The story
Founded by Raymond Leblanc in 1956.1
In the late 1970s, Belvision ceased production of feature animated films order to focus on producing commercials and pilots for its television series.
In 1986, Belgian publishing house Dupuis (former rival of Lablanc's French publishing house Le Lombard) acquired Belvision and restructured the company as Dupuis' new animation production studio.
In June 2004, French media publishing and entertainment company Média-Participations announced their purchase of Éditions Dupuis. Média-Participations also owns French publishing house Dargaud and Dupuis's former rival publisher Le Lombard.
From Wikipedia’s article on Belvision Studios, shared under CC BY-SA 4.0.4