What is reverse ETL?
Reverse ETL is the process of copying data from a central warehouse or unified database back into operational tools — like a CRM, marketing platform or support app — so teams can act on unified insights inside the apps they already use. It's the opposite direction to traditional ETL, which moves data into the warehouse.
Key takeaways
- Pushes modelled data from your warehouse back into operational tools (CRM, support, marketing).
- The opposite direction to ETL — it's about acting on insights, not just analysing them.
- Closes the loop between analytics and day-to-day operations.
Why teams use it
Once data is unified and modelled centrally (e.g. a customer's full history and value), reverse ETL pushes those enriched fields back into the tools where work happens — so sales sees lifetime value in the CRM, or support sees account health in the help desk.
A typical example
A subscription business models each customer's lifetime value and churn risk in its central database, then uses reverse ETL to write those fields back into the CRM — so account managers see who to prioritise without ever leaving the tool they work in every day.
Reverse ETL vs ETL
ETL moves data into the central store for analysis; reverse ETL moves modelled data out of it into operational apps for action. Together they close the loop between analytics and day-to-day operations.
Related questions
It's a specific kind of integration: it specifically syncs governed, modelled data from your central warehouse/unified database into operational tools, rather than ad-hoc app-to-app syncing.