Vendor Guide
A guide to the ST4S assessment process and criteria
About the Guide
The ST4S vendor guide covers the ST4S assessment framework and provides guidance and information regarding:
- the assessment process and results
- the questions included in the ST4S assessment questionnaire and the minimum acceptable responses
- links to relevant industry standards
- the criteria used to determine a compliant vs. non-compliant response, with critically important criteria marked with a hash (#)
- the initial categorisation of products and services based on assessment tiers
- how the assessment results will be shared with participating member organisations.
Current Version
The ST4S vendor guide is updated twice per year. All ST4S assessments are performed against a version of the ST4S assessment framework. The assessment framework is versioned as follows: <year>.<version number> (e.g. 2023.1 indicates the first release for 2023)
The current version of the guide can be found below:
ST4S Vendor Guide 2023.2
last updated: 17 July 2024
Previous Versions
Previous versions of the ST4S Supplier Guide will be kept here for Suppliers undertaking an assessment under a prior framework version.
Version 2023.1 of the vendor guide remains available online for suppliers currently undertaking an assessment under this version.
Version 2022.1 of the vendor guide remains available online for suppliers currently undertaking an assessment under this version.
