Corporate Ownership
Who owns IONOS?
Based on verified corporate hierarchy telemetry for 2026, IONOS operates as a subsidiary of United Internet.
Parent Company & Controlling Organization
Corporate entities holding a majority stake, operating ownership, or direct subsidiary control.
UN
United Internet
Parent Company
German internet group spanning telecom, cloud, email and advertising.
Unlock the IONOS Ecosystem.
Explore all relationships in Polaris7. See exactly how IONOS connects to the rest of the market, including corporate ownership, technology integrations, and competitive peers.