Security questionnaires, with receipts

Answer security questionnaires in minutes with Substanto. And show the evidence behind every one.

Substanto drafts each answer from your own SOC 2 and security policies, cites the exact source line, and reuses your approved answers so every questionnaire gets faster. When your documents do not cover something, it says so instead of guessing.

Works with SIG, CAIQ, VSAQ, and custom .xlsx or .csv files. Start free with 150 answers, no credit card, no sales demo.

Upload, review, done.

No integration. No onboarding call. Three steps from a blank questionnaire to a filled one you can send.

Upload the questionnaire

SIG, CAIQ, VSAQ, or a custom .xlsx or .csv. Substanto auto-detects the questions.

Substanto answers each one

Reused from your library or drafted from your SOC 2 and policies, each with the exact source cited.

Review and download

Get your own template back, filled in, with a source and a status on every row.

Start free. Upgrade when it pays for itself.

150 free answers to start. No credit card. Self-serve, no sales call. Start free at substanto.com.