Mosaic Fashions brands Oasis and Coast are selling on Asos.com.
Coast launched on the young fashion site yesterday while Oasis will launch on October 29.
Asos has invested in 36 styles from the Coast range and will take 38 styles from the Oasis collections. The pieces include day wear, party wear, casual wear and work wear. ASOS will also stock the Oasis Little Black Dress collection.
Oasis and Coast have both launched their own transactional web sites in recent months.