Published by Global Banking & Finance Review®
Posted on August 14, 2025
1 min readLast updated: January 22, 2026
Add as preferred source on GoogleMSQ Partners has ruled out a merger with S4 Capital. Talks were held by One Equity Partners, but MSQ's board was not involved.
(Reuters) - London-based marketing agency MSQ Partners on Thursday ruled out a potential merger with Martin Sorrell's advertising group S4 Capital.
MSQ said in a statement that such discussions may have taken place between representatives of its majority shareholder One Equity Partners (OEP) and S4 Capital, but its board was not involved.
Neither OEP nor MSQ intends to pursue further discussions regarding the transaction, MSQ added.
S4 Capital declined to comment.
The company, which operates in 33 countries, had confirmed that it was in early talks to potentially combine with MSQ.
S4 Capital was founded in 2018 by Martin Sorrell, who previously built WPP into the world's largest ad agency. He left WPP after denying a misconduct allegation.
MSQ Partners has more than 250 clients, including Unilever, Haleon, P&G and Lego.
(Reporting by Shanima A, Nithyashree R B and Prerna Bedi in Bengaluru; Editing by Vijay Kishore)
MSQ Partners ruled out a potential merger with S4 Capital, stating that discussions may have occurred between its majority shareholder and S4 Capital, but the board was not involved.
S4 Capital was founded in 2018 by Martin Sorrell, who previously built WPP into the world's largest advertising agency.
MSQ Partners has more than 250 clients, including major brands like Unilever, Haleon, P&G, and Lego.
S4 Capital declined to comment on the potential merger discussions with MSQ Partners.
One Equity Partners is the majority shareholder of MSQ Partners, and it was involved in discussions with S4 Capital regarding a potential merger.
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