Case Study

PostgreSQL Data Warehouse for 3,000 Vehicles

A multi-region fleet team replaced spreadsheet reporting with a governed Wialon to PostgreSQL warehouse.

Customer

Multi-Region Fleet Operator

Segment

Transport Services

Fleet

3,000 vehicles

Timeline

12 weeks

Challenge

  • Reports were generated by different teams with conflicting metric definitions.
  • No historical baseline for monthly cost analysis.
  • Dashboard trust dropped because figures changed between reports.

Solution

  • Implemented immutable staging and versioned transformation layers.
  • Built KPI dictionary shared across operations and finance.
  • Added freshness and reconciliation controls for daily quality assurance.

Results

  • Reporting cycle reduced from 3 days to same-day availability.
  • Single KPI standard adopted by operations and finance leadership.
  • Time spent on manual report preparation reduced by 74%.

Stack

Wialon PostgreSQL dbt-style transforms BI integration

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Our team came from Gurtam. We've been building production integrations for Wialon partners across six continents for over a decade.

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