? Eligibility | SIU, the UK's Multi Trade Body for Security and Medics | Security Industry Union Ltd

Eligibility for SIU Membership

Anyone can apply for SIU membership including company directors, employees, self employed staff and students.

Please note Police Service employees who wish to join SIU must also belong to their designated trade union or the Police Federation.





SIU Offer




Find out more about SIU member benefits by clicking here.