DDQ (Due Diligence Questionnaire)
A DDQ is a standardized questionnaire an organization sends to assess a counterparty's risk before or during a business relationship — covering security, compliance, financial stability, and operations. DDQs recur on cycles, making consistent, well-maintained answers as important as correct ones.
DDQs dominate financial services, vendor risk management, and investment operations: asset managers answer them for allocators, vendors answer them for enterprise procurement and security teams. Their defining property is recurrence — the same organization answers hundreds of substantially similar questionnaires a year, and inconsistency between this quarter's answer and last quarter's is itself a red flag to reviewers. That makes DDQs the strongest case for a grounded answer knowledge base: answers generated from current source documents (policies, attestations, financials) stay consistent by construction, and citations let reviewers trace each claim to its source.
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