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Accounting Tips
How to Read a Profit & Loss Statement (Without Being an Accountant)

For many business owners, the Profit & Loss (P&L) statement feels like something only a CPA should touch. It’s full of line items, terms, and numbers that often raise more questions than answers.

But here’s the truth: If you want to run a healthy, profitable business — you need to understand your P&L. And you don’t need to be an accountant to do it.

At FinSouthern, we help business owners make sense of their numbers — not just at tax time, but every single month. This guide will show you how to confidently read your P&L and use it to make better financial decisions.

What Is a Profit & Loss Statement?

A Profit & Loss statement (also called an Income Statement) shows your business’s financial performance over a period of time — usually a month, quarter, or year.

It answers one critical question: Did we make money — or lose money — during this time?

It does that by showing three core components:

  • Revenue (money coming in)
  • Expenses (money going out)
  • Profit (what’s left over)

The 5 Key Sections of a P&L

1. Revenue / Sales

This is the total income your business brought in before any expenses.

Why it matters: Revenue shows your business’s ability to generate income. But high revenue alone doesn’t mean you’re financially healthy — it’s just the starting point.

2. Cost of Goods Sold (COGS)

These are the direct costs of producing your product or delivering your service. Think materials, labor, packaging, production, and shipping.

Why it matters: Subtracting COGS from revenue gives you Gross Profit — a critical metric that tells you whether your core business model is profitable.

3. Gross Profit & Gross Margin

Gross Profit = Revenue – COGS Gross Margin = (Gross Profit ÷ Revenue) × 100%

Why it matters: Gross margin shows how efficiently your business delivers value. Declining margins are often an early warning sign of pricing problems, inefficiency, or rising costs.

4. Operating Expenses

These are the recurring costs to run your business — salaries, rent, marketing, software, insurance, and more.

Why it matters: Understanding which expenses are fixed vs. variable helps you control costs and plan for scaling.

5. Net Profit (or Loss)

This is your bottom line: Net Profit = Revenue – COGS – Operating Expenses

Why it matters: Net profit shows whether your business is truly profitable after all costs. A growing company with negative or shrinking net profit needs to examine its spending and margins.

Common P&L Red Flags

These are signals we often uncover during monthly reviews with clients:

  • Rising revenue, but declining net income
  • Increasing overhead with stagnant sales
  • Misclassified or inconsistent expenses
  • No clear breakdown of income by product or service

How to Use Your P&L as a Decision-Making Tool

Once you know how to read your P&L, it becomes one of your most valuable management tools.

Here’s how our clients use it:

  • Monthly financial check-ins to monitor performance
  • Compare actuals against budget or forecasts
  • Spot overspending early
  • Understand margin performance across service lines
  • Prepare for funding, lending, or investor updates

How FinSouthern Helps

At FinSouthern, we don’t just deliver reports. We deliver understanding.

With our fractional CFO and accounting support, we:

  • Build clear, custom monthly P&L reports
  • Review financials with you in plain language
  • Help you forecast more accurately
  • Align your business goals with financial clarity
  • Give you the confidence to make high-impact decisions

If your P&L feels like a puzzle — we’ll help you solve it.

Let’s simplify your numbers and strengthen your strategy. Connect and DM to talk to our experts.