Jan Petersen

"Part of AUG. PRIEN Bauunternehmung (GmbH & Co. KG), "AUG. PRIEN" Immobilien, Gesellschaft für Projektentwicklung is a German Hamburg-based company founded in 1997. The CEOs are Michael Groß, Jan Petersen, Frank Holst. The company specializes in project development and sustainable real estate projects, offering services such as building construction, engineering, craft solutions, and refurbishment. The company also provides services in civil engineering, harbor and hydraulic engineering, and carpentry work. The company has a strong focus on digitization and development, with a dedicated department for BIM management and technical office work preparation. The company has completed various projects, including the construction of residential, office, and hotel properties, as well as the development of entire quarters."

Objektgesellschaft Sonninstraße II. Wohnungsbau GmbH & Co. KG is a real estate development and construction company based in Oststeinbek, Germany. The Köhler & von Bargen Unternehmensgruppe has been developing and realizing real estate projects for 25 years, adhering to hanseatic principles. The German company's portfolio includes various references, and they prioritize data protection and privacy. The private company was founded in 2012, and its CEOs are Jan Petersen and Frank Holst.