The Serjeant at Arms directorate is part of the Department of Chamber and Committee Services.
The directorate has operational responsibility for access in the House of Commons as well as a range of ceremonial functions.
The responsibilities of the Serjeant at Arms apply to maintaining order in the House of Commons Chamber, public galleries, committee rooms and the Commons' areas of the Parliamentary Estate. In doing this it works closely with the Office of the Parliamentary Security Director.
It also manages the work of the Admission Order Office and the Doorkeepers.
Image: Parliamentary copyright