IONOS Web Hosting

IONOS is a German internet service provider specializing in web hosting, domain registration, and cloud computing services. Founded in 1988 as 1&1 Internet AG, the company rebranded to IONOS in 2018 to reflect its expanded focus on digitalization and cloud solutions. Headquartered in Montabaur, Germany, IONOS operates over 31 data centers worldwide, managing approximately 22 million domains and serving over 6.2 million customers globally. The company offers a comprehensive range of services, including shared hosting, dedicated servers, cloud solutions, and domain registration, catering to small and medium-sized businesses, as well as individual users and large enterprises. IONOS is a subsidiary of United Internet AG, a German internet services company that owns and operates various online businesses. The company is headquartered in Germany and has a global presence, with facilities in multiple countries, including the United States, where it relocated its U.S. headquarters to Philadelphia in 2025. IONOS is committed to sustainability, utilizing 100% renewable energy in its data centers and administrative buildings in the UK and Germany, and offsetting carbon emissions in other locations worldwide. The company also sponsors various sports teams, including Borussia Dortmund and the Haas F1 Team, reflecting its active engagement in the sports community.