Marketplace Profitability & P&L Engine Overview This project is an end-to-end E-commerce Marketplace Analytics solution built using MySQL, SQL, Power BI, and Excel.

The objective of this project is to analyze marketplace profitability across multiple sales channels by calculating revenue, product costs, marketplace commissions, shipping expenses, and net profit.

The project simulates a real-world marketplace operations environment where business teams need visibility into product performance, marketplace profitability, and operational KPIs.

Business Problem E-commerce businesses often track revenue but fail to understand true profitability.

This project helps answer key business questions:

Which marketplace generates the highest profit? Which products are most profitable? How do commissions impact margins? What is the overall profit margin? How does shipping cost affect profitability? Tech Stack MySQL SQL Power BI Microsoft Excel Data Sources Products Contains SKU-level product information.

Fields:

SKU Product Name Category Cost Price Selling Price Orders Contains marketplace order transactions.

Fields:

Order ID Order Date Marketplace SKU Quantity Marketplace Charges Marketplace commission structure.

Fields:

Marketplace Commission Percentage Shipping Cost Shipping cost by marketplace.

Fields:

Marketplace Shipping Cost Returns Order return information.

Fields:

Order ID Return Status SQL Implementation The project uses multiple SQL tables and joins to create a unified profitability dataset.

Key SQL Concepts Used:

CREATE TABLE INNER JOIN SQL Views Aggregations Calculated Metrics A consolidated analytical view was created:

vw_marketplace_pnl

This view combines all business logic and serves as the primary source for Power BI reporting.

Profitability Metrics Revenue Revenue = Quantity × Selling Price

Product Cost Product Cost = Quantity × Cost Price

Commission Cost Commission Cost = Revenue × Marketplace Commission %

Shipping Cost Shipping Cost = Quantity × Shipping Cost

Profit Profit = Revenue − Product Cost − Commission Cost − Shipping Cost

Profit Margin % Profit Margin % = Profit / Revenue

Power BI Dashboard Executive Summary KPIs:

Total Revenue Total Profit Total Orders Profit Margin % Marketplace Analysis Revenue by Marketplace Profit by Marketplace Marketplace Performance Comparison Product Analysis Top Profitable Products Product Revenue Analysis Product Profitability Ranking Trend Analysis Revenue Trend Profit Trend Order Trend Project Architecture Excel → MySQL → SQL View → Power BI Dashboard

Key Outcomes Built a scalable marketplace profitability model. Centralized business logic using SQL Views. Automated profitability calculations. Delivered interactive executive dashboards for decision-making. Simulated a real-world marketplace operations analytics workflow. Skills Demonstrated SQL Data Modeling Business Intelligence Power BI E-commerce Analytics Marketplace Operations Profitability Analysis Data Visualization Author Sunny Mehta

Open to opportunities in:

E-commerce Operations Marketplace Management Business Analytics Operations Analytics Data Analytics