OVH, legally OVH Groupe SA, is a French cloud computing company which offers VPS, dedicated servers, and other web services. As of 2016 OVH owned the world's largest data center in surface area. As of 2019, it was the largest hosting provider in Europe, and the third largest in the world based on physical servers. According to W3Techs, OVH has 3.4% of website data center market share in 2024. The company was founded in 1999 by the Klaba family and is headquartered in Roubaix, France. In 2019 OVH adopted OVHcloud as its public brand name.