S4 Capital's Sir Martin Sorrell on the power of its 'faster, better, cheaper' digital-only model

Sir Martin Sorrell, executive chairman of S4 Capital PLC (LON:SFOR) sat down with Proactive London's Andrew Scott.

He says the firm's performance so far this year confirms the power and relevance of its faster, better, cheaper, digital-only advertising model.

As part of a wide-ranging discussion, Sir Martin talks through the recent merger of MediaMonks and Firewood Marketing Inc, the focus on building 'significant scale organically' .... as well as offering up his views on Brexit.