1. Confirm the reporting period and statement version
Start by confirming that you are looking at the right month, quarter, or year-to-date range. If multiple versions of the same report exist, make sure you are reviewing the one your bookkeeper or accounting system considers current.
2. Review revenue first
Look at total revenue before you dive into costs. Ask whether the month lines up with expectations, seasonality, promotions, staffing changes, or project volume. If revenue changed materially, note it early so the rest of the statement has context.
3. Check cost of goods sold and gross profit
If your business tracks direct labor, materials, or inventory, review cost of goods sold next. Then look at gross profit and gross margin to see whether the business kept enough of each revenue dollar before operating overhead.
4. Review operating expenses by category
Go line by line through major expense categories such as payroll, rent, software, marketing, contractor spend, travel, and payment processing. Large changes are not always bad, but they should usually have an explanation.
5. Separate recurring costs from unusual items
Recurring subscriptions and steady monthly costs tell you one story. One-time legal bills, repairs, owner draws, or cleanup items tell another. Distinguishing between the two helps you avoid overreacting to noise in a single month.
6. Compare margins and net income to prior periods
Do not stop at the bottom line. Compare gross margin and net income with prior periods so you can see whether profitability is actually improving, staying flat, or slipping. This is where trend review becomes more valuable than a single month's total.
7. Reconcile big changes with underlying bank activity
If a revenue or expense line looks materially different, trace it back to raw activity when needed. The profit and loss statement vs bank statement comparison explains why many businesses use both views together, and the bank statement analyzer page is the better path when you need transaction-level detail.
8. Save notes for the next bookkeeping or owner review
Document the main takeaways while they are fresh. A short note on revenue changes, rising expenses, margin shifts, or unusual items makes the next conversation with a bookkeeper, accountant, or leadership team much easier.
Why this checklist matters
Without a repeatable review habit, P&L statements often become something owners open only when a problem appears. A monthly rhythm makes financial reporting more proactive and easier to explain. For a foundation on the statement itself, pair this checklist with how to read a profit and loss statement.