Automated FDD vs Manual Due Diligence Models
In-house Excel models and analyst spreadsheets were the standard for deal diligence. As deal volume grows, the manual approach doesn't scale — here's why.
| Manual Models | Zenith FDD | |
|---|---|---|
| Time to complete | 1–3 weeks | Hours |
| Error risk | High — manual data entry | Low — direct accounting sync |
| Audit trail | None or ad hoc | Full, timestamped |
| Accounting integrations | Manual export/import | QuickBooks, Xero, CSV |
| Scales across deals | No — rebuilt each time | Yes — reusable workflow |
| Cost per deal | High analyst hours | Flat software cost |
When manual models made sense
For teams doing 1–2 deals per year, a custom Excel model gave analysts full control over assumptions and presentation. That flexibility was worth the effort.
At higher deal volume — or when analysts are stretched across multiple processes — the rebuild cost per deal, combined with version-control risk and manual data entry errors, becomes the bottleneck. Zenith replaces the data collection and analysis layer while keeping your team in control of the investment decision.