REPORT: Private equity sniffing around S4 Capital

By AdNews | 11 August 2025
 

Private equity players are reportedly taking an interest in Martin Sorrell’s pure play digital advertising Group S4 Capital.

Sky News in the UK reported US-based One Equity Partners, the owner of creative agency group MSQ, is among parties sounding out Sir Martin.

Sorrell, the former CEO and founder of WP, last year received several merger offers from advertising group Stagwell, according to the Wall Street Journal.

S4 Capital in May reported revenue down 11.4% to £163.7 million on a like-for-like basis in the March quarter, reflecting technology client caution and headwinds from one key client.

The advertising group said the tariff war had created short-term uncertainty, but opportunity for long-term technology adoption, particularly AI, to implement greater efficiency in a slower growth world 

In June the company told its AGM that full year like-for-like net revenue is expected to be down by low single digits overall.

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