Build a simple 3-statement financial model for a new business

Income statement, balance sheet and cash flow — linked so changing one assumption flows through all three.

12 min read advancedUpdated Mar 28, 2025
BI
Reviewed by the editorial team · Mar 28, 2025

Step by step

  1. 01

    Start with revenue assumptions

    Price × units × growth. Keep it monthly for year 1.

  2. 02

    Build the income statement

    Revenue − COGS = gross profit. Subtract operating expenses to get EBITDA.

  3. 03

    Link the cash flow

    Start with net income, add back non-cash items, account for working capital.

  4. 04

    Balance the balance sheet

    Assets = liabilities + equity. If it doesn't balance, your linking is off.

  5. 05

    Add scenarios

    Best, base, worst — toggle with a single cell.

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