2 min read
From revenue to gross profit
The profit and loss (P&L) starts with revenue — sales made in the period, whether or not paid yet. Subtract the direct cost of goods sold and you get gross profit, which shows how much each sale contributes before overheads. The gross margin is that as a percentage.
From operating profit to the bottom line
Take off overheads — rent, salaries, admin — and you reach operating profit, the profit from trading itself. Deduct interest and tax and you have net profit, the bottom line that belongs to the company. Each level answers a different question about where money is made or lost.
Why profit is not cash
The P&L records a sale when it is made, not when it is paid. A business can show a healthy profit while its cash is stuck in unpaid invoices or tied up in stock. That gap between profit and cash is why profitable companies still need working-capital finance — see the cash-flow statement.
Reading trends, not just totals
One month's P&L tells you little; the trend tells you everything. Watch whether margins are holding, whether overheads are creeping, and whether growth in revenue is turning into growth in profit. Falling margins on rising sales is a classic warning.
Turn insight into action
Use the P&L to decide where to cut, where to invest, and whether growth is worth funding.
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Read reading your balance sheet next.Frequently asked questions
What is the difference between gross and net profit?
Gross profit is revenue minus the direct costs of what you sold. Net profit is what remains after all overheads, interest and tax. Gross shows product economics; net shows whether the whole business made money.
Can a profitable company go bust?
Yes — it is common. Profit is recorded when a sale is made, but the business needs cash to pay bills. If cash is locked in unpaid invoices or stock, a profitable company can still fail to meet its obligations.
How often should I review my P&L?
Monthly is ideal for a trading business. Reviewing management accounts each month lets you catch margin slips and cost creep early, while there is still time to act.
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