What Is a Profit & Loss Statement (and How to Make One)

The profit and loss statement is the one financial report every business owner needs to understand. It is not complicated. Here is what goes on it, what each section means, and how to build one from your existing bank statements without an accountant.

Most small business owners and freelancers encounter a profit and loss statement (also called a P&L or income statement) for the first time when a bank asks for one before approving a loan, or when their accountant requests it before filing taxes. The document looks intimidating until you understand its structure, which is actually just one equation: Revenue minus Expenses equals Net Profit (or Net Loss).

What a profit and loss statement shows

A P&L statement covers a specific time period: a month, a quarter, or a full year. For that period, it answers two questions:

1. How much money came in from your business activities?
2. How much did it cost to run the business?

The difference between those two numbers is your net profit or net loss. If revenue exceeds expenses, you made a profit. If expenses exceed revenue, you ran at a loss for that period. Neither outcome is permanent, but knowing which one you are in is essential for making any financial decision about the business.

The main sections of a P&L statement

Revenue (or Income)

This is all the money the business earned during the period from its core activities. For a freelancer, that is client payments. For a product business, it is sales. Revenue does not include loans, investments, or personal contributions from the owner, which are not earned income.

Some P&L statements break revenue into categories: service revenue, product revenue, and other income (such as interest or occasional one-off payments). Breaking it down helps you see which part of the business is actually driving growth.

Cost of Goods Sold (COGS)

For businesses that sell products, this section captures the direct costs of producing what was sold: materials, manufacturing, and direct labor. Service businesses often have minimal COGS or none at all. Gross Profit is Revenue minus COGS and represents how much you earned before operating costs.

Operating Expenses

This is where most of the detail lives for small businesses and freelancers. Operating expenses are the costs of running the business that are not tied to producing a specific product or service. Common categories include:

• Advertising and marketing: Paid ads, website hosting, promotional materials
• Software and subscriptions: Tools you pay for monthly or annually
• Professional services: Accounting, legal, consulting fees
• Office and supplies: Equipment, paper, desk items
• Travel and meals: Business-related transportation and client meals
• Rent and utilities: A home office deduction or actual office space
• Wages and contractors: Payments to employees or independent contractors

Net Profit or Net Loss

Subtract total operating expenses (and COGS if applicable) from gross revenue and you arrive at net profit. This is the single number that tells you whether the business is sustainable. A positive number means the business generated more than it spent. A negative number means it did not.

Net profit is also what your tax liability for the business is based on (with various deductions applied), which is why having an accurate figure matters so much before you file.

How to build a P&L from your bank statements

You do not need accounting software to create a usable P&L if your business is small and you are not tracking inventory. The steps are straightforward:

Step 1: Separate business and personal transactions

If you use a dedicated business account, this step is already done. If you use a personal account for business expenses (common for sole proprietors in their early years), you need to identify which transactions are business-related. Reviewing a full year of statements is the only way to catch everything.

Step 2: Categorize every business transaction

Group your transactions into the expense categories that apply to your business. This does not have to be complicated: software, advertising, travel, professional fees, supplies, and other is often enough for a basic P&L. Income is usually one or two categories for a freelancer.

Step 3: Total each category by period

Add up each expense category and your total income for the time period covered. A spreadsheet works fine. Many PDF statement tools can export this categorized breakdown directly so you do not have to tally manually.

Step 4: Calculate net profit

Subtract total expenses from total revenue. That is your P&L.

P&L vs. balance sheet: which do you need?

A P&L and a balance sheet answer different questions. The P&L shows how the business performed over time. The balance sheet shows what it is worth at a single moment: assets on one side, liabilities on the other, with equity as the difference. Banks often want both when evaluating a loan. For tax purposes, a P&L (effectively your income statement) is what drives your Schedule C or business return. If you are just starting out and someone asks for a P&L, that is the document to focus on first.

How often to produce one

Tax filing requires at minimum an annual P&L. Monthly P&L statements give you a much clearer picture of how the business is actually trending: which months are your best revenue months, which expense categories are growing faster than revenue, and whether this month's profit is an anomaly or a pattern. Monthly reviews make year-end filing dramatically easier and reduce the chance of an unwelcome tax surprise.