The four main record labels in the UK are...
-Sony Music
-EMI
-Universal Music Group
-Warner Music Group


Sony Music represents..
Foo Fighters
Kings Of Leon
Glee
Ke$ha
The Script
Subsidiary labels..
Columbia
Roc Nation

EMI represents..
Elvis Costello
Coldplay
Dizzee Rascal
Katy Perry
Subsidiary lables..
Capitol
Blue Note records
Virgin records

Universal Music Group represents..
Amy Winehouse
Craig David
Eminem
Fall out boy
Far east movement
Subsidiary labels..
Roc-a-fella
Def jamWarner Music Group represents..
Angels and Airwaves
B.o.B
Michael Buble
Gym Class Heros
Linkin Park
Subsidiary labels..
Rhino records
Bad boy
Atlantic records