Hostersi is an IT infrastructure and cloud services provider that designs, manages, and maintains systems for businesses, from individual servers to comprehensive cloud environments. The company helps organizations build secure, scalable infrastructure and supports them throughout its development and operation, with technical assistance available 24/7.

Its services include global server management, cloud migration, and solutions based on Amazon Web Services, Microsoft Azure, and Google Cloud Platform. Hostersi also provides DevOps services, Kubernetes and containerization, infrastructure design, cloud cost optimization, performance testing, and security audits. Its broader offering includes corporate network security, AI and MLOps infrastructure, AI engineering, and modern business intelligence environments.

Hostersi serves clients across industries including e-commerce, finance, technology, healthcare, manufacturing, media, and the public sector. Its case studies describe work on cloud scalability, infrastructure automation, application security, and hybrid-cloud migration. The company presents itself as an official AWS partner and a Microsoft Solution Partner in areas including Azure Infrastructure, Digital App & Innovation, Data & AI, and Modern Work.