A Brief History of the Marque
94, Route de Toulanjac, Villefranche-de-Rouergue, 1973-1976, then Carretera de Monteuil, Villefranche 1976-1983
Jacques Boudet, Gilles Portal and Marcel Seurat
The company was originally named Motos Boudet-Portal, BP, formed in 1970, and was renamed to BPS in 1973 when Seurat joined.
From 1975 some of the BPS machines were built by SWM, and re-branded BPS after performance modifications.
Sources: OTTW, Tragatsch, Henshaw.