Most service business owners run on one number: the bank balance. If the account looks full, the month feels good. If it looks thin, the month feels slow. That is not management. That is guessing.

Here is the problem. It is not that you ignore your numbers. The problem is that no one showed you which numbers carry the real story. So you hire an employee based on your gut feel. You open a line of credit thinking it will help with cash flow. You buy another piece of equipment or company vehicle. Pause! Don’t keep guessing or winging it.

This article gives you the ten numbers that end the guessing. These are not formulas built for accountants. They are the numbers that give you plain answers about your own business. Track them, and you will know how healthy you are, where the leaks are, and what to do next.

 

Why Do Most Owners Skip These Numbers?

Most owners skip these numbers because they are busy, not because they are careless. You run the business, serve clients, manage people, and put out fires. Slowing down to study a report rarely makes the daily list.

There is a deeper reason too. Many owners who want to look at their numbers cannot. Their books are not clean. Their reports are not reconciled. Garbage in equals garbage out. If your bookkeeper does not deliver reconciled reports every month, you cannot pull a single one of these numbers with confidence.

The owners who do slow down, gain something their competitors lack. It is not confidence built on a feeling. It is confidence built on facts. They know what they can afford. They know what works. They know what to change.

The 10 Numbers That Show Your Business Health?

1. Cost of Carrying Debt

What it is: the full monthly cash your debt pulls out, principal plus interest, not the interest alone.

Most advisors treat debt as a given. It is so normal in business that few owners add up what it truly costs. Your real cost is every loan payment leaving your account each month.

Here is why that matters. Some service businesses pay between $8,000 and $12,000 a month in total debt payments. That is money you could save, reinvest, or keep.

Finance a truck or a piece of equipment, and you pay the sticker price plus years of interest. The final cost runs higher than it looked on the day you signed.

Track this every month. Add up every payment. Then ask what that freed cash would do for you.

 

When the Federal Reserve raised rates in 2022 and 2023, small business interest payments jumped 60 percent, and delinquencies climbed to a high of 2.8 percent.

— National Bureau of Economic Research, Credit Cards and the Financing of Small Businesses (2025)

 

 

2. Gross Revenue and Net Revenue

What it is: gross is total sales before costs; net is what remains after every expense.

Owners love to celebrate gross and forget to check net. A strong sales month can still leave you with little once the bills clear.

We see it often: two owners with the same top line, and only one has money left over. Watching both numbers, month over month and year over year, shows whether you are moving forward or running in place.

3. Gross Profit Margin and Net Profit Margin

What it is: margins turn your dollars into percentages so you can compare any period to another.

Gross profit margin is what remains after cost of goods sold, shown as a percent of gross revenue. Net profit margin is the percent you keep after every expense.

Percentages let you compare seasons even when revenue moves.

A 20 percent net margin last year against 12 percent this year tells a real story, even if total sales climbed. A falling margin on rising revenue is one of the first signs we flag in a review.

4. Cost of Goods Sold

What it is: for a service business, the total cost to deliver your service.

This one surprises owners more than any other when they first see it broken out. It can include the labor tied to delivery, the software the work requires, subcontractors, and materials.

If you do not know what delivery costs you, you cannot know if your price is right.

You may be charging enough to look busy and not enough to be profitable.

5. Payroll as a Percentage of Expenses

What it is: the share of your total expenses that goes to payroll, not the raw dollar figure alone.

For most service businesses, payroll is the largest cost after delivery. The percentage matters most when you are weighing a hire.

One client wanted to bring on an outside salesperson. We looked at the payroll share next to cash flow, and the real picture surfaced. They could afford a part-time placement through an HR agency, nothing more. That call saved them from overextending. They got the help they needed at a cost they could carry.

Without the number, that hire could have forced a layoff months later.

6. Lead Acquisition Cost

What it is: what you spend to win one new customer.

The formula is simple. Take your total advertising and marketing spend for a month. Divide it by the number of leads that same month. Look at it quarterly if monthly runs too noisy.

Most owners have never calculated this once. When they do, the number often changes how they spend. It tells you whether your marketing earns its keep.

It also tells you how much a new client must generate before you break even.

7. Repeat Business Percentage

What it is: the share of revenue that comes from existing clients returning.

Can you sell to the same client again through new services, packages, or maintenance plans? Or is every sale one and done?

A high repeat percentage means lower acquisition cost and steadier cash flow. If almost every dollar comes from new clients, you are filling a leaky bucket every month.

8. Best Sellers Breakdown

What it is: your revenue split by service, so you can see what drives income.

Most owners read total revenue and stop there. Break it down, and you often find one or two services carrying the load while others barely earn their place. The breakdown also exposes risk. If 80 percent of revenue rides on one service, that is a vulnerability worth naming before it bites.

9. Owner’s Draw

What it is: the cash you pull from the business each month.

Some owners take a set salary, which makes this easy to see. Others pull a little here and a little there and never total it. If that is you, you may be draining the business without knowing. The company looks like it should hold cash, yet somehow never does.

Tracking your draw ties your personal spending to the health of the business. This is not about judging the amount. It is about seeing it.

10. Monthly Carrying Cost

What it is: the minimum you need every month to cover all bills and delivery costs.

This is your floor. It is the number you must clear to keep the lights on. Know it, and you have a clear target.

You also spot trouble fast. If revenue dips and you know your carrying cost is $22,000 a month, you know your runway and your next move.

Without it, you are watching the balance and hoping.

 

What Has to Be True Before These Numbers Work?

None of these numbers mean anything if your books are not clean. Your balance sheet and profit and loss must be accurate and fully reconciled every month. This is not optional. Garbage in equals garbage out. If your bookkeeper is not delivering reconciled reports on a monthly basis, start there.

A few of these numbers need more than QuickBooks.

Lead acquisition cost and repeat percentage pull from your CRM or lead tracking too. So tracking where leads come from, and what they buy, has to become a habit.

How Often Should You Review These Numbers?

Review them every month and every quarter, without exception. Tracking is not a one-time event. It is a habit.

The owners who gain the most sit down with their numbers on a schedule. They study past, present, and forward projections. They write goals around what they see. They compare periods so they catch trends before they become crises.

That consistency is what most owners miss. Not the knowledge of what to track. The habit of doing it. This is where monthly advisory earns its place. A good firm does not hand you a report and walk away. It sits with you, walks the story behind the numbers, and helps you decide your next move.

Who Should Skip This Approach?

Skip this if you are not willing to look at your own numbers. This approach asks one thing of you above all. You have to engage with what the numbers say, not hand them off and look away.

It is a poor fit for owners who decide by gut, by bank balance, or by how things used to be.

It is a poor fit for owners who will not spend time with their numbers. If that is you today, that is okay. This article will not help you until that changes. For everyone else, these ten numbers are the clearest path to running on facts instead of feelings.

What Should You Do This Week?

Before you open a spreadsheet, write down what you do not know. Make a simple list.

• What questions about your finances can you not answer right now?
• What do you wish you knew?

That list is your starting point. It tells you which of these ten numbers matters most to you today. Start there.

Frequently Asked Questions

What is the most important financial metric for a service business?

There is no single answer, because it depends on your goal this quarter. If cash feels tight, start with monthly carrying cost and owner’s draw. If growth is the goal, start with margins and lead acquisition cost.

How often should I track these numbers?

Review them monthly and quarterly. Monthly catches problems early. Quarterly reveals the trend. Owners who check only once a year almost always miss a shift while they still had time to fix it.

Can I track these numbers myself in QuickBooks?

You can pull most of them from clean, reconciled QuickBooks reports. Lead acquisition cost and repeat percentage need CRM or lead data too. The one requirement is accurate books. Without reconciliation, every number is unreliable.

Why does my business feel broke when sales are strong?

Usually one of three numbers explains it: a rising cost of goods sold, a heavy debt payment, or an untracked owner’s draw. Strong gross revenue hides all three until you look at net.

Do I need an accountant to use these metrics?

No, but you do need accurate books and someone to walk the story with you. Many owners track the numbers and still miss what they mean. Monthly advisory closes that gap.

The Bottom Line

You do not need more hours in the day to run your business on facts. You need ten numbers and clean books behind them. Know them, and the guessing stops. You will decide on evidence, not gut. You will know where you stand, where to go, and what it takes to get there.

If you want a clear starting point, our 75-Point Diagnostic Review shows you exactly where your books stand and which of these numbers you can trust today. It is built for you, the owner, to see the truth about your finances. It is not a sales pitch. Start there, then decide your next move.

Want to go deeper first? Read When Basic Bookkeeping Is No Longer Enough to see whether your books have quietly fallen behind your growth.