Sii x Atlassian

Atlassian Cloud

Sii executes Atlassian Cloud Migrations with close to zero downtime, full functionality, and support of certified experts.

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SHORTER DEVELOPMENT CYCLES AND IMPROVED CROSS-TEAM COLLABORATION

With Sii’s Atlassian Cloud Migration service you will speed up work, reduce IT costs, and scale easily.

ACHIEVE MORE WITH SII x ATLASSIAN CLOUD

Cloud migration delivery

Sii provides end-to-end management of your migration process from on-premise infrastructure to Cloud while minimizing environment downtime during migration. Our experts guarantee zero data loss and maintaining full productivity and further growth after migration.

What you get with Sii:

Assessing and planning – a detailed assessment of your current Atlassian solutions and the implementation of dedicated solutions.
Preparing and testing – migration simulations with acceptance tests ensuring readiness of all product components.
Migrating production – execution with minimal operational impact, for enabling quick user adoption.
Post-fixes and hypercare – immediate issue resolution and proactive monitoring, ensuring solution stability and high performance after go-live.

Process optimization and automation

With Sii’s expertise, your business will benefit from optimization and automation of your Atlassian environment during migration. Our team will help you gain reduced manual effort, lower migration costs, and enhanced operational efficiency.

What our specialists will do:

Identify opportunities – perform thorough audit to pinpoint tasks ideal for automation.
Proven tools – the migration process will be carried out with proven Atlassian tools such as Jira Cloud Migration Assistant and Confluence Cloud Migration Assistant, ensuring security and smooth execution of the entire operation.
Continuous improvement – refine migration strategies and timelines to ensure an efficient, error-free cloud adoption.

Digitalization and strategic consulting

Migration to Atlassian Cloud with Sii is not just an upgrade. Our strategic consulting aligns Atlassian cloud products precisely to your business needs. Thanks to our experts, your business will get increased scalability, improved performance, and measurable business results from your migration to cloud investment.

Our team will provide:

Customized cloud environment – tailored setup of Jira Service Management, Confluence Cloud, and other Atlassian products.
In-depth training and support – full support, including stakeholder training and detailed migration documentation.
Ongoing optimization – continuous alignment of your cloud instance to evolving business goals.

WHY PARTNER WITH SII FOR ATLASSIAN CLOUD MIGRATION

Atlassian Platinum Solution Partner

Sii is an Atlassian Platinum Solution Partner – a status that demonstrates the highest level of expertise in Atlassian products. Our team of certified specialists (ACP-100, ACP-600, ACP-420, and more) ensures your migration is in line with your business objectives and fully compliant with best practices.

Proven global track record

We’ve delivered multi-instance Atlassian Cloud migrations for Fortune 500 companies across 40+ global markets and in regulated sectors like finance, biotech, and public services. Our engagements with PUMA or Reykjavik City Hall reflect our ability to drive business continuity, boost availability, and automate backups.

End-to-end support

From initial assessment through implementation and handover, Sii handles all aspects – licensing, integration, performance tuning, automation, and user training. Clients like QIAGEN benefitted from our automated backup processes and unified environments, all managed to strict security standards.

ATLASSIAN CLOUD MIGRATION case studies

Atlassian migration to Cloud with highest security standards

Sii assisted QIAGEN in migrating Atlassian products from Server to Cloud. We conducted a comprehensive process, including pre-migration analysis, migration, audit, and user training. Our actions included integrating Bitbucket Server with Jira Cloud, unifying accounts, automating backups, and meeting QIAGEN security requirements. Thanks to timely migration and professional service, we built client trust, leading to additional assignments.

Efficient and secure migration of Atlassian to the cloud with business continuity

Discover how we increased the efficiency and availability of PUMA's systems with flexible and scalable solutions. Sii specialists moved the Atlassian platform to the cloud, providing one of the largest manufacturers of athletic footwear and apparel with a modern, secure, and easily accessible operating environment, operational efficiency, and service reliability without interrupting business continuity.

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

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

Successful Jira Cloud migration and global process standardization

Sii supported one of the world’s largest automotive safety system manufacturers in migrating Jira Server to Cloud. Through integration with Active Directory, implementation of SSO and SAML, and process standardization across key branches, the tool became a global, unified work management system. We conducted a system and apps audit, managed the migration, delivered user trainings and workshops, and supported the client in change management. As a result, teams gained higher efficiency, improved planning and reporting, and launched a continuous improvement process supporting the organization’s further growth.

Automotive

Successful Jira Cloud migration and global process standardization

Atlassian migration to Cloud with highest security standards

Efficient and secure migration of Atlassian to the cloud with business continuity

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

Successful Jira Cloud migration and global process standardization

See all case studies

MEET OUR ATLASSIAN TEAM

Wojciech Miecznikowski

Architect

A proficient Atlassian tools expert, serving as a consultant, implementer, auditor, trainer, and architect. He assists clients daily in implementing and customizing Atlassian tools to best meet their requirements. He's shaped environments for various organizations, ranging from small enterprises to medium-sized software houses and large corporations.

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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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Michał Markiewicz

System Administrator

As the administrator of Atlassian Jira and Confluence systems, he maintains the Jira applications on a daily basis. He is responsible for migrating Jira cloud-to-cloud, server-to-cloud, and developing automation. Additionally, he creates client-tailored documentation and solutions while working in Kanban and Scrum methodologies.

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Paweł Denicki

Software Engineer

A Software Engineer with strong experience in Java and Groovy, specializing in creating and customizing solutions within the Atlassian ecosystem. Skilled in integrating and enhancing tools like Jira, Confluence, and Bitbucket to improve team workflows and productivity. Experienced in developing Jira plugins using Atlassian Forge and has a foundational knowledge of JavaScript and React for front-end development.

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Piotr Baumert

Architect

Administrator, developer, consultant, and product owner with expert knowledge of the Atlassian ecosystem. With extensive experience, he effectively supports clients in both Data Center and Cloud environments. On a daily basis, he bridges business requirements with the best solutions based on Atlassian products.

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Get to know more experts

STEP-BY-STEP MIGRATION TO CLOUD

Migrating to Atlassian Cloud is a complex, multi-phase project. With Sii, every step is planned, tested, and executed to minimize risk and maximize the business value.

WHAT YOU NEED TO KNOW

Read out FAQ

What is the Atlassian Cloud migration process?

Our structured migration journey includes assessment and planning, preparation and testing, executing the migration, and post-migration support. This ensures a successful migration with minimal disruption.

Why migrate to Atlassian Cloud?

Migrating to Atlassian Cloud offers automatic updates, scalability, advanced security, reduced infrastructure costs, and improved remote collaboration.

How long does a typical cloud migration take?

The migration timeline depends on your current setup and complexity. After the initial assessment, Sii provides a clear migration timeline tailored to your environment.

Can we migrate Atlassian plugins and app data?

Yes, our migration plan includes a detailed strategy for moving app data and plugins, ensuring functionality continuity in your new cloud site.

What support does Sii provide post-migration?

After migration is complete, we provide comprehensive support, including training, documentation, and ongoing optimization to ensure your Atlassian Cloud instance continuously delivers maximum value.

ATLASSIAN cloud migration NEWS & PROJECTS

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

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

Atlassian Cloud for Banks – a Secure Migration from Data Center

Pushing JIRA beyond the office – from order acceptance to production negotiations with factories and service outposts

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

Jira Automation – introduction to Automation in Atlassian

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

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

Atlassian Cloud for Banks – a Secure Migration from Data Center

Pushing JIRA beyond the office – from order acceptance to production negotiations with factories and service outposts

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

Jira Automation – introduction to Automation in Atlassian

How to prepare a bank for migration to Atlassian Cloud?

Check how to do it securely and in compliance with regulations.

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OUR COMPLEMENTARY SERVICES

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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

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

New episodes of the Sii Talks podcast: from AI strategy to real implementation challenges in organizations

OVHcloud and Sii Poland to deliver secure and sovereign Cloud Solutions for enterprises

Cyber Resilience Act Demystified: Risks, Regulations, and the DevSecOps Approach

The AI-Powered Ecosystem: Scaling Marketing Analytics

Mobile WMS for Process Manufacturing. Powered by Business Central.

Multi‑Agent AI for Embedded Software Development

Take control over your cloud costs with FinOps

Building an RTK Rover: Web-controlled precision navigation

HashiCorp Vault as a central hub for key and certificate rotation

Blazing fast websites and how Adobe Experience Manager can help achieve that

What does the code from Sii Testing Lab look like? Repositories deep-dive

Atlassian Cloud

With Sii’s Atlassian Cloud Migration service you will speed up work, reduce IT costs, and scale easily.

Cloud migration delivery

Process optimization and automation

Digitalization and strategic consulting

Atlassian Platinum Solution Partner

Proven global track record

End-to-end support

Atlassian migration to Cloud with highest security standards

Efficient and secure migration of Atlassian to the cloud with business continuity

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

Successful Jira Cloud migration and global process standardization

01 Assessment & planning

02 Preparing

03 Testing

04 Migrating

05 Launching & supporting

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

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

Atlassian Cloud for Banks – a Secure Migration from Data Center

Pushing JIRA beyond the office – from order acceptance to production negotiations with factories and service outposts

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

Jira Automation – introduction to Automation in Atlassian

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

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

Atlassian Cloud for Banks – a Secure Migration from Data Center

Pushing JIRA beyond the office – from order acceptance to production negotiations with factories and service outposts

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

Jira Automation – introduction to Automation in Atlassian

How to prepare a bank for migration to Atlassian Cloud?

Thank you!

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Wkat's new in Atlassian Cloud?

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Maciej Szostek

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What we do

Industries

Who we are

Career

Trainings

News

Contact

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

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.