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Technical Due Diligence
Codebase Architecture & Technical Debt Audit
A visually polished SaaS application may sit on top of spaghetti code, unmaintained open-source libraries with known CVE vulnerabilities, or proprietary code authored by offshore contractors without signed IP assignments.
🚩 Common Seller Red Flags & Tricks
- Zero automated test coverage (no unit tests, no end-to-end regression tests).
- Single hardcoded database administrator credentials and absent environment isolation (production vs staging).
- Deprecated framework versions (e.g., Python 2.7, outdated PHP, ancient React) requiring complete rewrites.
- Absence of written documentation, deployment pipelines, or architectural schematics.
🛡️ Buyer Forensic Audit Steps
- Require Git repository read-only access for a code quality scan (SonarQube / Snyk / Dependabot).
- Verify complete developer commit logs and execute a live build from scratch on a clean container.
- Review third-party API dependencies and monthly infrastructure cloud hosting costs.
- Obtain signed proprietary intellectual property invention assignments from every historical developer.
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