Anne Keilholz

BBT Treuhandstelle des Verbandes Berliner is a German company that has been a competent partner for over 30 years for various types of real estate companies, credit institutions, and municipalities. The company is based in Berlin, Germany, and has subsidiaries in Germany. It offers five areas of expertise with the goal of ensuring the success of its clients. The private company was founded in 1990, and the CEO is Kay Schulte.

GAG Projektentwicklung GmbH provides customer service for all housing-related needs. The company is based in Cologne, Germany and ultimately controlled by the City of Cologne. The German company's website offers information, forms, emergency numbers, and valuable tips for tenants and property owners. With around 42,000 apartments and almost three million square meters of living and usable space, GAG Immobilien AG is the largest housing provider in Cologne, Germany, offering homes to approximately 100,000 people. The company has received numerous awards for its exemplary services. The CEOs of the company are Uwe Eichner, Kathrin Moller.

"Stadt und Land" Wohnbauten-GmbH is a large urban housing association in Germany that manages over 51,000 apartments in its own stock and around 10,000 other apartments on behalf of third parties. The private company offers rental apartments in six districts of Berlin and in Brandenburg. The company is based in Berlin, Germany, and has subsidiaries in Germany. The German company also rents commercial space and offer social counseling for tenants. The company invests in the renovation and modernization of its stocks and supports numerous social projects and initiatives to strengthen the neighborhood. The company was founded in 1924, and the CEOs are Anne Keilholz and Ingo Malter.