Lighthouse Bookkeeping · Practical Guide

Profit and Loss vs. Balance Sheet: A Practical Guide

A profit and loss statement and a balance sheet answer different questions. Reading both helps you understand more than the amount sitting in your bank account.

By Lighthouse Bookkeeping

By Lighthouse Bookkeeping · Reviewed by Bosco Tanson, Founder & Managing Director · Published October 2, 2026 · Last reviewed October 2, 2026

The Short Version

A profit and loss statement shows activity over a period.

A balance sheet shows assets, liabilities and equity at a point in time.

Profit and cash can differ, so read both.

Dependable reports start with reconciled records.

What a Profit and Loss Statement Shows

The profit and loss statement summarizes income and expenses over a period, such as a month or year. It helps you ask which services generated income, what it cost to operate, and whether the business reported a profit or loss for that period.

The accounting basis matters. Revenue and expense timing may differ between cash and accrual records, so compare reports prepared on a consistent basis.

What a Balance Sheet Shows

The balance sheet reports assets, liabilities, and equity at a particular date. Assets include resources such as cash and, where applicable, customer receivables. Liabilities include obligations such as loans and unpaid bills. Equity reflects the remaining interest after liabilities.

A Simple Illustration

Assume a service business reports $6,000 of income and $3,500 of expenses for a period. Its profit and loss statement shows a $2,500 profit.

At period end, assume it has $4,000 of cash and $2,000 of receivables, for $6,000 of assets. With $1,500 of liabilities, equity is $4,500. The balance sheet balances: $6,000 of assets equals $1,500 of liabilities plus $4,500 of equity. These are hypothetical figures, not Lighthouse client results.

Why Profit and Cash Can Differ

An invoice may affect an accrual-basis profit report before the customer pays. A loan can increase cash while creating a liability. An owner withdrawal can reduce cash without being an ordinary business operating expense.

Those differences are why the bank balance cannot answer every question about performance.

Questions to Ask Each Month

What changed in income or expenses? Are customer balances growing? Did debt or owner activity change? Are the accounts reconciled? Are any records missing? Compare periods consistently and investigate unusual movements rather than reading the totals alone.

Start With Dependable Records

Reports are only as useful as the information behind them. Lighthouse helps organize bookkeeping records, reconcile included accounts, and prepare the financial reports agreed in your plan. Explore reporting support or monthly bookkeeping if you need a more consistent routine.

Why Profit and Cash Can Differ

Consider a month in which a service business earns $6,000 in invoices and spends $3,500, but only collects $4,000 from customers.

MeasureAmountHow it is calculated
Profit for the month$2,500$6,000 income less $3,500 expenses
Cash collected$4,000Payments received from customers
Change in cash$500$4,000 collected less $3,500 paid
Unpaid customer invoices$2,000$6,000 billed less $4,000 collected
Hypothetical example. The figures above are invented to illustrate the idea and do not describe a real client.

Common Questions

Which report shows whether I made money?

The profit and loss statement summarizes income and expenses over a period.

Why can a profitable business still run short of cash?

Timing matters: customers may pay later than bills are due, and some spending, such as loan principal payments, is not an expense on the profit and loss statement. The balance sheet and a cash view help show this.

How often should I review these reports?

Monthly is a common rhythm. Reviewing at the same time each month makes changes easier to notice.

Are these examples real clients?

No. The numbers in the guide are hypothetical and labeled as such.

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Illustration of colleagues reviewing profit and loss and balance sheet reports

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