How to Increase Profit Margins in a Service Business

Know your true cost per hour

Most owners think they know their cost per hour. They are usually wrong, and the error is always in their favor.

Real cost per hour includes wages, payroll taxes, workers comp, vehicle, fuel, tools, insurance, software, office costs, and your own time on admin. For a typical solo tech this works out to $40 to $60 per hour fully loaded. For a tech with a truck and benefits it is $60 to $100.

If you are billing labor at $90 an hour and your true cost is $85, you are basically breaking even. Then one bad month wipes you out.

Raise prices every year

Inflation, fuel, insurance, parts costs. Everything goes up every year. Your prices should too. Five to ten percent annually is normal and customers expect it.

The trick is to do it once a year on a set date, communicate it clearly to existing customers, and just move forward. The owners who never raise prices are the ones whose margins shrink every year until they are working for nothing.

Stop discounting

Discounts are profit margin you handed away. A 10 percent discount on a $500 job is not just $50 off. It is often half of your gross profit on that job.

If you have to compete on price, compete with bundling instead of discounting. A free tune-up with a repair costs you less than a 10 percent off. Customer feels like they got something. You kept your margin.

Cut unprofitable customers

Every service business has 5 to 15 percent of customers who are not worth the trouble. They argue every invoice. They request callbacks for problems they caused. They pay late. They give you stress.

Run a report on who pays late or pushes back the most. Politely fire them. Refer them to a competitor you do not like. Your margin goes up immediately because you are not absorbing the cost of dealing with them.

Cross-sell maintenance plans

Every existing customer is a candidate for an ongoing service agreement. Maintenance plans, recurring service, annual inspections. These accomplish three things:

• Predictable revenue. You know what is coming in next month.
• Higher margin. Repeat customers cost less to serve.
• Customer retention. They stay with you because they are already paying for a relationship.

A goal: 20 to 30 percent of revenue should come from recurring or repeat business if you are doing this right.

Reduce no-shows

A no-show is two hours of paid labor and fuel with no revenue. If your no-show rate is even 5 percent, that is real money.

Confirm every appointment the day before by text. Charge a service call fee that has to be paid before you dispatch on high-risk jobs (out-of-network customers, after-hours calls). Most no-shows disappear when there is some skin in the game.

Watch the small leaks

• Material waste. Track what you bring back vs what gets used.
• Unbilled time. Work you did that never made it to an invoice.
• Forgotten line items. Small parts and add-ons that get left off the bill.
• Discounting at the truck. The tech who reflexively knocks $50 off to be nice.

These look small one at a time. Add them up across a year and they often equal 5 to 10 percent of revenue. That is straight profit you are throwing away.

Track every dollar

You cannot improve margin you do not measure. At minimum, run these reports monthly:

• Revenue by service category.
• Gross margin by job type.
• Labor as a percentage of revenue.
• Materials as a percentage of revenue.
• Outstanding receivables.

You do not need fancy tools. A simple monthly summary in a spreadsheet works. The point is to actually look at it.

Closing thought

Profit margin is built in small decisions you make every day. Charge a little more. Cut a little waste. Keep the good customers. Drop the bad ones. Do that consistently for a year and your bottom line transforms.

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