Advertising Media Analysis
Gideon Spanier
Nov 6, 2020

Sir Martin Sorrell interview: 'S4 Capital's real competition is Accenture'

When Sir Martin Sorrell acrimoniously left WPP after three decades in 2018, he responded immediately by launching S4 Capital. Two years later, it is worth £2 billion. Campaign went to visit him to discuss what drives him and why he keeps attacking his old company.

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