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SaaS Due Diligence Checklist

60 points across 4 pillars. The same framework we use in every AcquiCheck report. Free to use, no account required.

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Financial Due Diligence

15 checkpoints

Verify MRR against payment processor (Stripe, Paddle, etc.)Calculate true monthly churn (monthly cohort only, not blended)Analyze customer concentration (top 10 customers % of MRR)Check net revenue retention (NRR) over 12 monthsReview refund and dispute history and ratesCalculate LTV/CAC ratioAnalyze expansion revenue sources and sustainabilityCheck for seasonal patterns (minimum 12 months data)Verify pricing tier distribution and plan mixCross-reference Stripe payouts with bank depositsCheck for pending annual renewals and their riskAnalyze gross margin after infrastructure costsVerify MRR growth trend consistency (not just best months)Check for one-time revenue included in MRRReview accounts receivable and outstanding invoices

Technical Due Diligence

15 checkpoints

Review overall architecture and project structureAudit dependencies for known vulnerabilities (CVEs)Check test coverage (critical paths at minimum)Review deployment process and CI/CD pipelineAssess framework and language currency (is it maintained?)Search for hardcoded secrets, API keys, or credentialsReview error handling and logging infrastructureAssess database design and query performanceCheck for single points of failure in infrastructureReview external API dependencies and fallback plansVerify backup and disaster recovery proceduresCheck mobile responsiveness and cross-browser supportAssess page load performance (Core Web Vitals)Review authentication and authorization implementationEvaluate documentation quality and coverage

Traffic & Acquisition

15 checkpoints

Verify total traffic trend over 12 monthsAnalyze traffic source distribution (no single source > 50%)Check organic keyword rankings and trend directionAssess domain authority and backlink profile qualityReview full conversion funnel (visit > signup > trial > paid)Check for bot traffic or artificial inflation signalsAnalyze geographic distribution of usersReview paid acquisition costs, channels, and ROIAssess referral partner stability and dependencyEvaluate content marketing strategy and effectivenessCheck social media presence and engagement levelsVerify email list size, engagement, and deliverabilityAnalyze seasonal traffic patternsCross-reference claimed traffic with SimilarWeb/SEMrushCheck Google Search Console for manual actions or penalties

Legal Risk Assessment

15 checkpoints

Verify IP ownership for all code contributorsRun open source license compliance scanReview Terms of Service completeness and accuracyAudit privacy policy against actual data practicesCheck GDPR compliance (if serving EU users)Check CCPA compliance (if serving California users)Review data processing agreements with all subprocessorsVerify cookie consent implementationCheck for pending or threatened legal issuesReview trademark registration statusVerify domain ownership, expiration, and registrarCheck seller non-compete agreementsReview existing customer contracts and obligationsAssess regulatory compliance for the specific verticalVerify business insurance coverage (if applicable)

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