About

Professional Body that listen, understand and act for its members.
Welcome to Security Industry Union Ltd; the UK's Multi Trade Body for Security. SIU was founded in 2009 and we are now celebrating SIU's 10th year anniversary.

SIU represents security professionals, protect their rights at work and provide advice, support, representation as well as bespoke group of member benefits that aren't available to the general public.

SIU is independent and free to pursue the best opportunities for its members.

SIU Team



SIU Offer




Find out more about SIU member benefits by clicking here.