Jacob Hendrik Jacobus Bouman

Keesing Group BV provides publishing services. It offers puzzle magazines in the Netherlands, France, Belgium, Denmark, Germany, Spain, Italy, Sweden, Norway, Hungary, and the United Kingdom. The firm's brands include Denksport, Sport Cérébral, Tankesport, Megastar, Jan Meulendijks, 10 voor Taal, and Win. The company was founded by Isaäc Keesing in 1911 and is headquartered in Amsterdam, the Netherlands.

PCM Uitgevers BV provides publishing services. It publishes daily newspapers, educational publications including dictionaries, general fiction, fantasy, Dutch language software for children & adults, travel guides and trade books. The firm operates business through its subsidiaries. The company was founded in December 1995 and is headquartered in Amsterdam, the Netherlands.

Sky Radio BV operates an online radio station. The company is headquartered in Hilversum, Netherlands.

FD Mediagroep BV provides news and media services. It offers information in the financial-economic sector through print, radio, online materials and events. The firm also provides media and marketing solutions. The company was founded in 1997 and is headquartered in Amsterdam, the Netherlands.

Seven Publishing Group Ltd. provides content marketing services. Its services include multi-channel content strategy, social and mobile apps, video content for digital and mobile, and email marketing campaigns. The company was founded by Seamus Geoghegan and Michael Potter on June 24, 2003 and is headquartered in London, the United Kingdom.

Keesing France SA publishes puzzle magazines. The company is headquartered in Levallois-Perret, France.

Eye to Eye Media Ltd. offers publication services and digital solutions. It designs websites and applications for health and nutrition magazine. The company was founded by Adrienne Moyce and Seamus Geoghegan in 2009 and is headquartered in London, the United Kingdom.