Gilles Betthaeuser

AOS Holding Partners SAS provides real estate services. The company was founded in July 2006 and is headquartered in Levallois-Perret, France.

Colliers International France SAS provides real estate consultancy services. It specializes in real estate strategy consultancy, tenant representation, project management, workspace fit-out and headquarters relocation, organization, workplace and facility management consulting. The company was founded in 1997 and is headquartered in Paris, France.

Part of Colliers International Group, Inc., Colliers International EMEA Holdings Ltd. is a British company that provides real estate investment, development and property lease services. The company is based in London, UK. The company was founded in 2016. The CEO is Christopher Ross McLernon.

Colliers International Valuation & Advisory Services Franc SAS provides advisory services. The private company is based in Levallois-Perret, France.

Savills, Inc. provides real estate broking and advisory services which include financial analysis, strategic planning, and transaction management. The company was founded by Julien J. Studley and in 1954 and is headquartered in New York, NY.