Protective security units
Protective security units typically provide policing, security, intelligence and bodyguard services for Sovereigns and Politicians. They can be contrasted with security services
Security agency
A security agency is a governmental organization which conducts intelligence activities for the internal security of a nation. They are the domestic cousins of foreign intelligence agencies...

 which provide protective security intelligence such as (such as the British Security Service
The Security Service, commonly known as MI5 , is the United Kingdom's internal counter-intelligence and security agency and is part of its core intelligence machinery alongside the Secret Intelligence Service focused on foreign threats, Government Communications Headquarters and the Defence...

; and Guards Regiments for the defence of the Sovereign and the metropolis. Examples of these include the Household Division
Household Division
Household Division is a term used principally in the Commonwealth of Nations to describe a country’s most elite or historically senior military units, or those military units that provide ceremonial or protective functions associated directly with the head of state.-Historical Development:In...


There are also distinct non-combat personal bodyguards which serve as ceremonial guards and personal attendants (such as the Gentlemen at Arms, the Yeomen of the Guard
Yeomen of the Guard
The Queen's Body Guard of the Yeomen of the Guard are a bodyguard of the British Monarch. The oldest British military corps still in existence, it was created by Henry VII in 1485 at the Battle of Bosworth Field. As a token of this venerability, the Yeomen still wear red and gold uniforms of Tudor...

, the Royal Company of Archers
Royal Company of Archers
The Royal Company of Archers is a ceremonial unit that serves as the Sovereign's Bodyguard in Scotland, a role it has performed since 1822 and the reign of King George IV, when the company provided a personal bodyguard to the King on his visit to Scotland. It is currently known as the Queen's...

, and the Company of Pikemen and Musketeers of the Honourable Artillery Company
Honourable Artillery Company
The Honourable Artillery Company was incorporated by Royal Charter in 1537 by King Henry VIII. Today it is a Registered Charity whose purpose is to attend to the “better defence of the realm"...

, as well as the Corps of Serjeants at Arms
A Sergeant-at-Arms is an officer appointed by a deliberative body, usually a legislature, to keep order during its meetings. The word sergeant is derived from the Latin serviens, which means "servant"....

, the Gold Stick and Silver Stick, and the High Constables and Guard of Honour of the Palace of Holyroodhouse
High Constables and Guard of Honour of the Palace of Holyroodhouse
The High Constables of Holyroodhouse are a small corps of ceremonial guards at the Sovereign's official residence in the Scottish capital, Edinburgh. Dating from the early sixteenth century, they now parade whenever the Sovereign, or the Lord High Commissioner of the General Assembly of the Church...


Well-known examples include the Royalty and Diplomatic Protection Department of the London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

 Metropolitan Police
Metropolitan police
Metropolitan Police is a generic title for the municipal police force for a major metropolitan area, and it may be part of the official title of the force...

, the United States Secret Service
United States Secret Service
The United States Secret Service is a United States federal law enforcement agency that is part of the United States Department of Homeland Security. The sworn members are divided among the Special Agents and the Uniformed Division. Until March 1, 2003, the Service was part of the United States...

, and the Diplomatic Security Service
Diplomatic Security Service
The U.S. Diplomatic Security Service is the federal law enforcement arm of the United States Department of State. The majority of its Special Agents are members of the Foreign Service and federal law enforcement agents at the same time, making them unique...

 of the United States Department of State
United States Department of State
The United States Department of State , is the United States federal executive department responsible for international relations of the United States, equivalent to the foreign ministries of other countries...

. Typically they provide security and any ceremonial effect is not per se an objective.
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