- A single source of truth (SSOT) is one trusted location where all business data is stored and accessed.
- It ensures everyone uses consistent and accurate data for decisions.
- In one project, we centralized sales and customer data in a data warehouse.
- Dashboards pulled metrics from this SSOT, avoiding discrepancies across reports.
- It reduced confusion and manual reconciliation between systems.
- As a BA, I validate that reports reference the correct source.
- SSOT improves trust in analytics and supports data-driven decisions.
- It prevents conflicting numbers across teams.
What is a single source of truth?
Updated on January 2, 2026
< 1 min read
