Due Diligence7 min readMar 5, 2026
SaaS Due Diligence Checklist: What to Check Before You Sign
A disciplined checklist prevents expensive surprises after acquisition. Use this framework to examine every aspect of a SaaS business prior to closing.
Complete Due Diligence Protocol
Divide your diligence process into distinct phases: preliminary screening, in-depth financial audit, codebase inspection, and legal compliance.
Checklist & Key Actions
Inspect 12-month Stripe payout records
Verify domain DNS control and registrar unlocking
Audit database backups and schema documentation
Verify compliance with GDPR and privacy regulations
Confirm no active customer chargeback disputes
FREQUENTLY ASKED QUESTIONS
How long should SaaS due diligence take?
For micro-SaaS deals under $50K, due diligence can usually be completed thoroughly in 5 to 10 business days.
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