The Houses of the Oireachtas Service is the parliamentary administration which provides advice and support services to: The Houses of the Oireachtas Commission; The Houses of the Oireachtas (Dáil and Seanad) and their Committees; and Members (Deputies and Senators) of the Houses of the Oireachtas.
The Service is staffed by approximately 500 full-time equivalent general, professional and technical civil servants. The Houses of the Oireachtas Commission acts as the governing body of the Service. The Houses of the Oireachtas Service is committed to a policy of equal opportunity.