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Speed up time-to-market by increasing the stability, scalability, and cost-effectiveness
of your technologies with cloud platforms and applications we offer.

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Karolina
Test and Analysis Engineer

Enhance the efficiency of your technologies with our cloud infrastructure services. As partners of MS Azure, AWS, and Google Cloud, we design scalable environments to enhance performance, security, and cost efficiency. We support platforms like ServiceNow, Salesforce, Microsoft 365, SAP, Adobe, and Atlassian with implementation, customization, and 24/7 support, ensuring reliable application management and data security in the cloud.

OUR OFFER

Cloud Platforms

Cloud environments ready for scaling, AI, and business change

As a Microsoft Azure, AWS, Google Cloud, and OVHcloud partner, we create cloud environments that support the development of applications, data, and new digital services. We guide companies through migration, architecture modernization, and the further development of cloud platforms – from multi-cloud strategies and sovereign cloud to infrastructure ready for the secure use of AI. This helps you manage resources more effectively, control costs better, and increase the security, flexibility, and resilience of your systems.

Cloud Applications

Greater flexibility and control over your applications

We offer cloud solutions based on leading platforms like ServiceNow, Salesforce, Microsoft 365, SAP, Adobe, and Atlassian. Our services include implementation, customization, and 24/7 support. Through detailed business analysis and process consulting, we ensure that these SaaS applications are integrated into your organization and efficient.

Cloud Security

Threat-resilient assets in the cloud

We secure your cloud environment by implementing security features and managing governance aspects. Our services protect your data, applications, and infrastructure from cyber threats while ensuring compliance with relevant standards. With continuous monitoring and threat detection, we prevent unauthorized access, data mishandling, deletion, ransomware, and theft, ensuring business continuity.

Cloud financial reporting

Cloud FinOps and cost optimization

Our FinOps services provide end-to-end cloud cost management, helping organizations track, analyze, and optimize cloud spending across AWS, Azure, and GCP. We improve financial visibility, cost allocation, budgeting, forecasting, and governance to drive smarter cloud cost optimization and maximize ROI.

CLOUD case studies

Increased JSM scalability and flexibility with a professional migration to the cloud

Discover how Sii improved service availability and reliability, reduced downtime, and ensured business continuity of Jira Service Management for Modivo, a European e-commerce leader by moving from the server to the cloud. Improved system scalability facilitated growth and increased productivity.

Consumer Products

Increased JSM scalability and flexibility with a professional migration to the cloud

Enhanced security of aluminum industry leader's production systems

Discover how we enhanced the security and redundancy of the local IT infrastructure of one of Europe's leading suppliers of window, door, and curtain wall solutions through a system upgrade. Within 3 months, we designed and deployed new hardware and introduced Aruba Central, Aruba Clearpass, Simplivity, and two-factor authentication (2FA), significantly increasing the availability, performance, and stability of the IT environment with less risk of downtime.

Industrial

Enhanced security of aluminum industry leader's production systems

Efficient Azure way of working and data integration for Mercator Medical

See how we help Mercator define its Azure Way of Working. Priorities for the Azure Landing Zone were set, and a step-by-step plan was executed. The project optimized cloud costs with FinOps solutions, ensured virtual machines operated on demand, improved data error logging efficiency, integrated vital business data, and used Terraform for precise Azure environment management, significantly reducing the IT team's workload through automation.

New applications for millions of users – PAYBACK automates marketing with Sii

Discover how we supported the global growth of PAYBACK, serving 80 million users worldwide. Sii Poland designed and implemented two applications based on Google Cloud Platform, automating marketing data exchange and streamlining partner communications. As a result, campaign launch time was reduced from several days to just hours, while real-time monitoring increased service availability and reliability. Initially introduced in Germany, the solution now drives business expansion across multiple markets, providing scalability, automation, and a solid foundation for personalized customer engagement.

Secure cloud e-identity systems

Discover how we supported INCERT, a national cybersecurity and digital identity expert, in building a stable environment for e-identity systems, PKI, and cryptographic services. Facing growing public-sector security demands and the need to ensure 99.9% SLA availability, Sii Poland designed and operationalized a comprehensive platform based on Microsoft Azure in a Managed Services model. The new infrastructure meets strict regulatory requirements, guarantees high availability for mission-critical government systems, and enables rapid deployment of new digital services while reducing IT operating costs.

Reduced costs and streamlined workflows by migrating to the cloud

See how Sii reduced the cost of maintaining local IT resources and improved customer data management security for Poland's largest electricity producer and supplier. Migrating data and infrastructure to the Azure platform provided the flexibility to choose the optimal cloud solutions tailored to the organization's needs.

Utilities

Reduced costs and streamlined workflows by migrating to the cloud

Efficient and comprehensive student administration for Noroff thanks to Salesforce and Marketing Cloud

Check out how Salesforce, implemented by Sii, streamlined communication and service for students and applicants of a Norwegian network of private universities. A local Sales Cloud and Marketing Cloud for the sales, administration, and finance departments of all schools in the group enables omnichannel communication and facilitates work by automating repetitive tasks.

Goverment

Efficient and comprehensive student administration for Noroff thanks to Salesforce and Marketing Cloud

Increased JSM scalability and flexibility with a professional migration to the cloud

Enhanced security of aluminum industry leader's production systems

Efficient Azure way of working and data integration for Mercator Medical

New applications for millions of users – PAYBACK automates marketing with Sii

Secure cloud e-identity systems

Reduced costs and streamlined workflows by migrating to the cloud

Efficient and comprehensive student administration for Noroff thanks to Salesforce and Marketing Cloud

See all case studies

MEET OUR CLOUD TEAM

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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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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Michał Majewski

Architect

Renowned for his experience as an architect in the Atlassian Platform, Michał consults on, designs, implements, and optimizes business processes. He assists clients with migrating to the Atlassian cloud and upgrading on-premises environments.

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Piotr Biniecki

Software Engineer

As a Google Cloud Platform consultant at Sii, Piotr helps clients maximize the potential of their cloud products. He manages Google products for a multinational company across 180 markets, focusing on process improvement and best practices. After work, he likes to spend his time actively outside the home.

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Get to know our experts

CLOUD NEWS & PROJECTS

Sii Poland and Microsoft showcase practical AI applications for Polish universities

Atlassian Data Center end of life – what does it mean for you as a customer?

Microsoft Planner and Project Plan: How Sii experts bring order to project chaos in modern organizations

Data pseudonymization in Google Cloud

Custom Field Manager Pro – simplifying custom field management in Jira Cloud

Price Tracker – a practical dive into serverless applications

Sii Poland and Microsoft showcase practical AI applications for Polish universities

Atlassian Data Center end of life – what does it mean for you as a customer?

Microsoft Planner and Project Plan: How Sii experts bring order to project chaos in modern organizations

Data pseudonymization in Google Cloud

Custom Field Manager Pro – simplifying custom field management in Jira Cloud

Price Tracker – a practical dive into serverless applications

MIGRATING TO THE CLOUD

A comprehensive guide for modern companies

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INDUSTRIES WE WORK WITH

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Offices in Poland

Sii Sweden

Sii Ukraine

Sii India

Automating financial analysis with AI

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

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

E-commerce modernization to support growth and smooth shopping experience

You Build It, You Run It (YBIYRI): The model that hurts – and that's why it works

What is needed for a successfull AI adoption? Lessons from Gartner Data & Analytics Summit 2026 in London

When design meets data: How modern PLM environments are built

Adobe Summit 2026: from Generative AI to AI Agents that get work done

The AI-Powered Ecosystem: Scaling Marketing Analytics

Mobile WMS for Process Manufacturing. Powered by Business Central.

From demo to systems you can trust: how real AI works in business

Multi‑Agent AI for Embedded Software Development

Copilot in Microsoft Intune: How AI is transforming the daily work of endpoint administrators

Why SAP S/4HANA releases still fail – even when everything was "tested"

Building an RTK Rover: Web-controlled precision navigation

HashiCorp Vault as a central hub for key and certificate rotation

Cloud

Cloud environments ready for scaling, AI, and business change

Greater flexibility and control over your applications

Threat-resilient assets in the cloud

Cloud FinOps and cost optimization

Increased JSM scalability and flexibility with a professional migration to the cloud

Enhanced security of aluminum industry leader's production systems

Efficient Azure way of working and data integration for Mercator Medical

New applications for millions of users – PAYBACK automates marketing with Sii

Secure cloud e-identity systems

Reduced costs and streamlined workflows by migrating to the cloud

Efficient and comprehensive student administration for Noroff thanks to Salesforce and Marketing Cloud

Sii Poland and Microsoft showcase practical AI applications for Polish universities

Atlassian Data Center end of life – what does it mean for you as a customer?

Microsoft Planner and Project Plan: How Sii experts bring order to project chaos in modern organizations

Data pseudonymization in Google Cloud

Custom Field Manager Pro – simplifying custom field management in Jira Cloud

Price Tracker – a practical dive into serverless applications

Sii Poland and Microsoft showcase practical AI applications for Polish universities

Atlassian Data Center end of life – what does it mean for you as a customer?

Microsoft Planner and Project Plan: How Sii experts bring order to project chaos in modern organizations

Data pseudonymization in Google Cloud

Custom Field Manager Pro – simplifying custom field management in Jira Cloud

Price Tracker – a practical dive into serverless applications

MIGRATING TO THE CLOUD

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Jarosław Lakutowicz

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What we do

Industries

Who we are

Career

Trainings

News

Contact

Einige Inhalte sind nicht in deutscher Sprache verfügbar.
Sie werden zur englischen Version der ausgewählten Seite weitergeleitet.

Einige Inhalte sind nicht in deutscher Sprache verfügbar.
Sie werden auf die deutsche Homepage weitergeleitet.

Ta treść jest dostępna tylko w jednej wersji językowej.
Nastąpi przekierowanie do strony głównej.