Staff were held in seperate rooms and interrogated during Thursday night's operation, which included the Security Industry Authority and the UK Visas and Immigration team.
John Brown, 49, of Coach Lane, Benton, was convicted last year of attacking someone at Eazy Street bar in Newcastle and was banned from working as a door supervisor by the Security Industry Authority (SIA).
London -- In such a prevailing security situation, setting up Security Industry Authority (SIA) in the Pakistan as we have in the United Kingdom, can combat terrorism activities effectively and ensure prosperity of the country, said Pakistani born British security Industry expert here in London on Tuesday.
Thirty premises and 62 door supervisors were inspected last month in Huddersfield, Batley and Dewsbury and all were found to hold a valid Security Industry Authority (SIA) licence.
Mr Bebb's concern comes after raids last month by North Wales Police and Security Industry Authority (SIA) officials found that 12 out of 39 staff - about a third - were illegally employed in premises across the region.