By the Finsol Advisors Team · Xero Gold Partner & QuickBooks Certified · Published July 22, 2026 · Updated July 22, 2026
A monthly profit and loss statement tells you whether the work your business performed during a period produced a profit. To make it useful, read it in a consistent order: revenue, direct costs, gross profit, operating expenses, and net income. Then compare each line with a meaningful reference point, such as last month, the same month last year, or your budget.
The report is also called an income statement. It shows activity across a period of time, while a balance sheet shows what the business owns and owes on a specific date. A cash flow statement explains how cash moved. You need all three views because a profitable business can still be short on cash.
Start with revenue, but do not stop there
Revenue answers one question: how much did the business earn before expenses? Compare the current month with three useful baselines:
- The prior month to spot a recent shift.
- The same month last year to account for seasonality.
- Your budget or target to see whether the plan is becoming reality.
When revenue changes, ask why. Did the business serve more customers, raise prices, change its service mix, or receive one unusually large order? A number without the operating story behind it can point you in the wrong direction.
Check direct costs and gross profit next
Direct costs are the costs tied closely to delivering what you sell. Depending on the business, they may include materials, subcontractor labor, merchant costs, or inventory. Revenue minus direct costs equals gross profit.
Gross margin is gross profit divided by revenue. Tracking the percentage helps separate growth from healthy growth. If sales rise while gross margin falls, pricing, labor efficiency, discounts, purchasing, or service mix may need attention.
Review operating expenses line by line
Operating expenses keep the business running but are not assigned directly to a specific sale. Common lines include payroll, rent, software, insurance, advertising, professional fees, and office costs.
Look for three patterns:
- Unexpected movement. A line changes sharply with no known business reason.
- Slow drift. A cost rises a little every month and becomes material over the year.
- Misclassification. An expense lands on the wrong line, making one category look better and another worse.
One unusual month is a question, not automatically a problem. The goal is to understand the cause and decide whether action is needed.
Understand operating income and net income
Operating income shows the result of normal business operations before items that sit outside the core operation. Net income is the final profit or loss after all recorded income and expenses for the period.
Owners often ask whether net income is the amount available to spend. It is not. Loan principal payments, owner distributions, equipment purchases, customer receivables, and unpaid bills can create a large gap between accounting profit and cash in the bank. That is why the balance sheet and cash flow statement belong in the same monthly review.
Use this 20 minute monthly review
- Confirm every bank, credit card, loan, and line of credit account is reconciled.
- Compare revenue, gross profit, major expenses, and net income with your baselines.
- Write down the reason for every material variance you can explain.
- List unclear items for your bookkeeper rather than guessing.
- Choose one to three actions with an owner and a due date.
The most useful meeting ends with decisions, not a longer report. Examples include reviewing a vendor contract, changing a price, collecting an overdue invoice, or investigating a low-margin service.
Questions every owner should be able to answer
- Which revenue sources grew, and why?
- Did gross margin improve or decline?
- Which expense lines changed enough to require attention?
- Is the business profitable after paying for the owner’s actual operating needs?
- What does cash flow say that the income statement does not?
- What one decision would most improve next month’s result?
How Finsol turns the report into an operating tool
Every ongoing Finsol bookkeeping client receives detailed monthly reports, a line by line income statement analysis, and one included 20 minute review each month. We flag movements that deserve attention and explain the numbers in plain language, while you keep the final business decisions.
If the books are months behind, start with our guide to catch-up bookkeeping. If they are current, see the monthly bookkeeping service or complete the short form for an exact estimate.
General educational information only. Your accounting and tax treatment depends on your facts and professional advice.