Due diligence questionnaire
Also called: DDQ
ELI5
A formal question list used to check a company or supplier.
Used in conversation
“Complete the due diligence questionnaire from verified source documents.”
Definition
A structured set of questions used to collect information for investment, procurement, compliance or transaction review.
Here “Due diligence questionnaire” means: A structured set of questions used to collect information for investment, procurement, compliance or transaction review.
Pitch context
You will see “Due diligence questionnaire” in business pitches, proposals, executive summaries and decision decks when the discussion reaches supporting documents & leave-behinds.
Why it matters: It helps a reader interpret supporting documents & leave-behinds without confusing the measure, decision, role or evidence being discussed.
Sources & evidence · 3
Supporting source families. This entry is an editorial synthesis rather than a quotation from one canonical glossary.
- U.S. Small Business Administration — Write your business planSupporting source family · primary · checked 2026-08-16
- Y Combinator — YC Startup Library — fundraising and pitching resourcesSupporting source family · practitioner · checked 2026-08-16
- U.S. Securities and Exchange Commission — Small Business Capital Formation GlossarySupporting source family · primary · checked 2026-08-16