Your platform
Define required fields, formats, validation rules, identifiers, access, and publication.
For DPP platforms
You run the platform.
We prepare the evidence.
Add a specialist operational layer for customers who need help with supplier files, missing evidence, and structured handoff. Potential collaboration only; no existing partnerships are implied.
Platform-neutral by design
Already have a DPP platform?
Keep it.
We prepare the evidence that goes into your passport. Your platform continues to handle hosting, access, and publication.
See how the handoff worksSupplier documentsPDFs · BOMs · spreadsheets
↓QuartzspanTraceable evidence + visible exceptions
↓Your DPP platformAgreed schema · CSV / JSON handoff
A defined interface between our work and yours.
Our evidence operations
Prepare source inventory, field mappings, supplier requests, exception decisions, and normalized records.
Shared acceptance
Agree the handoff schema, test sample imports, define escalation ownership, and confirm readiness before delivery.
Start a conversation
Where does onboarding get stuck?
Tell us about your platform, the evidence bottleneck, and the handoff you need. White-label operations can be explored with clear accountability.
founders@quartzspan.com ↗