Contents:
- Brief Intro
- Preparation
- Step-by-Step
- Step 1: List Total Revenue
- Step 2: Subtract Cost of Goods Sold
- Step 3: List and Subtract Operating Expenses
- Step 4: Account for Other Income and Expenses
- Step 5: Review and Compare Trends Over Time
- Pro Tips
- A Comparison: P&L vs. Balance Sheet
- A Regional Difference
- A Sustainability Angle
- FAQ
- How often should a small business create a P&L statement?
- Can I create a P&L statement without accounting software?
- What’s considered a healthy profit margin?
- Do lenders and investors actually review a P&L statement closely?
- What’s the difference between gross profit and net profit on a P&L?
What actually tells you whether your business genuinely made money last month, beyond simply glancing at a bank balance that mixes together revenue, expenses, and timing all at once?
Brief Intro
A profit and loss statement, or P&L, summarizes revenue, expenses, and resulting profit or loss over a specific period, giving a far clearer financial picture than a bank balance alone ever could.
Preparation
Gather your revenue records and categorized expense data for the specific period you’re analyzing, whether monthly, quarterly, or annually.
Step-by-Step
Step 1: List Total Revenue
Record all income generated during the period, before subtracting any costs or expenses whatsoever.
Step 2: Subtract Cost of Goods Sold
Direct costs tied to producing your product or service, subtracted from revenue, reveal your gross profit for the period.
Step 3: List and Subtract Operating Expenses
Rent, salaries, marketing, and other overhead costs, subtracted from gross profit, reveal your operating profit.
Step 4: Account for Other Income and Expenses
Interest, taxes, and any one-time items get factored in next, arriving at your final net profit or loss for the period.
Step 5: Review and Compare Trends Over Time
Comparing P&L statements across multiple periods reveals trends a single snapshot alone can’t show, like gradually rising costs eating into margin.
Pro Tips
Review your P&L monthly, not just at tax time, since catching a concerning trend early gives you far more time to actually address it before it becomes a serious problem.
A Comparison: P&L vs. Balance Sheet

A P&L shows performance over a period of time, revenue and expenses. A balance sheet shows a snapshot at a single point in time, assets, liabilities, and equity, a fundamentally different but complementary view.
A Regional Difference
Businesses in states with no income tax, like Texas, see a notably simpler tax line item on their P&L compared to businesses in states like California with additional state-level tax obligations factored in.
A Sustainability Angle
Modern cloud accounting software generates P&L statements automatically and paperlessly, eliminating the manual, paper-heavy bookkeeping processes businesses relied on for generating this same report decades ago.
FAQ
How often should a small business create a P&L statement?
Monthly review is ideal for catching trends early, though quarterly at minimum keeps you reasonably informed of overall financial health.
Can I create a P&L statement without accounting software?
Yes, a well-organized spreadsheet works for simple businesses, though software significantly speeds up the process as transaction volume grows.
What’s considered a healthy profit margin?
This varies enormously by industry, though many small service businesses target 10-20% net profit margin as a reasonably healthy benchmark.
Do lenders and investors actually review a P&L statement closely?
Yes, it’s typically one of the first documents requested, since it directly shows whether a business generates sustainable profit over time.
What’s the difference between gross profit and net profit on a P&L?
Gross profit subtracts only direct production costs from revenue, while net profit subtracts all expenses, including overhead and taxes, giving the final bottom line.