Tattersfield began his career in music at London Records in 1990, establishing new labels Systematic and Internal.
In 1997, he moved to BMG where he founded the NorthWestSide imprint, whose signings included Jay-Z, Another Level and NSYNC.
[1] Tattersfield founded 14th Floor Records in 2002 as a joint venture with Warner Music UK, where he signed Biffy Clyro, the Wombats, Damien Rice and Ray LaMontagne.
Tattersfield founded Good Soldier Songs, a recording and music publishing company, based in Tileyard Studios.
Tattersfield was appointed CEO in August 2009,[1] assuming responsibility for the company's UK portfolio, with labels including Atlantic Records, Asylum, Nonesuch, Reprise, Roadrunner, Rhino, sixsevenine, Warner Music Entertainment and Warner Bros. Records.