Daffa International Company on Sunday announced the formation of Gulf States Realty Advisors, a joint venture which features the US-based $450 million Grubb and Ellis Company and the Abraham Group, an international strategic consulting firm. According to the Peninsula , the newly-formed company will operate as Grubb and Ellis/Gulf Estates Realty Advisors. The company is to be headquartered in Doha and will commence its operations from Monday.