Welcome to SIU, the UK’s Multi Trade Body for Security

SIU Membership Registration and Online Member Account
Identification Group A documents (Only one document from Group A is required.)
3. Valid firearms licence with photo 4. Utility bill (gas, electric, telephone, water, satellite, cable) 5. Letter from a Local or National Authority 6. Council Tax statement Group B documents must show your current address and be recent (Less than 3 months old)
Group B documents (Only one document from Group B is required.)
1. Valid passport of any nationality 2. Valid UK photo driving licence

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SIU represents security professionals, protects their rights at work, provides advice, support, representation, and a bespoke group of member benefits that aren’t available to the general public.