Mainstream is the largest provider of innovative cloud solutions and managed hosting services with a network of 10+ data centers in Southeast Europe.

Over the past 10 years, we have supported the IT development of companies across a wide range of industries, from media and e-commerce to insurance and finance. With domain business expertise and custom cloud solutions, we partner with a wide range of sectors:
Our managed cloud hosting solutions cover the full lifecycle - from design and implementation to ongoing support and infrastructure management. We ensure maximum availability, speed, and flexibility for even the most demanding e-commerce environments.
We support software developers with SaaS hosting, application modernisation, inf-rastructure optimisation and monitoring, both on our own cloud and leading global platforms like AWS and Azure.
In the gaming and betting industry, every millisecond matters. Our cloud solutions are designed to deliver the speed, stability, and scalability required for uninter-rupted gameplay, real-time betting and peak traffic events.
From our dedicated Banking cloud to application support and operational services, we help financial institutions modernise legacy systems, enhance the security and availability of critical services, and innovate without disruption.
Deep expertise across private, public, and hybrid cloud environments
Industry-focused solutions, backed by domain experts in 15+ sectors
Ready to support your cloud and AI transformation journey
Whether you are developing AI-powered applications or aiming to leverage AI to enhance existing business processes, having the right infrastructure is crucial. At Mainstream, we focus on providing companies with readily available, capable, and sovereign cloud environ-ments specifically designed to handle AI workloads.
Beyond ensuring data sovereignty, our AI-ready infrastructure supports the training of large AI and ML models, delivering the precision and reliability these projects demand.
If you’d like to discuss a specific AI use case for your business, get in touch with our expert, Nikola Mitic, Chief Innovation Officer
Contact Nikola