Christian John Karl Tiedemann

A&M Holdings LLC operates as a holding company. The company is headquartered in Greenville, SC.

Scholz & Friends Berlin GmbH provides advertising and marketing services. It offers classic communication, public relations, and technical services. The firm's classic communication service incorporates classic advertising concepts, such as mass communication via television, cinema, radio, newspapers, consumer publications, and outdoor advertising. It has offices in Hamburg and Berlin, and branches in Antwerp, Athens, Belgrade, Budapest, and Kiev. The company was founded in 1981 and is headquartered in Berlin, Germany.

Philips GmbH provides consumer electronic equipment. Its products include domestic appliances, personal care, home entertainment networks and mobile infotainment products. It also provides medical systems like diagnostic imaging systems, customer services and clinical solutions. The company was founded in 1926 and is headquartered in Hamburg, Germany.

Commarco GmbH engages in the provision of communications and marketing services. It specializes in the conception and realization of campaigns for advertising projects for newspapers, magazines, cinema, outdoors, as well as television and radio. The company was founded in 1981 and is headquartered in Hamburg, Germany.

PIA Performance Interactive Alliance GmbH provides digital marketing services. It specializes in digital strategy, marketing automation, and digital performance marketing for content and campaign management. The company was founded on July 25, 2013 and is headquartered in Hamburg, Germany.

PIA Performance Interactive Alliance Holdings GmbH is an agency for communication and digital market management. The private company is based in Hamburg, Germany. The CEO of the German company is Christian John Karl Tiedemann.

UDG User Experience & Technology GmbH provides digital marketing and management consulting services. The private company is based in Hamburg, Germany. The German company was founded in 2019. Christian John Karl Tiedemann has been the CEO of the company since 2019.

MAI Marketing Automation Intelligence GmbH is a digital agency that specializes in end-to-end digitalization for businesses. The company is based in Hamburg, Germany and has subsidiaries in Germany. The German company's team of over 300 professionals develops digital brand and product experiences to create measurable digital growth. The company was founded in 2019, and Christian John Karl Tiedemann has been the CEO of the company since 2019. MAI Marketing Automation Intelligence was acquired by AUCTUS Capital Partners AG on December 10, 2021.