The Royal Staff Corps was a corps

Corps

A corps is either a large formation, or an administrative grouping of troops within an armed force with a common function such as Artillery or Signals representing an arm of service...

 of the British Army

British Army

The British Army is the land warfare branch of Her Majesty's Armed Forces in the United Kingdom. It came into being with the unification of the Kingdom of England and Scotland into the Kingdom of Great Britain in 1707. The new British Army incorporated Regiments that had already existed in England...

 which was founded in c.1800 and disbanded in c.1837. It was generally responsible for short-term military engineering works, with the Royal Engineers

Royal Engineers

The Corps of Royal Engineers, usually just called the Royal Engineers , and commonly known as the Sappers, is one of the corps of the British Army....

 and Corps of Royal Sappers and Miners remaining responsible for permanent works, but the boundaries between the functions of the corps were blurred. The Royal Staff Corps answered to the Quartermaster-General

Quartermaster-General to the Forces

In the United Kingdom, the Quartermaster-General to the Forces is a senior general in the British Army.From 1904 the Quartermaster-General to the Forces was the Third Military Member of the Army Board.-Responsibilities:...

 instead of to the Board of Ordnance

Board of Ordnance

The Board of Ordnance was a British government body responsible for the supply of armaments and munitions to the Royal Navy and British Army. It was also responsible for providing artillery trains for armies and maintaining coastal fortresses and, later, management of the artillery and engineer...

. It also seems to have provided personnel for military police

Military police

Military police are police organisations connected with, or part of, the military of a state. The word can have different meanings in different countries, and may refer to:...

 and orderly

Orderly

A medical orderly , is a hospital attendant whose job consists of assisting medical and/or nursing staff with various nursing and/or medical interventions. These duties are classified as routine tasks involving no risk for the patient.- Job details :Orderlies are often utilized in various hospital...

duties. On its disbandment most of its personnel transferred to the Royal Engineers and the Corps of Royal Sappers and Miners.