Martin Sorrell

Founder at S4 CAPITAL PLC

Net worth: 31 M $ as of 31/05/2026

81 year

59 connections

Finance

Commercial Services

Consumer Services

Profile

Mr. Martin S. Sorrell is an Executive Chairman at S4 Capital Plc. He is on the Board of Directors at Cherwell Films LLP, Clyde Films LLP, J.M.S. Financial Services Ltd., JMS Financial Services (No. 2) Ltd., Pruway Investments Ltd., The Bloomberg Family Foundation, Inc., Alpha Topco Ltd., Formula One Holdings Ltd., The Carnegie Hall Corp. and Thrombosis Research Institute. Mr. Sorrell was previously employed as an Independent Director by Alcoa, Inc., a Non-Executive Director by ASATSU-DK, Inc, a Group Chief Executive Officer & Executive Director by WPP Plc, a Non-Executive Director by Alpha Topco Ltd., a Non-Executive Director by Colefax Group Plc, an Independent Director by Howmet Aerospace, Inc., a Director-Finance Group by Saatchi & Saatchi PLC, a Trustee by The Carnegie Hall Society, Inc., a Trustee by The Conference Board, Inc., a Chairman by The International Business Council, a Chairman-International Business Council by The World Economic Forum USA, Inc., a Non-Executive Director by Delta Topco Ltd., and a Chief Executive Officer by WPP Group USA, Inc. He also served on the board at Nasdaq, Inc. He received his MBA from Harvard Business School.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
S4 CAPITAL PLC 8.09%	31/12/2024	54,229,594 ( 8.09% )	31 M $	31/05/2026

Latest news about Martin Sorrell

01-26	S4 Capital reports 2025 trading above market estimates	RE
25/08/25	S4's Sorrell On China's Consumer Demand Outlook	MT
15/08/25	Marketing agency MSQ rules out potential merger with Sorrell's S4 Capital	RE
14/08/25	Marketing agency MSQ rules out potential merger with Sorrell's S4 Capital	RE
14/08/25	MSQ rules out potential merger with Sorrell's S4 Capital, WSJ reports	RE

Martin Sorrell active positions

Companies	Position	Start
S4 CAPITAL PLC	Founder	28/09/2018
S4S Ventures S4S Ventures Investment ManagersFinance S4S Ventures invests in companies located in the United States, Europe and the Middle-East. The firm targets companies operating in the field of Martech, Adtech, Data Technology, Creative Technology and Emerging Digital Media sectors. It provides financing for early stage capital requirements.	Founder	01/01/2022
Stanhope Capital LLP /Private Equity/ Stanhope Capital LLP /Private Equity/ Investment ManagersFinance Stanhope Capital invests in small to medium sized enterprises across Europe and the United Kingdom. The firm focuses on sectors such as consumer, food, education and disruptive services. It provide capital for development and buyout transactions.	Consultant / Advisor	-
S4 Capital Acquisitions 1 Ltd. S4 Capital Acquisitions 1 Ltd. Financial ConglomeratesFinance Functions as an investment holding company	Director/Board Member	05/06/2019
S4 Capital Acquisitions 2 Ltd. S4 Capital Acquisitions 2 Ltd. Financial ConglomeratesFinance Functions as an investment holding company	Director/Board Member	05/06/2019
S4 Capital 2 Ltd. S4 Capital 2 Ltd. Financial ConglomeratesFinance Functions as an investment holding company	Director/Board Member	05/06/2019
The Carnegie Hall Corp. The Carnegie Hall Corp. Media ConglomeratesConsumer Services Promotion and management of a venue for musical performances	Director/Board Member	-
Thrombosis Research Institute Thrombosis Research Institute Miscellaneous Commercial ServicesCommercial Services Provides clinical research and development services	Director/Board Member	-
Pruway Investments Ltd.	Director/Board Member	-
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All active positions of Martin Sorrell

Former positions of Martin Sorrell

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See the detail of Martin Sorrell's experience

Training of Martin Sorrell

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Martin Sorrell's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Private companies	31
Arconic, Inc. Arconic, Inc. AluminumNon-Energy Minerals Manufactures aluminum products, fabricated aluminum and other alloys	Non-Energy Minerals
WPP Group USA, Inc. WPP Group USA, Inc. Advertising/Marketing ServicesCommercial Services Provides communications and media management services	Commercial Services
ADK Holdings, Inc. ADK Holdings, Inc. Advertising/Marketing ServicesCommercial Services Operates as a holding company whose subsidiaries provides advertising services	Commercial Services
Saatchi & Saatchi PLC Saatchi & Saatchi PLC Advertising/Marketing ServicesCommercial Services A holding company, group engaged in advertising and marketing services on a	Commercial Services
Colefax Group Plc Colefax Group Plc Home FurnishingsConsumer Durables Designs and distributes furnishing fabrics and wallpapers	Consumer Durables
Holdtree Ltd. Holdtree Ltd. Movies/EntertainmentConsumer Services Operates as an administrator of the FIA Formula One Grand Prix Championship and annual Grand Prix races	Consumer Services
The Conference Board, Inc. The Conference Board, Inc. Miscellaneous Commercial ServicesCommercial Services Provides management consulting services	Commercial Services
Alpha Topco Ltd. Alpha Topco Ltd. Movies/EntertainmentConsumer Services Holding company with interest in sport racing events	Consumer Services
The Carnegie Hall Society, Inc. The Carnegie Hall Society, Inc. Movies/EntertainmentConsumer Services Promotes musical performances	Consumer Services
Nasdaq, Inc. Nasdaq, Inc. Investment Banks/BrokersFinance Operates as a stock exchange	Finance
The World Economic Forum USA, Inc. The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services Operates an organization for economic reforms	Commercial Services
The International Business Council The International Business Council The International Business Council is a company based in Boston, MA.
Delta Topco Ltd. Delta Topco Ltd. Movies/EntertainmentConsumer Services Operates as a holding company for formula one group of companies	Consumer Services
Thrombosis Research Institute Thrombosis Research Institute Miscellaneous Commercial ServicesCommercial Services Provides clinical research and development services	Commercial Services
Pruway Investments Ltd.
Clyde Films LLP Clyde Films LLP Movies/EntertainmentConsumer Services Engages in development of commercial films	Consumer Services
Cherwell Films LLP Cherwell Films LLP Movies/EntertainmentConsumer Services Provides motion picture production services	Consumer Services
The Bloomberg Family Foundation, Inc. The Bloomberg Family Foundation, Inc. The Bloomberg Family Foundation, Inc. is a company based in New York, NY.
J.M.S. Financial Services Ltd. J.M.S. Financial Services Ltd. Financial ConglomeratesFinance Provides investment services	Finance
WPP Plc WPP Plc Advertising/Marketing ServicesCommercial Services Provides communications services on a national, multinational and global basis	Commercial Services
JMS Financial Services (No. 2) Ltd. JMS Financial Services (No. 2) Ltd. Financial ConglomeratesFinance Provides investment services	Finance
WPP Plc /Private Equity/ WPP Plc /Private Equity/ Investment ManagersFinance WPP (Private Equity) invests in companies located in the United Kingdom and United states. The firm targets companies operating in the fields of advertising, digital media, and marketing services.	Finance
Harvard Business School Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Howmet Aerospace, Inc. Howmet Aerospace, Inc. Aerospace & DefenseElectronic Technology Manufactures jet engine and airframe structural components, aerospace fastening systems and forged wheels	Electronic Technology
Stanhope Capital LLP /Private Equity/ Stanhope Capital LLP /Private Equity/ Investment ManagersFinance Stanhope Capital invests in small to medium sized enterprises across Europe and the United Kingdom. The firm focuses on sectors such as consumer, food, education and disruptive services. It provide capital for development and buyout transactions.	Finance
S4 Capital Plc S4 Capital Plc Advertising/Marketing ServicesCommercial Services Provides digital marketing and content production services	Commercial Services
The Carnegie Hall Corp. The Carnegie Hall Corp. Media ConglomeratesConsumer Services Promotion and management of a venue for musical performances	Consumer Services
S4 Capital Acquisitions 1 Ltd. S4 Capital Acquisitions 1 Ltd. Financial ConglomeratesFinance Functions as an investment holding company	Finance
S4 Capital 2 Ltd. S4 Capital 2 Ltd. Financial ConglomeratesFinance Functions as an investment holding company	Finance
S4 Capital Acquisitions 2 Ltd. S4 Capital Acquisitions 2 Ltd. Financial ConglomeratesFinance Functions as an investment holding company	Finance
S4S Ventures S4S Ventures Investment ManagersFinance S4S Ventures invests in companies located in the United States, Europe and the Middle-East. The firm targets companies operating in the field of Martech, Adtech, Data Technology, Creative Technology and Emerging Digital Media sectors. It provides financing for early stage capital requirements.	Finance