Shapeshifters are a house music production duo based in London, England. They have a recording contract with Defected Records, and were previously signed to Positiva. Max Reich is originally from Gothenburg, Sweden, while Simon Marlin is British. They are known in the United States as Shape:UK, in part due to a conflict with the Los Angeles based hip-hop act Shape Shifters. However, the UK duo still uses "The Shapeshifters" name when they are releasing material in other countries outside the US.