SIGMATIC ← Back to case studies Financial Services
Migrating a legacy warehouse to a governed lakehouse
Consolidated three siloed databases into one Unity Catalog-governed platform with full lineage.
3 into 1
Down 90%
End to end
Challenge
Three disconnected databases and inconsistent definitions meant every board report needed manual reconciliation.
Outcome
A single governed lakehouse with consistent definitions, automated data quality checks, and traceable lineage.
Every board pack started with a debate about whose numbers were right.
What we did
We migrated three legacy databases into a governed Databricks lakehouse, standardised definitions, and built automated data-quality and lineage into the pipelines with Unity Catalog.
The result
Trusted, traceable numbers, and a finance team that spends its time analysing rather than reconciling.