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←Case studiesData analysis

A sales dashboard that shows where the money comes from

Years of sales records turned into a clear view by product, branch and month.

Profit by productMonthly sales by branch
Client
Food distributor
Timeline
4 weeks
Scope
Data cleaning, analysis, dashboard

The problem

Sales data lived in monthly spreadsheets with different layouts. Nobody could say which products or branches made the profit.

What we built

  • Records were cleaned, joined and checked against the accounting totals.
  • Sales and margin were broken down by product, branch and month.
  • A dashboard that updates itself, with a short findings note for the owner.
5 yearsof records combined
14%of products made 60% of profit
1 clickto view any branch

Built with Python, SQL, Power BI.