What does a P&L show? A profit and loss statement (P&L, or income statement) shows the revenue a business earned, the costs and expenses it had, and whether it made a profit or loss over a specific period.
A profit and loss statement can look more complicated than it really is.
You may see:
revenue
cost of goods sold
gross profit
payroll
rent
advertising
insurance
software
operating expenses
net income
And if you are not used to reading financial statements, it can feel like a wall of numbers.
But a P&L is really trying to answer a few simple questions:
How much did the business earn?
What did it cost to generate that revenue?
What did we spend to operate the business?
What was left over?
Once you start looking at it that way, the report becomes much more useful.
What Is a P&L?
P&L stands for:
Profit and Loss Statement
It is also commonly called an:
Income Statement
The purpose of the report is to summarize the financial performance of the business over a specific period.
That period might be:
one month
one quarter
year to date
one full year
At a high level, the P&L shows:
Revenue – Expenses = Profit or Loss
But the real value is in understanding what happened between the top and bottom of the report.
Here is a simple illustrative P&L for one year:
Revenue: $100,000
Direct costs (often shown as Cost of Goods Sold): $40,000
Gross profit: $60,000 (60% gross margin)
Operating expenses: $45,000
Net profit: $15,000 (15% net profit margin)
Start With Revenue
Revenue is usually the first major section.
This tells you how much the business generated from selling its products or services.
A useful starting point is not simply:
“What was revenue?”
Ask:
Did revenue increase or decrease?
How does this month compare with last month?
How does this month compare with the same month last year?
Which products or services generated the most revenue?
Is growth consistent or uneven?
Is seasonality affecting the results?
Revenue tells you how much activity the business generated.
But it does not tell you how profitable that activity was.
Cost of Goods Sold Tells You What It Took to Deliver the Sale
Many P&Ls include a section called:
Cost of Goods Sold
or:
Cost of Sales
These are costs directly associated with delivering the product or service.
Depending on the business, that might include:
materials
inventory
subcontractor costs
direct labor
shipping
production costs
For example:
If a business generates:
$100,000 in revenue
and has:
$60,000 in direct costs
then gross profit is:
$40,000
That $40,000 now has to cover the rest of the business.
Gross Profit Tells You What Is Left Before Overhead
Gross profit is:
Revenue – Cost of Goods Sold
This is an important number because it tells you how much money remains after the direct cost of delivering what you sold.
If gross profit is shrinking even while revenue grows, something may be changing in:
pricing
labor
materials
discounts
vendor costs
product mix
That can be an early warning sign.
Gross Margin Makes the Number Easier to Compare
Gross margin turns gross profit into a percentage of revenue: Gross Margin % = Gross Profit ÷ Revenue × 100.
For example:
Revenue: $100,000
Gross profit: $40,000
Gross margin: 40%
That means the business keeps 40 cents of gross profit for every dollar of revenue before overhead.
This can be more useful than gross profit alone because it helps you compare performance across different periods.
If gross margin moves from:
45% → 42% → 39% → 36%
that trend deserves attention.
Operating Expenses Tell You What It Costs to Run the Business
After gross profit, the P&L usually shows operating expenses.
These may include:
payroll
rent
insurance
marketing
utilities
software
professional services
repairs
travel
office expenses
This section tells you what it costs to keep the business running beyond the direct cost of delivering the product or service.
A useful question is:
Which expenses are growing faster than revenue?
That is often where owners find opportunities to improve profitability.
Payroll Deserves Extra Attention
For many businesses, payroll is one of the largest expenses, which is why it helps to track payroll as a percentage of revenue.
If payroll rises from:
30% of revenue
to:
38% of revenue
the business may be becoming more labor-intensive.
That may be intentional.
Maybe you hired ahead of growth.
Maybe you added management.
Maybe revenue temporarily slowed.
The P&L does not tell you whether the change is good or bad.
It tells you that something changed.
Your job is to understand why.
Net Profit Is the Bottom Line
At the bottom of the P&L, you will usually see net income or net profit.
This tells you what was left after the expenses included in the report.
For example:
Revenue: $100,000
Total expenses: $92,000
Net profit: $8,000
That means the business produced an 8% net profit margin for that period.
But even net profit does not tell the whole story.
Profit Is Not the Same as Cash
This is one of the most important things to understand about a P&L — and the reason revenue can be up while cash in the bank is down.
The P&L shows profitability.
It does not necessarily show how much cash is in the bank.
A business can show profit while cash declines because of:
unpaid customer invoices
inventory purchases
equipment purchases
loan principal payments
owner distributions
taxes
So if the P&L says the business made money but the bank account feels low, that does not necessarily mean the report is wrong.
It means you need to look at cash flow too.
One Month Alone Can Be Misleading
A single P&L can tell you what happened during one period.
But trends usually tell you more.
Imagine net profit looks like this:
January: $15,000
February: $14,000
March: $9,000
April: $5,000
The business is still profitable.
But profitability is clearly moving in the wrong direction.
That is much more useful than simply looking at April by itself.
Compare Similar Periods
Seasonality matters.
If December is always your strongest month, comparing January to December may make January look terrible.
Instead, compare:
January this year vs. January last year
or:
Q1 this year vs. Q1 last year
That can give you a better understanding of whether the business is actually improving.
Your P&L Can Show Whether Growth Is Healthy
One of the most useful things a P&L can reveal is whether growth is translating into profit.
Suppose revenue increases:
20%
But payroll increases:
35%
And operating expenses increase:
30%
The business may be larger.
But it may also be less profitable.
This is why growth should not be measured only by sales.
Look for Changes in Percentages, Not Just Dollars
Dollar amounts matter.
Percentages add context.
For example:
Advertising may increase from:
$10,000 to $15,000
That sounds like a big increase.
But if revenue increased from:
$500,000 to $1,000,000
advertising actually declined from:
2% of revenue to 1.5%.
That tells a very different story.
Common percentages worth watching include:
gross margin
payroll percentage
marketing percentage
occupancy percentage
net profit margin
Your P&L Can Help You Spot Expense Creep
Some expenses rise slowly.
A little more software.
A few new subscriptions.
Higher insurance.
More overtime.
A slightly larger marketing budget.
None of those changes may look significant on their own.
But over time, they can reduce profit.
Comparing expenses month over month and year over year can help identify those trends before they become major problems.
Your P&L Can Help With Hiring Decisions
Suppose you are considering another employee.
Your P&L can help you understand:
current payroll
payroll as a percentage of revenue
current profit
available operating margin
how much additional expense the business can support
Then you can model:
What happens if payroll increases by $6,000 per month?
That is much more useful than deciding based only on whether the team feels busy.
Your P&L Can Help With Pricing
If revenue is growing but gross margin is shrinking, pricing may be part of the problem.
You may discover that:
material costs increased
wages increased
vendor pricing increased
shipping costs increased
discounts are too aggressive
The P&L can help you see when your pricing is no longer keeping up with your costs.
Your P&L Can Help With Budgeting
A good budget usually starts with historical performance.
Your P&L can help you estimate:
normal revenue
typical payroll
fixed costs
seasonal expenses
marketing
insurance
profit
That creates a baseline for planning the next month, quarter, or year.
Your P&L Can Help You Ask Better Questions
Instead of asking:
“How did we do?”
you can ask:
Why did gross margin decline?
Why is payroll increasing faster than revenue?
Why did insurance jump?
Which expenses are growing the fastest?
Why is profit lower even though sales are higher?
Are we spending more efficiently?
Is this month unusual or part of a trend?
Those questions turn the P&L from a report into a management tool.
What the P&L Does Not Tell You
A P&L is useful.
But it does not tell you everything.
It usually does not fully explain:
how much cash you have
how much debt you owe
what customers owe you
what you owe vendors
the value of equipment
owner equity
upcoming obligations
That information is usually found in other reports such as:
the balance sheet
cash-flow statement
accounts receivable reports
debt schedules
The P&L is one part of the financial picture.
Five Questions to Ask Every Time You Review Your P&L
You can make the report much more useful by asking:
Is revenue growing or shrinking?
Are margins improving or declining?
Which expenses changed the most?
Is payroll growing appropriately with revenue?
Is the business becoming more or less profitable?
Then ask one more:
Why?
That is usually where the real insight begins.
You Do Not Need to Be an Accountant to Understand It
A business owner does not need to memorize every accounting rule.
You do not need to know every account code.
You do not need to build the financial statements yourself.
But you should be able to look at a P&L and understand the story it is telling.
At its core, the report is showing:
What came in.
What went out.
What was left.
And how those numbers are changing.
That is information every owner can use.
Unpack Your Business Numbers
UnpackFi is designed to help business owners turn financial reports like the P&L into something easier to understand and use.
Instead of only looking at a page of numbers, you can explore revenue, expenses, margins, payroll, profitability, trends, break-even, goals, and forecasts in a more visual way.
Try the free UnpackFi demo at UnpackFi.com and see what your P&L may be telling you.