IONOS
German publicly traded cloud and hosting provider with managed databases, S3 storage, and 6.3 million customer contracts.
📍 Germany 🇩🇪, Montabaur
Product overview
IONOS is Europe's largest hosting company by customer count, with 6.3 million contracts and revenue of €1.56 billion in fiscal year 2024. Headquartered in Montabaur, Germany, the company listed on the Frankfurt Stock Exchange in February 2023 and is majority-owned by United Internet AG. Database-as-a-Service offerings include managed PostgreSQL, MySQL, MariaDB, MongoDB, in-memory databases (Valkey/Redis-compatible), and Apache Kafka, all configurable through the company's patented Data Center Designer visual interface. Object storage is S3-compliant, and block storage comes in HDD, SSD Standard, and SSD Premium tiers connected over a 100 Gbit/s InfiniBand backbone. Managed NFS-based shared file storage supports multi-VM access. The compute portfolio spans Cloud Cubes (per-minute VPS), dedicated core servers, GPU instances with NVIDIA H200, H100, L40S, and Intel Gaudi accelerators, NVMe-attached instances, bare metal, and VMware-powered private cloud. Managed Kubernetes and a container registry round out the platform. IONOS launched an AI Model Hub in July 2024 as a sovereign multimodal platform. It became the first German cloud provider to hold both BSI C5 Type 2 and IT-Grundschutz certifications. Every customer receives a dedicated personal consultant. KEY FEATURES: - 6.3 million customer contracts; €1.56B revenue (FY 2024); listed on Frankfurt Stock Exchange - Managed databases for PostgreSQL, MySQL, MariaDB, MongoDB, In-Memory DB, and Apache Kafka - Patented Data Center Designer for drag-and-drop visual infrastructure provisioning - First German cloud provider with both BSI C5 Type 2 and IT-Grundschutz certifications; Gaia-X participant - GPU cloud with NVIDIA H200, H100, L40S and Intel Gaudi on per-minute billing