialists. We cooperate with companies from the banking, hi-tech, railway, automotive and industrial sectors.

The Sii Lodz branch has been operating since 2012. Over 500 of our specialists focus on the banking, financial, retail, and hi-tech sectors, as well as international clients, particularly from Switzerland.

We are the largest IT employer in Lublin, with a team of more than 800 specialists. Our clients are the largest Polish and international companies in various sectors. In addition, we develop software for the company’s internal needs in Lublin. 

The Pila office is Sii’s second center in Greater Poland. It serves as a workplace for specialists in engineering and IT who work on projects for leading brands in the automotive industry, as well as clients from the pharmaceutical and banking sectors, among others.

The Sii Poznan branch has been operating since 2010. It is the workplace of more than 600 specialists who carry out projects for clients worldwide, including those from the banking, manufacturing, and pharmaceutical industries. 

The Sii Rzeszow branch has been operating since 2018 and currently employs more than 200 specialists. We offer a wide range of IT services and actively develop services in mechanical and electrical engineering. The main technologies we work with include Java, .NET, Web Development, and C/C++/Embedded. 

The Sii Szczecin branch has been operating since 2022 and already employs almost 100 specialists. We work with international companies in the automotive, healthcare, and e-commerce sectors.

The Sii Toruń branch was officially opened in 2023 and already employs more than 50 specialists. We implement projects for Sii’s global clients from the banking, financial, FMCG, hi-tech, and pharmaceutical sectors. Our specialists create dedicated solutions based on technologies such as Java, .NET, C/C++, and JavaScript. 

The Warsaw branch has existed since the establishment of Sii in 2006 and currently employs over 1 300 specialists. We support clients in the financial, telecommunications, pharmaceutical, manufacturing, energy, and public sectors. 

The Sii Wroclaw branch has been operating since 2009 and currently employs over 900 specialists. We provide services to clients in the medical, banking, manufacturing, and telecommunications industries.

In the Netherlands and Belgium region, we provide a full range of IT and engineering services in a nearshoring model, working with clients across various sectors – from automotive and healthcare to fintech, retail, and energy.

By combining our local presence with a strong pool of experts from Poland, we offer our partners flexibility, quality, and cost efficiency.

In the Czech and Slovak markets, we are developing cooperation with clients representing such industries as automotive, hi-tech, healthcare, railway and e-commerce. Customers appreciate the services we offer in the nearshoring model.

500 Sii engineers are delivering solutions to companies in the German and Austrian markets, with the majority of them working in a nearshoring model. Over 50 clients from this region have trusted us, including major players in the automotive, medical, retail, and hi-tech sectors.

The Pune branch was established in direct response to growing demand. Many of our Polish clients expressed a strong need for professionals based in India, so we’re expanding there. My main task is to set up the branch and make sure it runs smoothly and grows sustainably. This means building a strong foundation and a way of finding top candidates for our clients. We want the Pune office to be a reliable and essential part of our global network.

Currently, over 500 Sii engineers provide services to more than 40 customers in Sweden, Denmark, Norway, and Finland. The area is a strategic market for Sii. The geographical and cultural proximity to Poland, where Sii has the resources of nearly 8 000 engineers, is the basis for successful cooperation with our partners.

Sii Sweden was established in 2018 and since then has been cultivating partnerships with nearly 30 clients in the Swedish market. We specialize in delivering top-quality services in technological consulting, digital transformation, BPO, and engineering services.

We collaborate with over 30 clients from the forefront of the largest companies in Switzerland, representing sectors such as energy, hi-tech, retail and logistics, as well as the luxury industry.
Having 14 offices in Poland and 3 in Switzerland (Zurich, Geneva, Lausanne) Sii is one of the most important nearshoring and local partner.

Our cooperation with Icelandic clients has been ongoing since 2017. They value us for the highest quality of service, the ability to launch new projects and services quickly and efficiently, the security of the nearshoring model, and compliance with security standards.

In Ukraine, we are expanding our collaboration with our major clients and working in coordination with Sii Ukraine’s specialists to execute projects from Sii Poland’s broad portfolio. Clients appreciate the high level of knowledge, professionalism, and dedication of experts from both our Polish and Ukrainian teams.

We support American clients with high-quality IT and engineering services delivered from Poland – Europe’s most competitive technology hub. Combining technical excellence, cultural synergy, and time zone compatibility, we enable smooth and efficient cooperation for U.S. businesses.

We collaborate with over 75 clients in the hi-tech, electronics and industrial engineering sectors. More than 1 800 Sii experts specialize in the areas of R&D for embedded software, connectivity, quality assurance and security.

We collaborate with more than 55 clients in the financial services, banking and insurance sectors. With the help of more than 1 400 experts, we provide software development and testing support, as well as infrastructure projects and business consulting.

We collaborate with over 60 clients in the Healthcare & Life Sciences sector. More than 1 000 Sii experts provide services in Smart Factory: Industry 4.0, software testing, bioinformatics, Digital Therapeutics, embedded medical device systems support or Life Science applications and systems.

We collaborate with more than 50 clients in the automotive industry. More than 400 Sii experts are engaged in projects in the fields of production automation, Smart Factory, R&D, software development and testing, and business application implementation.

Over 300 Sii experts support central government, healthcare, energy and public institutions by providing services in BI, digital workplace, cybersecurity, as well as implementation and maintenance of ERP systems.

We collaborate with over 20 clients in the media and entertainment sector. Sii experts specialize in OTT solutions, VR and AR, omnichannel strategies, business software implementation, and data analysis.

We collaborate with over 100 clients in the retail, logistics, and consumer goods sector. More than 900 Sii experts specialize in e-commerce solutions, omnichannel strategies, business software implementation, and data analysis.

With over 3000 people engaged in software engineering projects we give our clients quality, top competence and technological freedom through all phases of software lifecycle –  from concept, through architecture, development, quality assurance & release to monetization, customization & integration, and maintenance.

As the only Gold Partner of Scaled Agile, Inc. in Poland, we assist organizations in implementing business agility using the world’s most popular approach to scaling agility – SAFe. We carry out transformations, provide consultancy, and train major companies from every sector. We support agile transformations for over 130 clients in Poland and around the world.

As an Atlassian Platinum Partner, we perform Atlassian platform implementations, cloud migrations, optimizations and deliver Atlassian subscriptions. We automate processes, integrate Atlassian with 3rd party systems, and help organizations achieve better results while reducing costs.

We assist our clients in optimizing their business processes by offering support from specialists and teams. Prior to automation, we conduct an analysis of each process, sometimes even creating it from scratch. We provide services in data management, KYC&AML, marketing, UX/UI, HR, payroll, and administration for over 40 clients.

With more than 1 000 experts in the Martech, marketing, and graphic design areas, we are the largest provider of end-to-end marketing and IT services in Poland.

Our area of expertise includes audits and E2E analysis of business processes: accounting, invoicing, payroll, administration, office management, costs management, procurement, business trips, designing and redesigning of back-office processes, planning optimization and improvements, and managing advisory projects. We support clients in the identification of KPIs and designing dedicated services to be implemented in the outsourcing model.

We offer our clients cutting-edge data integration and management platforms, advanced analytics using artificial intelligence, including text analytics, and comprehensive data migration strategies from on-premises to the cloud. We have a specialization in Analytics on Azure tied to the Microsoft Data & AI Solutions Partner title, and partnerships with Snowflake and AWS.

As one of Poland’s leading technology powerhouses with a team of over 50 AI specialists, we deliver impactful, tailor-made AI solutions that drive measurable results across industries such as healthcare, manufacturing, retail & logistics, banking, media, automotive.

Our expert team goes beyond standard implementations—designing, building, and deploying in-house neural network architectures and advanced algorithms across areas like: Generative AI, agentic systems, Computer Vision, NLP or Data Science.

Over 1 500 of our experts specialize in digital technologies – they develop modern, custom software and create solutions in the areas of cloud technology, digital customer service, and mobile applications.

With extensive expertise in the areas of e-commerce and Digital Experience, we help our clients increase the efficiency of their online sales and marketing processes. Our team combines business knowledge with practical use of modern technologies.

Over 600 engineers provide services in the development and validation of both simple systems using low-power modes and complex solutions operating under the control of operating systems.

We offer customized industrial automation. We have completed more than 150 international projects and have experience in automating processes, machines and providing turnkey solutions. With a software background, we provide comprehensive Industry 4.0 solutions.

With our own laboratory and shop floor, we offer complete machine solutions, modifications and improvements to existing production lines, as well as the assembly of electrical cabinets.

We offer support in preparing physical product designs, from concept through product development, optimization to serial production.

Our Competency Centre specializes in Google Workspace and Cloud Platform implementations for clients, offering a range of services including deployment, process digitalization, tool adoption, and product training. We focus on cutting-edge solutions in cloud native software development, AI-based reporting tools, as well as specialized services in the areas of Manufacturing Data Engine and FinOps.

We employ over 400 specialists in the areas of Service Desk, On-site support, application support, IT infrastructure (on-premises and cloud) and DevOps. The projects we undertake cover more than 500,000 users across 3,500 locations.

We help our clients protect IT systems, prevent data security breaches and detect cyber threats. Our team’s skills are confirmed by prestigious certifications from CISSP, CISM, GCIH, GCFE, OSCP, among others.

We are a ServiceNow partner in the Reseller and Consulting & Integration programs. We employ over 50 certified specialists. Our services encompass advisory, implementation, development, upgrades, maintenance, and license sales for ServiceNow.

We help clients create a modern workplace based on the Microsoft 365 platform. With over 100 specialists, we offer services in the area of analysis, adoption, implementation, maintenance, migration, and development of dedicated solutions based on SharePoint, Power Platform, and Azure environments.

We help clients create a modern workplace based on the Microsoft 365 platform. With over 100 specialists, we offer services in the area of analysis, adoption, implementation, maintenance, migration, and development of dedicated solutions based on SharePoint, Power Platform, and Azure environments. We also prepare  organizations for Copilot implementation to run the project smoothly and timely.

Our offer includes consulting services, implementations, upgrades and maintenance and development of Microsoft Dynamics 365, with a special focus on ERP solutions, including D365 Business Central. Our team includes more than 250 Dynamics 365 specialists, and we work for more than 60 industry leaders in Poland and abroad.

As a certified Salesforce partner with over 100 specialists, we offer intelligent, multi-channel solutions to increase customer engagement. With over 10 years of experience, we’ve been delivering international projects for industry leaders.

As a Silver Partner of SAP, we offer end-to-end support services, including implementations, system development, enhancements, migrations to S/4HANA, integrations, and testing. We employ 120 certified experts, have completed over 40 global projects, and utilize the latest technologies. For years, our specialists have been delivering high-quality services both in Poland and abroad.

With over 1 400 testers, we are the largest provider of testing services in Poland. We specialize in test automation, security and performance testing, AI solution validation, and implementing low-code platforms supporting automation and shift-left approaches.

As a Tricentis Solution Partner in Test Automation and Performance Testing, we support the transformation of testing processes. Certified Tosca and NeoLoad experts provide end-to-end support, from consulting to test automation. Using Tricentis tools like Tosca, NeoLoad, qTest, and LiveCompare, we accelerate testing, improve software quality, and optimize IT system performance.

We offer a wide range of accredited training courses and proprietary workshops, and conduct classes in-house and online. We have already trained a total of more than 5000 people and work with more than 70 trainers. Our client base now exceeds 100 companies.

Our mission is to provide up-to-date and reliable financial data through the correct recognition of economic events in the books of accounts to enable accurate management decisions. We also ensure correctness in tax settlements. We are guided by Sii’s values, with Quality and Efficiency as our overriding principles.

The Cost Settlements team processes cost documents across the company. We ensure the correctness of documents, settlement files, and data entered into Sii’s internal systems. We are also available to Workers and provide assistance in settling cost invoices, business trips, and corporate cards.

The Accounting team handles bookkeeping, tax settlements, financial statement preparation, and group reporting. We cooperate with an external auditor. We monitor and report to the Board and CFO on significant changes in tax law that may affect the company’s operations. We look for opportunities to take advantage of various reliefs that allow tax savings. We provide support to all departments on issues regulated by Polish tax law.

The Billing team handles invoicing sales – both for external clients and Workers. We also ensure the accuracy of data on billed projects and verify reported hours, revenues, and costs. 

We work closely with the Sales, Accounting, and Controlling departments and conduct sales implementation training on project billing and invoicing. Our goal is to continuously improve the quality of our services and focus on client satisfaction. 

Our priority is to implement the mission, strategy, vision and business goals set by the CEO to raise Sii’s competitive advantage in the market.

On a daily basis, we manage and optimize processes – we analyze them, identify their weaknesses, and improve their efficiency. We are focused on shortening the execution time of tasks, reducing costs and errors, and increasing the efficiency of Sii’s operations. We customize applications to meet the needs of our Workers, striking a balance between user convenience, process efficiency, technological constraints, and cost. We represent internal customers before Internal IT. We prioritize projects and plan their implementation on RoadMap.

We identify elements for improvement and analyze initiatives to select those that will serve the company’s development for implementation. We study and address ideas for change submitted by our Workers, among others, using the Ideas and Improvements application. We ensure the quality and transparency of internal procedures and manage a glossary of terms to make it easier to find your way around the corporate world.

The Controlling Department is primarily engaged in analyzing financial performance, with a particular focus on project profitability. We prepare financial prognoses and monitor key performance indicators. 

We analyze not only financial data, such as margin but also information on sales activities and employment. 

In addition, we are responsible for the bonus policy at Sii.