David Grant Errington

TNS Group Holdings Ltd. provides market research and information services. The firm serves various sectors including automotive, financial services, health care, packaged goods, polling and social, consumer panels, media intelligence, and television audience measurement. The company was founded by Cowling Antony Brian on June 13 1988 and is headquartered in London, United Kingdom.

Part of WPP Plc, Readysquare Ltd. operates as a British dormant company. The company is based in London, UK. Founded in 1995.

Part of WPP Plc, WPP Beans Ltd. is an investment holding British company. The company is based in London, UK. WPP Beans was founded in 1999.

Part of WPP Plc, WPP Dutch Holdings Ltd. functions as an investment holding British company. The company is based in London, UK. WPP Dutch Holdings was founded in 1998.

Part of WPP Plc, WPP LN Ltd. functions as an investment holding British company. The company is based in London, UK. It was founded in 2000.

Part of WPP Plc, WPP Magic Ltd. is an investment holding British company. The company is based in London, UK. WPP Magic was founded in 2002.

Part of WPP Plc, WPP Pearls Ltd. functions as an investment holding British company. The company is based in London, UK and was founded in 1999.

Part of WPP Plc, WPP Sparkle Ltd. is an investment holding British company. The company is based in London, UK and was founded in 2002.

Part of WPP Plc, WPP Sparky Ltd. is an investment holding British company. The company is based in London, UK and was founded in 2001.

Kantar Retail UK Ltd. provides management consulting services. It offers sales and marketing consultancy services. The company was founded on May 19, 1989 and is headquartered in Epsom, the United Kingdom.

The Kantar Group Ltd. operates as a business research company, which engages in the provision of consulting services on brand development. It offers advertising, media and public relations, analytics, brand growth, customer experience, policy and society, consulting, research, and sustainability solutions. The company was founded on January 14, 1994 and is headquartered in London, the United Kingdom.

Mazars LLP operates as an accounting firm. It specializes in audit, accountancy, advisory, tax, and legal services. The company is headquartered in London, the United Kingdom.

Part of WPP Plc, Newcrosse Ltd. is an investment holding British company. The company is based in London, UK. Newcrosse was founded in 1995.

Part of WPP Plc, TNS Worldpanel Ltd. provides market research and public opinion polling services. The company is based in London, UK.

Part of WPP Plc, Enduring Organisation Three is a British company that provides investment services. The company is based in London, UK and was founded in 2002.

Part of WPP Plc, Millward Brown No.2337 Ltd. is an investment holding British company. The company is based in London, UK. Founded in 2003.

Sativa Group Plc engages in the production, testing and compliance, commercialization, sales, and marketing of cannabidiol products. It operates through the following segments: Products; Testing; and Extraction and Research and Development. The Products segment focuses in the sale of cannabidiol products. The Testing segment involves in testing cannabidiol products. The Extraction and Research and Development segment include extraction and research and development operations which develops future products. The company was founded by Geremy Howard Prance Thomas on December 19, 2017 and is headquartered in London, the United Kingdom.

Part of WPP Plc, WPP Groupm Holdings Ltd. is a British company that provides advertising agency services. The company is based in London, UK and was founded in 2017.

Part of WPP Plc, WPP Finance 2015 Ltd. is a British company that provides investment services. The company is based in London, UK and was founded in 2015.

Part of WPP Plc, WPP Knowledge is an investment holding British company. The company is based in London, UK. WPP Knowledge was founded in 2007.

Part of WPP Plc, WPP Global functions as an investment holding British company. The company is based in London, UK. The company was founded in 2007. The CEO is Mark Julian Read.

Part of WPP Plc, WPP US Investments Ltd. provides investment services. The company is based in London, UK. Founded in 2012.

Part of WPP Plc, WPP Compete is a British non-trading company. The company is based in London, UK. Founded in 2005.

Part of WPP Plc, WPP Headline functions as an investment holding British company. The company is based in London, UK and was founded in 2007.

Part of WPP Plc, WPP Sphinx Ltd. is a British financing services company. The company is based in London, UK. WPP Sphinx was founded in 2013.

Part of WPP Plc, WPP UK Germany Holdings is an investment holding company. The company is based in London, UK. Founded in 2017.

Part of WPP Plc, WPP Jargon Ltd. is a British financing company. The company is based in London, UK. WPP Jargon was founded in 2007.

Part of WPP Plc, WPP Insight Ltd. is a British financing services company. The company is based in London, UK. WPP Insight was founded in 2007.

Part of WPP Plc, WPP Kenneth Square Unlimited is an investment holding British company. The company is based in London, UK. Founded in 2015.

Part of WPP Plc, WPP Sigma Ltd. provides financial services. The company is based in London, UK. Founded in 2011.

Part of WPP Plc, WPP UK Torre is a financing company. The company is based in London, UK. Founded in 2017, WPP UK Torre operates as a financing company.

Part of WPP Plc, WPP Fitzroy Square is an investment holding British company. The company is based in London, UK. WPP Fitzroy Square was founded in 2017.

Phytome Life Sciences Ltd. operates as a biopharmaceutical research company. It is engaged in the research & development of plant-based medicinal products and the pharmaceutical development of novel phytochemicals. The firm develops technologies in pharmaceutical agriculture, process chemistry and screening technologies to access plant-based compounds & novel molecules, with an initial focus on medical cannabis. The company was founded on June 4, 2018 and is headquartered in London, the United Kingdom.

Part of WPP Plc, WPP Russell UK Two Ltd. is an advertising agency operator. The company is based in London, UK. Founded in 2017.

Part of WPP Plc, WPP Dolphin UK Ltd. is an investment holding company. The company is based in London, UK. Founded in 2017.

Part of WPP Plc, WPP Samson Two Ltd. is an investment holding British company. The company is based in London, UK and was founded in 2004.

Part of WPP Plc, Young & Rubicam Brands US Holdings is a holding British company that provides advertising services through its subsidiaries. The company is based in London, UK and was founded in 2004.

Part of WPP Plc, WPP CP Finance Plc provides investment services. The company is based in London, UK. Founded in 2006.

Phytome Life Sciences Plc is a biopharmaceutical research company, which engages in research and development of plant-based medicinal products and the pharmaceutical development of novel phytochemicals. The company was founded on June 04, 2018 and is headquartered in Truro, the United Kingdom.

Shortwave Life Sciences Plc is an incubation and pre-seed investment company, which engages in psychedelic science and healthcare industry. It offers services through its Psych and Awakn brands. The company was founded by William Christopher Potts and Stephen Murphy on April 22, 2021 and is headquartered in London, the United Kingdom.

Henley Centre HeadlightVision Ltd. provides consultancy services. The company is headquartered in London, the United Kingdom.