United Development CompanyUnited Development Company (UDCUDC) was established in July 1999 in Qatar. It has investments in major development projects in the region, in energy intensive industries, downstream hydrocarbons as well as real estate and construction. It was listed on the Doha Securities MarketDoha Securities Market on June 2003.

Since its establishment, UDCUDC reviewed its goals and needs and has moved from an initial program of detailed project research into specific investments and joint venture developments in petrochemicals, district cooling and land reclamation.

With subsidiaries operating in various industries, such as Qatar District Cooling CompanyQatar District Cooling Company (Qatar Cool), Qatar Dredging CompanyQatar Dredging Company (QDC), Seef LimitedSeef Limited, Gulf Formaldehyde CompanyGulf Formaldehyde Company as well as United Ready-Mix, UDCUDC is primarily a real estate developer with many developments in the region. It is the sole owner and developer of the 4 million square meters The Pearl QatarThe Pearl Qatar which total cost is expected to be around USD2.5 billion. In April 2003, the Government of Qatar granted UDCUDC the freehold title and right to create and develop this island. The Pearl QatarThe Pearl Qatar will host more than 35,000 residents and its construction began in 2004, with completion anticipated in 2009.

UDCUDC's revenues increased 4,782% and net profits 480% from 2004 to 2005 prompting in 2006 the company to expand abroad through a joint venture with the Spanish Ronautica to create Ronautica Middle East as well as the 60% acquisition of the Turkish Millenya.