Sorrell says 'faster, better, cheaper' S4 is resonating with clients

S4 Capital reported an operating loss during its inaugural preliminary 2018 results today, yet Martin Sorrell's new digital marketing venture showed it has gained a fair amount of traction since its formation in May.The company saw pro-forma revenuewhich refers to consolidated results of MediaMonks, MightyHive and S4Capital as if the group had existed in full for the yearincrease 58 percent from 2017 to 135.9 million or $181.5 million. It reported an operating loss of 8.5 million or $11.3 milli