Later, in 1925, the business relocated to the west side of the city, to premises at Boulogne-Billancourt in the Rue de Silly.

The cars were designed by Maurice Gadoux, who previously had worked for Hispano-Suiza, and focused on the same "compact luxury" market segment.

At the 19th Paris Motor Show in October 1924 the 1996cc overhead camshaft engine had twin carburetors and the wheelbase was increased to 3,250 mm (128 in).

[5] A larger 2660cc engine was available in 1926, and was exhibited alongside the 1996cc model in October 1926 at the 20th Paris Motor Show.

[8] In 1924 two cars entered the Le Mans 24 Hour race, but both retired and were classified 33rd and 35th.

[14] In 1929, Oméga-Six recorded its only victory of note when Hellé Nice won the all-female Grand Prix Féminin, a short (50 km) handicap race contested by just five cars at the end of the 3rd annual Journée Féminine de l'automobile held on 2 June at Autodrome de Linas-Montlhéry.