Security Industry Authority Mr. Bercow To ask the Secretary of State for the Home Department how many people were employed by the Security Industry Authority on (a) 1 April and (b) 1 July.[130474] Ms Blears The Security Industry Authority had 33 staff on 1 April 2003 and 35 staff on 1 July 2003. In each case the figures include 13 staff on secondment from government departments, mainly the Home Office.