[9] OVH was founded in November 1999[1] by Octave Klaba, with the help of three family members (Henry, Haline, and Miroslaw).

In August 2023, it was announced OVHcloud was in exclusive negotiations for the acquisition of the Cologne-headquartered edge computing software company, gridscale GmbH.

[17] As of 2019[update], OVH is considered one of the largest cloud computing providers in the world, with over a million customers and one of the largest OpenStack deployments in the world,[18] and a network capacity totaling over 20 Tbit/s As of 2017, OVH was known for its offering of email hosting service,[19] considered one of the largest in the world,[20] in addition to its general Internet hosting services.

OVH uses in-house design and manufacturing, including custom-made servers (based on standard components) and a modular shipping container architecture.

In 2019, the Canadian data center (Beauharnois, Quebec) was considered a leading example of the OVH model.

[26] SBG2 was declared a total loss, with early reports indicating damage to SBG1, and services across all four Strasbourg locations experiencing disruptions.

[30][28] In September 2021, the company filed a report[31] with the Autorité des marchés financiers documenting the estimated damage at about €105 million.