Serjeant at Arms

The Serjeant at Arms is responsible for security and keeping order within the Commons part of the parliamentary estate. There are also some ceremonial aspects to the role. The Serjeant at Arms directorate is part of the Department of Chamber and Committee Services

Areas of responsibility in the parliamentary estate

The responsibilities of the Serjeant at Arms apply to the House of Commons chamber, public galleries, committee rooms and the Commons' areas of the parliamentary estate.

Ceremonial duties

The Serjeant at Arms' ceremonial duties involves carrying the House of Commons mace during the Speaker's procession. This is when the Speaker and his staff walk to the House of Commons chamber before each sitting. The Serjeant, or a deputy Serjeant, sits in the Commons chamber and is responsible for security for the duration of the sitting. The Speaker can call upon them to escort people out. The Serjeant at Arms wears a traditional uniform and a sword.

History of the role

The office of Serjeant at Arms dates back to 1415 and the reign of Henry V when the Serjeant was responsible for carrying out the orders of the House of Commons, including making arrests. Today, the Serjeant at Arms performs ceremonial duties that date back to the early days of the office, for example the Serjeant is required to carry the mace in the Speaker's Procession each day and also into the House of Lords during the State Opening of Parliament.

Serjeant at Arms

Kamal El-Hajji is the newly appointed Serjeant at Arms. Mr Mohammed Amal (Kamal) El-Hajji has been Head of Front of House and VIP Relations at the Ministry of Justice since 2010. His start date to the post of Serjeant at Arms will be confirmed soon.

Contact the House of Commons Enquiry Service

The House of Commons Enquiry Service provides information on the work, history and membership of the House of Commons.

Our telephone enquiry service is open between 10am-12 midday and 2pm-4pm (Monday to Friday, excluding bank holidays).


The House of Commons Enquiry Service produces a series of free publications which you can read online, or contact us to request copies.

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Feature publication

Serjeant at Arms

The Library's commemorative publication for the 600th anniversary since the appointment of the first Serjeant-at-Arms.


Related information

Further information

House of Commons Library notes

Living Heritage pages