Complex sentence: Square Peg Round Hole Records is a Milton Keynes-based record label, which was created up in 2007 by Tony Dennis, Chris Shaw, Shaun Bradshaw, Wayne Palmer and Chris Granby (who will quit shortly after).
Split into simpler sentences: Square Peg Round Hole Records is a Milton Keynes-based record label. The label which was created up in 2007 by Tony Dennis, Chris Shaw, Shaun Bradshaw, Wayne Palmer and Chris Granby (who will quit shortly after).