Leading cloud provider in SE Europe

We are Mainstream and cloud is our specialty.

About us Case studies

Cloud is our core expertise

Since 2005, we have been helping companies modernize their infrastructure and applications with our expertise, and use cloud technologies not only to solve specific IT challenges, but also to strengthen their business.

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Why Mainstream for your cloud transformation?

Multi-cloud expertise

Mainstream engineers have many years of collective experience in migration, implementation and infrastructure management on leading public cloud platforms: Amazon Web Services, Microsoft Azure and Google Cloud.

Regional network of data centers

Our solutions rely on highly secure, enterprise-class data centers in 5 countries that provide the option of choosing a hosting location in the country of operation or regionally, within and outside the European Union.

Tailor-made cloud solutions

From assessing readiness for migration to developing customized cloud solutions, all the way to support for solving challenges such as security and cost management, we put leading cloud platforms at the service of your business.

A team of dedicated experts

Our certified experts take care of your cloud infrastructure, ensure smooth operation of your IT systems and top performance, as well as proactive resolution of all current problems with 24/7 support.

How We May Help You

  • Public cloud
  • App Modernization
  • Mainstream Cloud services
  • Banking services

Public cloud


Make the most of the capabilities of AWS cloud platform with the support of certified AWS experts.

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Transform your business with a well-planned migration process and complete support for cloud infrastructure management.

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Google Cloud

Rely on certified Google Cloud experts for planning, implementation and management of cloud infrastructure.

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App modernization

DevOps operations

Ensure business continuity, security, reliability and stability of your cloud infrastructure.

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DevOps implementation

Accelerate innovation and shorten application and service delivery time with end-to-end support for DevOps implementation.

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Eliminate the complexity of setup, installation and configuration of Kubernetes and additional automation tools.

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Mainstream Cloud services

Mainstream Cloud platform

Improve the performance, availability, security and cost efficiency of your mission-critical applications.

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Managed Cloud

Transfer your systems and applications to the cloud and free yourself from worrying about the infrastructure with expert support.

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Managed hosting

Ensure top availability and performance of your web applications at all times.

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Disaster recovery

Make the leap from traditional to a personalized, flexible Disaster Recovery solution in a cloud.

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Back up as a service

Be sure that your valuable company data and services will always be available.

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Mainstream Cloud Files

Protect business data without the cost of purchasing and managing storage systems.

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Managed File Transfer

Provide automated and secure transfer of a large amount of business data with an advanced MFT solution.

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Banking services

Mainstream Banking Cloud

Migrate and modernize your IT infrastructure and banking applications to a cloud environment adapted to the requirements of the FSI sector.

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Mainstream in numbers

regional date centers
years of experience
cloud and engineering system

Partnerships with leading cloud providers

We provide choice with a multi-cloud ecosystem

In addition to public cloud partnerships, we help clients modernize their IT on the Mainstream Cloud platform, based on geographically separated, highly available infrastructure in 8 data centers:

Our Projects

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Improvement and unification of the hosting system

The b92.net website has existed for more than 20 years, and it is one of the most visited and influential websites in Serbia and the region.

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Managed Hosting as an answer to IT challenges

The improved infrastructure has set for the digital transformation of Ringier Axel Springer through more efficient usage of IT resouces.

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Optimization of a Disaster Recovery solution

As one of the leading banks in Serbia, AIK Banka focuses on building lasting relationships based on safety and trust.

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Optimization of IT infrastructure on the road to digitization

Through the analysis of the existing infrastructure, we have defined recommendations for the optimization of the MK Group IT system.

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Our clients

Partner for your cloud journey

Regardless of whether you are just moving to the cloud or want to improve the performance of your existing cloud infrastructure, we are here to make your business more efficient, productive and flexible.

Our team

Meet the experts behind some of the biggest cloud transformation projects in the region.

Explore our services

As a partner, we take the clients through all the stages of digital transformation in the cloud.

Schedule a consult

Together, we will find the best solution for your challenges, needs and objectives.