House 337 has worked with retailer since 2019, when Odd Group won Clothing and Home account.
Robbie Black's Instagram, Twitter & Facebook on IDCrawl
Waitrose snaps up former M&S marketing boss as customer director, News
First Mother M&S Clothing & Home Christmas spot throws away festive traditions
M&S parts ways with House 337
Sienna Miller champions the transformative power of fashion in new M&S campaign
Katherine Ryan returns as stroppy critic in Now Christmas ad
First Mother M&S Clothing & Home Christmas spot throws away festive traditions
Former Maidstone Grammar School for Girls pupil Abbie Smallwood revealed on TV as designer of M&S Outrageously Chocolatey Custard Cream
M&S Clothing appoints Mother as creative agency
M&S parts ways with House 337
House 337 partners Good Business to launch ethical consultancy
Marks & Spencer Enlists Sienna Miller to Reach New Shoppers
Life at M&S