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We partner with technology leaders to deliver solutions that maximize efficiency, integrate customer experiences, and deliver strategic insights.

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Katarzyna
Lead Resource Manager

PROVEN EXPERTISE

1 800+ certified
specialists on board

300+ enterprise
platforms clients

80% of clients rating Sii
'excellent' or higher

1 600+ successfully
delivered projects

ENTERPRISE PLATFORMS AT SII

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SOLUTIONS & SERVICES WE DELIVER

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Sii x Microsoft

As a Microsoft Cloud Partner, we offer a broad range of Microsoft solutions to optimize operations, improve collaboration, and achieve agility.

Sii x Adobe

As an Adobe partner, we provide functional tools for managing customer experiences, enabling you to build websites, launch campaigns, analyze data, and measure performance.

Sii x Tricentis

As the largest Tricentis partner in Poland, we implement modern AI-based low-code tools to automate testing and reduce costs.

Sii x Atlassian

As an Atlassian Platinum Partner, we analyze, implement, and migrate tools to the cloud for faster, more efficient team workflows.

Sii x Google Cloud

As an Atlassian Platinum Partner, we analyze, implement, and migrate tools to the cloud for faster, more efficient team workflows.

Sii x SAP

As an SAP Silver Partner, we have many years of experience in implementing ERP solutions in companies of various scales and process complexities.

Sii x ServiceNow

As an SAP Silver Partner, we have many years of experience in implementing ERP solutions in companies of various scales and process complexities.

Sii x Salesforce

As a Salesforce partner, we use our expertise and AI-based applications to improve sales, customer service, and productivity in your company, ensuring smooth and efficient implementation.

Better logistics efficiency with cloud-based analytics for a biotech innovator

Watch how Sii helped Aker Biomarine plan optimal ship routes and crew shifts, boosting logistics efficiency for their krill-based products. We consolidated data from 20 sources in one platform, using Power Apps and Power BI on Google Cloud. This enabled scenario testing, improved supply chain effectiveness, and implemented scalable technologies to reduce costs across all operations.

Long-term SAP S/4HANA maintenance: efficiency and downtime risk minimization

Check out how we responded to Frosta's needs by providing full support for SAP S/4HANA for the branches in Poland and Germany. We made it possible to quickly solve complex problems, develop and maintain the software, and smoothly take over services from the previous supplier. The high quality of our services has resulted in many years of cooperation.

Increased sales efficiency in Poland's largest laboratory with Salesforce

See how Sii helped Diagnostyka, Poland's largest network of medical labs, improve its sales processes. We implemented a new sales support system for contractors, making operations smoother and increasing engagement. The work included custom integrations with core and back-office systems, training users and administrators, and migrating data. This led to increased efficiency for medical representatives, a complete view of contractors, and better reporting and analysis.

Unified cloud solution with MS Dynamics 365 for Sales and Field Service

See how we modernized Stalgast's technology stack including MS Dynamics 365 ERP, CRM, and Field Service functions to maintain growth and expand into foreign markets. We implemented Dynamics 365 F&O for finance, purchasing, sales, WMS warehouse, and production, deployed Dynamics 365 Sales as a CRM solution, and utilized Dynamics 365 Field Service for field operations. Additionally, we integrated Dynamics 365 with external solutions like e-commerce and PIM.

Better logistics efficiency with cloud-based analytics for a biotech innovator

Long-term SAP S/4HANA maintenance: efficiency and downtime risk minimization

Increased sales efficiency in Poland's largest laboratory with Salesforce

Unified cloud solution with MS Dynamics 365 for Sales and Field Service

Meet our Enterprise platforms specialists

Krzysztof Polewiak

Solution Architect

He gained experience with the cloud while working at Microsoft and Millennium Bank, among others. Krzysztof helps clients design and implement public cloud solutions, speaks at industry conferences, and conducts Azure cloud training. He holds several certifications, including Azure Solution Architect Expert, Azure Administrator, Azure Network Engineer, and Azure Security Engineer. Microsoft has honored him with the Azure MVP and Cloud Security MVP awards.

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Mateusz Kasprzak

Salesforce Developer

Focused on creating new automation solutions for one of the leaders of the pharmaceutical industry and integrating client and subcontractor systems. Thanks to working at Sii, he gets a chance to work with all Salesforce functionalities and obtains certificates that confirm his new competencies.

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Karol Garlicki

ServiceNow Solution Architect

At Sii, Karol is the ServiceNow platform architect and the SCRUM team's technical leader. He is responsible for implementing, developing, and configuring many ServiceNow modules, such as ITSM, Service Portal, Software, and Asset and Configuration Management, for our customers daily. Outside of work, he cherishes his free time with family at their summer house.

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Piotr Bilski

Google Cloud Software Engineer

He is a Senior Software Engineer and currently works as a Python Developer for one of the world's biggest banking and financial institutions. He is responsible for developing the API for the internal search engine—not only does he write the code, but he also actively participates in creating the solution.

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Michał Majewski

Architect

An architect with experience in consulting, designing, implementing, and optimizing existing and new business processes based on the Atlassian platform. In his daily work, he supports clients in migrating to the Atlassian Cloud and updating entire on-premises environments.

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Przemysław Maciejczyk

Power BI Senior Analyst

Przemek implements and supports client development in the area of data analysis focusing his attention on creating solutions in the reporting area. With his problem identification skills and project experience, he provides precise specifications that form the foundation of the projects being developed. His experience in the insurance, finance and manufacturing sectors brings expertise and a wide range of solutions to projects. Przemek is an expert in reporting and data analysis, which allows him to effectively support decision-making processes, transforming data into valuable information. In his spare time, he plays computer games and enjoys sports.

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Mariusz Staniec

Tosca Architect

At Sii, Mariusz handles all technical aspects related to the Tricentis Tosca tool, from technical support for presales projects, through proof-of-concept, infrastructure design and planning, implementation, training, and preparation of best practices, to test building. In his free time, he enjoys walking his dog, playing sports, and spending time with loved ones.

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Mateusz Jarmużek

SAP Solution Architect

A certified SAP consultant with a wide range of skills and extensive experience in technology areas such as SAP HANA, SAP Fiori, ABAP Cloud, SAP BTP Extension Developer, SAP BTP Integration Suite, and SAP Hana Cloud. His role as a Solution Architect in projects is not only to effectively use knowledge in practice, but also to creatively shape innovative solutions that bring real benefits to clients. Outside of work, he values time spent with his family, an important element of work-life balance for him.

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Joanna Rojek

M365 Consultant

As a Microsoft 365 consultant, Joanna helps clients fully utilize the applications available in the ecosystemthe applications available in the ecosystem to the fullest. She participates in migration projects and creates intranets and other portals based on SharePoint Online. Her skills also include providing training and strategic advice.

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Mateusz Palus

SAP Consultant

He's been working in the IT field for 7 years, specializing in SAP system administration, particularly SAP BASIS. His primary objective is to provide high-quality services, supporting clients in their daily operations and additional implementation projects. He has a keen interest in sports history, especially football, as well as various aspects of pop culture such as film and music.

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Zuzanna Stanisławska

Salesforce Business Analyst

Skilled at managing the documentation of business and system needs of partners and mapping them with functionalities offered by the platform. Working with clients, her goal is to make the system maximally tailored to the organization, optimizing their business processes and facilitating their everyday tasks. After hours, she is driven by travel, sports, and meetings with friends.

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Max Wełna

Architect

As a ServiceNow architect, he designs solutions to help clients achieve measurable business goals on a daily basis. His role in a project starts at a very early stage and ends with supporting the implemented solution. Max values his role at the company for giving him the opportunity to move in both business and technical areas. He spends his free time with his family and absorbing books and TV series.

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Daria Ciurko

Test Development Engineer

Automating tests with Tricentis Tosca and implementing this tool for clients, Daria works as a Test Development Engineer at Sii. Believing that people are the greatest value in each project, she became a mentor and supports Sii workers as part of the internal "Tosca School". After work, she co-organizes meetings of the ŁuczniczQA test meetup and plans holiday hiking routes in her spare time.

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Automating financial analysis with AI

Quality Control Center for ABB – gaining control over IT system quality

Berlingske Media enters the digital-first era – platform modernization with Sii Poland

E-commerce modernization to support growth and smooth shopping experience

AI-Native Delivery Framework: how Sii responds to market forecasts

Atlassian Team ’26 takeaways: from tools to AI-human orchestration

Driving toward Vision Zero: Automotive software innovations

Discover a new benefit at Sii – EAP24, 24/7 psychological and expert support for Power People

Mobile WMS for Process Manufacturing. Powered by Business Central.

DevSecOps done right: embedding security without sacrifices

Take control over your cloud costs with FinOps

Penetration tests of IoT devices

Enterprise Platforms

Expanding beyond Europe

Tricentis Solutions Partner inu2028Test Automation & Performance Testing

Silver Level in SAP PartnerEdge

Trusted Salesforce Partner

Cloud Specialized Atlassianu2028Platinum Solution Partner

Snowflake partnership upgrade –u2028SELECT PARTNER

Better logistics efficiency with cloud-based analytics for a biotech innovator

Long-term SAP S/4HANA maintenance: efficiency and downtime risk minimization

Increased sales efficiency in Poland's largest laboratory with Salesforce

Unified cloud solution with MS Dynamics 365 for Sales and Field Service

Kamila Nowak

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Tricentis Solutions Partner inu2028
Test Automation & Performance Testing

Cloud Specialized Atlassian
u2028Platinum Solution Partner

Snowflake partnership upgrade –u2028
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