Zayn Malik -- I've Signed With RCA ... Thanks to Simon Cowell! http://t.co/LXEqM93Xqi— TMZ (@TMZ) July 29, 2015
Simon was the one who made Zayn's signing to RCA Records possible.
I believe they are the perfect label for @ZaynMalik’s solo career and I am sure whatever they release together will be special.— Simon Cowell (@SimonCowell) July 29, 2015
SOURCE: TMZ + Simon's twitter