A portfolio of copyrights including hits such as She Loves You, I Saw Her Standing There and From Me To You has been snapped up by small music publisher Round Hill Music despite interest from larger global groups.

Round Hill Music is a year-old US start up and bought the catalogue with Adage Classics, an intellectual property rights group. It declined to disclose the terms of the deal.

Music lawyer Michael Sukin said that the songs could be worth up ...