The Prime Minister's Office (PMO; , JPM) is the leading and largest cabinet-level ministry in the government of Brunei. It serves as the immediate office of the country's prime minister, as well as oversees several key government departments. It was established immediately upon Brunei's independence on 1 January 1984, with Hassanal Bolkiah, the current Sultan of Brunei, being the first and only prime minister to date. The leadership also consists of a Senior Minister (), introduced in 2005 and has since been held by the Crown Prince Al-Muhtadee Billah, a Special Advisor () to His Majesty, as well as in-house ministers and deputy ministers.
The ministry is located in Bandar Seri Begawan with two headquarters, one located at Istana Nurul Iman and another at a building at Jalan Perdana Menteri.
The ministry oversees the largest portfolio in the cabinet with 19 departments. They include:
The allocated budget for the fiscal year 2022âÂÂ23 is about B$385 million, a 10.8 percent decrease from the previous fiscal year.
On 7 December 2012, the project was finished, and Jurusy Perunding offered comprehensive structural and civil engineering consulting services. This includes finishing off partially built structures, adding intermediate stories, expanding the building's footprint, carrying out exterior work, and fixing structural flaws.
According to UE E&C, United Engineers (B), a 90% owned subsidiary of the business, has been awarded a B$131.5 million tender to construct the PMO building complex in Bandar Seri Begawan. The follow-up construction project is scheduled to begin in December 2012 and last for 13 months. This project falls under funding for the 10th National Development Plan (RKN 10). The Bruneian government designated Nizam Wahab as the principal architect and consultant for OWMP International in the areas of interior and landscape design.
In time for Brunei's chaired 22nd ASEAN Summit Meeting, the project was finished in 18 months. With two wings around a central dome, the building's architecture is marked by symmetry. The surrounding scenery incorporates water fountains. The architectural plan incorporates conventional design features suitable for a governmental structure, with an emphasis on practical space. The six-story building complex has and house several governmental agencies and departments. Architecturally, the complex's interior areas were accentuated with specially made theatre seats that complemented the overall style of the structure.