Global / Voluntary framework
ISO 20400
ISO 20400:2017 Sustainable procurement, Guidance
In force2017NewModified
Topic : Supply chain due diligence · Level : Sector-specific
Today
2017 edition in force. Guidance only, not certifiable. Builds on ISO 26000.
Summary
ISO 20400 is the international guidance on sustainable procurement, published in 2017 and based on ISO 26000. It helps buyers set policy, assess supplier risk and develop suppliers. It is not certifiable.
Who is concerned
- Turnover
- not specified (voluntary standard)
- Employees
- non précisé
- Listed company
- non précisé
- Sectors
- All sectors
- Triggering activities
- Buyer sets a sustainable procurement policy
- Tender includes sustainability criteria
- Extraterritorial reach
- No
Applies to purchases from any country.
- Examples
- Brand building a supplier code
- Sourcing office grading suppliers
What the law requires
- Integrate sustainability in procurement policy
- Assess supplier risks and prioritise
- Engage and develop suppliers, not only screen
- Monitor results and improve
Penalties
None; guidance standard.
SUPPLIER INTELLIGENCE
What this changes for a supplier in China
Buyers following ISO 20400 move from one-off audits to supplier development programmes. They expect suppliers to join improvement plans and share progress data.
Expected evidence
- Answers to supplier assessment
- Improvement plan with milestones
- Progress data year on year
Tiers : Tier 1-2
SSDPConsulting

