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Vendor Due-Diligence · June 2026
The Australian marketing vendor due-diligence checklist.
Practical vendor due-diligence checklist for Australian businesses + PE-portfolio operations selecting marketing agency partners. Privacy, security, AI governance, compliance, data residency. The questions enterprise procurement teams actually ask.
AD
Adam Ducquet
Privacy + data handling
- Privacy Policy aligned with Privacy Act 1988 (Cth) and APPs
- Data residency declaration (preferably
australia-southeast1or equivalent for AI processing) - Sub-processor list (named providers like Google Workspace, Cloudflare, Xero, etc.)
- Data Processing Agreement (DPA) available for execution
- Breach notification commitment + notifiable data breach scheme (NDB) awareness
Security
- Identity provider (Google Workspace SSO + Cloudflare Access for internal tools)
- Encryption at rest + in transit declared
- Access control documented per engagement (per-engagement client-data isolation)
- Audit logging on access events
- Incident response procedure with named escalation paths
AI governance
- Documented AI Governance Policy
- Statement on AI training data (no client-confidential data on general-purpose models)
- Provenance metadata on AI-generated outputs (model + prompt + reviewer)
- Human review gate before AI-generated content ships externally
- Compliance review pipeline for AI-generated regulated content
Vertical-specific compliance
- Healthcare: AHPRA review pipeline + named accountable reviewer
- Consumer: Australian Consumer Law claim review
- Industrial: Tier-1 procurement-claim review where applicable
Commercial transparency
- Ad spend pass-through (no markup) on every engagement
- Management fees disclosed as named line items on Xero invoices
- Block Hours rate published
- Month-to-month contract terms (no lock-ins)
Operational
- Senior strategist on the engagement (same person from pitch to delivery)
- Documented onboarding process (Day 0 to Day 30)
- Reporting cadence documented (weekly + monthly + quarterly)
- Long-tenure track record (multi-year average tenure on material engagements, ours is 47 months across 52 engagements)
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security@121group.io
Adam Ducquet