UEP Subang Jaya (commonly called "USJ" for United Estates Projects Bhd.

By 1988 it would use its current name with the UEP standing for its developer, United Estates Projects, a property business owned by Sime Darby.

The township, acting as an extension to Subang Jaya, would be developed over 10 to 11 phases within 10 years and would have a population of about 120,000.

With 25,000 units of "flats, shops and residential houses" spanning over 726 hectares, it aims at the middle class and emphasises on community building.

[4] In recent years, there were plenty of mixed commercial developments around the township to cater to the affluent population.

The current Member of Parliament (MP) is Wong Chen of Parti Keadilan Rakyat (PKR) who replaced Loh Gwo Burne (which previously P104 Subang are known as P104 Kelana Jaya until 2018) in 2013 and Tan Seong Lim of Barisan Nasional.

USJ has grown rapidly in recent years but has paid a price in terms of traffic congestions and a shortage of parking spaces.

It is a mixed commercial development consisting of office suites, a shopping mall, a cinema, a hotel, and a high-rise serviced residence.

[2] Lotus Cars and the Malaysian headquarters of PROTON (Centre of Excellence), and many other major international companies are located in UEP Industrial Park.

The Proton Headquarters in USJ is connected to its Shah Alam manufacturing plant and test track through a private tunnel.

The Subang Jaya Municipal Council Sports Complex in USJ 5 has a football turf and an athletic running track which are compliant to international standards, grandstands to accommodate 800 spectators and floodlights for night games.

In every residential neighborhood, there are landscaped parks, recreational fields, basketball courts, jogging tracks and children's playgrounds.

It is only a mere 20 minutes drive from USJ to the Kuala Lumpur city centre by using the New Pantai Expressway (NPE) through SMART Tunnel.

The USJ 7 station is an interchange to the Rapid KL's LRT Kelana Jaya Line.