Peter Stephen Rigby

Marketing VF Ltd. engages in the provision of technological platforms used for digital marketing. The company was founded by Jules Hopkinson, Tom Morgan, Titus Sharpe, Simon Venturi, and David Walton on July 3, 2009 and is headquartered in London, the United Kingdom.

Mark Allen Group Ltd. engages in the provision of publishing and events business services. It offers research and marketing, website development, print and digital design services, and content marketing services. The company was founded by Mark Charles Allen in 1985 and is headquartered in London, the United Kingdom.

Mark Allen Holdings Ltd. is a British family-owned media company that specializes in providing professional content and services for audiences. The private company is based in London, UK, and has subsidiaries in the United Kingdom. The company's focus is on solving problems for its clients, fueling passions, and inspiring new conversations through print, digital, and events. The company was founded in 1985 by Mark Charles Allen, and the CEO is Benjamin Mark Allen.

Lock Topco Ltd. is a holding British company that provides business development services through its subsidiaries. The private company is based in London, UK and has subsidiaries in United Kingdom. The company was founded in 2014.

Part of MA Healthcare Ltd., MA Agriculture Ltd. is a trusted, family-owned media company based in London, UK. The British company offers market-leading brands that provide news, information, and research in various industries such as healthcare, education, music, aviation, telecommunications, and HR. The private company prides itself on solving problems for its clients, fueling passions, and inspiring new conversations. The company has built communities around their brands, which allows them to offer in-depth commercial insights and data analysis across one of the largest portfolios in the media landscape. The company is committed to meeting the needs of their diverse range of clients and welcomes feedback to improve their services. Founded in 1978, the company specializes in professional content and services for audiences across print, digital, and events.

Informa Switzerland Ltd. provides academic and scientific, professional, and commercial business information services. The firm operates through the following segments: Academic Information, Professional and Commercial Information, and Events and Training. The Academic Information segment provides a portfolio of online and print publications, primarily for academic users across the spectrum of science, technology, humanities and social sciences. The Professional and Commercial Information segment provides information, across a range of formats and on a global basis, to a variety of sectors including medical, pharmaceutical, financial, law, commerce, commodities, maritime and telecoms. The Events and Training business consists of trade shows and exhibitions, large and small conferences and training courses. The company was founded in 1998 and is headquartered in Zug, Switzerland.

Informa UK Ltd. provides printing and publishing services. It publishes t, upper-level academic books and journals. The company was founded on September 21, 1972 and is headquartered in London, the United Kingdom.