ESA is responsible for the Vega-C launch system qualification and also purchases launch services for European institutional missions. The Vega-C development programme was carried out with participation of thirteen ESA Member States, Austria, Belgium, the Czech Republic, France, Germany, Ireland, Italy, The Netherlands, Norway, Romania, Spain, Sweden, Switzerland. The Agency is the contracting authority for the development of Vega-C, supports both the development and exploitation, while also providing technical supervision based on its 30 years of experience.

Avio is the prime contractor and design authority of the Vega-C launchers. Arianespace is the launch service provider for the next launch of Vega C planned before the end of the year.