GDPR - EUIDPR: The relationship between data-controllers and data-processors must be formalised through data-processing agreements (GDPR Article 28) at the very least.
ISMS - PIMS: Agreements and contracts can be part of controls for supplier relationships (ISO27001 A.15).
Our clients are choosing Bizoneo as it saves hours of work. Bizoneo keep the data in a central place, handle the workflow of documents and ease the assessments of data-processors.