A profit and loss statement shows whether your business made or lost money over a specific period. Also called an income statement or P&L, it’s one of the three main financial reports every business needs alongside a balance sheet and cash flow statement.

The structure is straightforward. Revenue goes at the top, expenses in the middle, and profit or loss at the bottom. Revenue minus expenses equals your net income. If that number is positive, you made money. If it’s negative, you lost money during that period.

Most P&L statements break expenses into categories. Cost of goods sold, meaning what you spent to deliver your product or service, comes first. Subtract that from revenue and you get gross profit. Then operating expenses like rent, payroll, insurance, and utilities get subtracted to arrive at net profit.

The time period matters. A P&L can cover a month, a quarter, or a full year. Working with a small business bookkeeper typically means getting monthly statements that help you spot trends and catch problems early. Annual statements are what your accountant uses for tax preparation. Comparing statements across multiple periods shows whether your business is improving or declining.

Your P&L is different from your bank balance. You might have cash in the bank but still be unprofitable if you’re spending more than you’re earning over time. Or you might be profitable on paper but short on cash because customers haven’t paid their invoices yet. The P&L shows earnings, not cash flow.

Business owners use P&L statements to make decisions. Which services are most profitable? Are labor costs too high? Is marketing spending paying off? You can’t answer these questions without accurate books that generate reliable financial reports.

Banks and investors want to see P&L statements before lending money or providing funding. They want proof your business generates enough income to repay debt. Tax accountants need P&L data to prepare accurate returns. Potential buyers review years of P&L history when evaluating an acquisition.

If you’re not getting monthly P&L statements, you’re running your business blind. Monthly bookkeeping produces these reports automatically so you always know where you stand financially. The numbers are only useful if they’re accurate and categorized correctly for your specific type of business.