Gross Margin & Marketing for Home Services Businesses
Gross margin is the share of a job’s revenue left after the direct cost of delivering it, such as labor, materials and equipment. For marketing, it shows how much room a job leaves for acquisition, overhead and profit, helping the business set what it can afford to spend to win another one.
Two jobs can bring in the same revenue and leave very different room for marketing:
Same ticket, different room to spend
Illustrative figures only, not a benchmark. Gross profit isn’t the acquisition budget. Acquisition has to fit inside it, alongside overhead and profit.
Average ticket tells us what came in. Gross margin tells us what was left. What’s left helps determine how much the business can afford to spend winning the next job. Most owners know roughly what they make on a job, and that’s where we start. Because that figure is often markup rather than margin, we confirm which one it is before it’s used to plan the marketing.
On this page
- What Gross Margin Is and Isn’t
- How Gross Margin Is Calculated
- Why Margin Needs to Be Measured by Service
- The What’s Left Framework
- From Gross Margin to an Acquisition Ceiling
- Completing the Average Ticket Example
- Measuring Against the Ceiling
- Gross Margin Mistakes We See
- Related Resources
What Gross Margin Is and Isn’t
Gross margin measures what a job leaves. It doesn’t measure what the business keeps.
Illustrative figures only, not a benchmark.
What it is:
- After the job’s own costs. Labor, materials and equipment for that job have been taken out.
- Before the cost of running the business. Rent, office staff, insurance, vehicles and marketing haven’t been taken out yet.
- Defined by the business. Which costs count as direct can vary with how a business keeps its books, so we use the client’s own definitions rather than imposing ours.
What it isn’t:
It isn’t net profit, and it isn’t a budget. It’s one step in a sequence of measures:
- What the job brought in (Average Ticket & Marketing)
- What it left (this guide)
- What winning it cost (Cost per Booked Job, Customer Acquisition Cost)
- What the marketing returned (Marketing Return on Investment)
Two other neighbors matter here. Revenue Attribution connects revenue to the marketing that produced it, which margin analysis by source depends on. Marketing Budgeting sets how much the business spends overall.
How Gross Margin Is Calculated
Start with the dollars, then turn them into a percentage.
The formulas
Gross profit = job revenue − direct job costs
Gross margin = gross profit ÷ job revenue
Example: $2,000 revenue − $800 direct costs = $1,200 gross profit. Then $1,200 ÷ $2,000 = 60% gross margin.
Marketing decisions mostly use the dollar figure, because that’s what acquisition cost has to fit inside. The percentage is more useful for comparing one service with another.
Margin vs. Markup
Many owners quote markup when asked about margin, and the two are easy to confuse. Markup measures profit against cost. Margin measures it against the selling price. The same job produces two different percentages.
Example: a job that costs $100 to deliver and sells for $130.
- Markup: $30 ÷ $100 = 30%
- Gross margin: $30 ÷ $130 = 23.1%
| Markup | Equivalent gross margin |
|---|---|
| 25% | 20% |
| 30% | 23.1% |
| 50% | 33.3% |
| 100% | 50% |
The difference matters for marketing. If a 30% markup is treated as a 30% margin, the business looks as if it has more room to spend on winning work than it really does.
How Riley Summers helps: Before an owner’s figure goes into the plan, we confirm whether it’s margin or markup, then convert it into gross profit dollars per job, by service where the owner can give it. That dollar figure is what any acquisition ceiling has to fit inside.
Why Margin Needs to Be Measured by Service
A company-wide margin can hide the same problem as a company-wide average ticket. A business might report a 45% gross margin overall, with very different numbers underneath:
| Service | Gross margin |
|---|---|
| Service A | 70% |
| Service B | 48% |
| Service C | 22% |
| Whole business | 45% |
Illustrative figures only, not a benchmark.
Plan the marketing around 45% and Service C looks as if it has twice the room for acquisition that it really does, while Service A looks tighter than it is. For HVAC, for example, service work and installs often carry very different margins, so treating them as one figure blurs exactly the decision the marketing needs to make.
Where the owner knows margins by service, even roughly, we plan around those instead of the blended figure.
The What’s Left Framework
The What’s Left Framework is how we turn an owner’s margin into a working limit for the marketing. It has four stages: find the margin by service, turn the margin into dollars, set the acquisition ceiling, and measure against the ceiling.
- Find the Margin by Service
- Turn the Margin Into Dollars
- Set the Acquisition Ceiling
- Measure Against the Ceiling
1. Find the Margin by Service
We start from the figure the owner knows, confirm whether it’s margin or markup, and break it down by service where they can. We use the client’s own definitions of direct cost.
2. Turn the Margin Into Dollars
Margin multiplied by average ticket gives the gross profit a typical job leaves, service by service. A 60% margin on a $2,000 job leaves $1,200. A 25% margin on the same job leaves $500.
3. Set the Acquisition Ceiling
Few owners have a ceiling in mind, so we work it out with them: start from the gross profit a job leaves, set aside what the business needs for overhead and profit, and what remains is the most worth spending to win the job. The final number is the owner’s call. The next section walks through it.
4. Measure Against the Ceiling
We report the marketing side of acquisition cost every month: media spend and our fees, with the tools billed directly to the client. The owner adds their own sales and production costs. Where they share sold jobs by service, the full figure per job can be set against the ceiling for each service, so a service drifting above its limit is spotted early.
How Riley Summers helps: The ceiling is the owner’s decision, not ours. Our management fee is flat, so we have no stake in the ceiling being set higher. Our job is to keep acquisition cost inside it, and to raise it with the owner when the numbers show a service moving above it.
From Gross Margin to an Acquisition Ceiling
Gross profit isn’t the acquisition budget. It has to cover overhead and profit as well. The ceiling is what’s left once those are set aside.
Illustrative figures only, not a benchmark. One illustrative replacement job.
There’s no universal percentage of gross profit a home services business should spend on acquisition. The right ceiling depends on the business’s overhead, the profit the owner wants, how much risk they’ll accept, and how much they want the work. That’s why the final number is the owner’s call.
Two definitions keep the ceiling honest:
- It’s set per sold job. That’s the unit the marketing is planned around.
- It covers the full cost of winning the job, not just the marketing. Customer Acquisition Cost sets out every layer: media, agency fees and tools, production, and the business’s own sales costs, such as estimator time and commissions. All of them have to fit under the ceiling. Cost per Booked Job counts media spend only, so comparing it with the ceiling on its own would understate the real cost.
For recurring work, a first-job ceiling isn’t always the same as a customer ceiling. A pest control customer’s first visit may leave little, while the plan that follows leaves far more. Whether to allow for that is the owner’s decision. Average Ticket & Marketing covers the difference between the first job and the customer.
How Riley Summers helps: Few owners have this number when we start. Working it out together gives the marketing a clear limit, and gives the owner a way to evaluate us that has nothing to do with clicks or impressions.
Completing the Average Ticket Example
The Average Ticket & Marketing page showed three services, and stopped short of saying whether their acquisition costs were affordable. Margin answers that question.
| Service | Average ticket | Cost per sold job | Cost as % of ticket | Gross margin | Gross profit per job | Owner’s ceiling | Result |
|---|---|---|---|---|---|---|---|
| Service A | $350 | $90 | 26% | 65% | $228 | $120 | Inside the ceiling |
| Service B | $1,400 | $240 | 17% | 40% | $560 | $300 | Inside the ceiling |
| Service C | $6,500 | $750 | 12% | 18% | $1,170 | $600 | Above the ceiling |
Illustrative figures only, not a benchmark. Each ceiling is what the owner chose to allow after setting aside overhead and profit.
On the Average Ticket page, Service C looked like the most efficient to win, because its acquisition cost was the smallest share of its ticket. Once margin is added, it’s the only service above its ceiling. A thin margin leaves less room, even on a large job. Service A, the most expensive to win as a share of ticket, sits comfortably inside its limit.
The lowest acquisition cost as a share of revenue doesn’t necessarily mean the best acquisition economics.
Do you know what you can afford to spend to win a job?
We’ll review your current marketing costs and, if you share what your jobs typically make, help you work out what each service can afford to spend on winning the next one.
Measuring Against the Ceiling
Once each service has a ceiling, the question becomes whether the cost of winning its jobs stays under it. That’s tracked service by service, never as one blended figure, because each service has its own ceiling.
| Service | Owner’s ceiling | Quarter 1 | Quarter 2 | Status |
|---|---|---|---|---|
| Service A | $120 | $90 | $105 | Inside the ceiling, but rising |
| Service B | $300 | $240 | $320 | Moved above the ceiling |
| Service C | $600 | $750 | $640 | Above the ceiling, but improving |
Illustrative figures only, not a benchmark. Each figure is the full acquisition cost per sold job.
Service B is the one to act on. It moved from comfortably inside its ceiling to above it in a single quarter. That could mean competition rose, the campaign needs tightening, or more estimates are needed to close each job. Service C is still above its ceiling but moving the right way.
The ceiling itself needs rechecking whenever prices or job costs change. If material costs rise and the margin falls, the room for acquisition shrinks too, even if nothing in the marketing changed.
We report the marketing side of acquisition cost every month. The full comparison against each ceiling depends on the owner sharing their sold jobs and sales costs. We review it with the client annually, or monthly for clients on enhanced reporting. Customer Acquisition Cost and Marketing Return on Investment cover how those figures are built and what they show.
Gross Margin Mistakes We See
These are the mistakes we most often find when a business works out what it can afford to spend on winning work.
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Setting acquisition targets from revenue. The target is based on what a job brings in, not what it leaves.
What we do instead: We start from the gross profit a job leaves, service by service.
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Treating gross profit as the marketing budget. All of what a job leaves gets treated as room to spend, with nothing set aside for overhead or profit.
What we do instead: We work out the ceiling with the owner after overhead and profit are set aside.
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Mistaking markup for margin. A 30% markup gets planned as a 30% margin, and the business looks as if it has more room to spend than it does.
What we do instead: We confirm which figure the owner is quoting before it goes into the plan.
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Using one margin for every service. A blended figure makes thin-margin work look more affordable to win than it is.
What we do instead: Where the owner knows margins by service, even roughly, we plan around those.
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Comparing ad spend alone against the ceiling. Fees, tools and the business’s own sales costs are left out, so acquisition looks cheaper than it is.
What we do instead: We report the full marketing side, and the owner adds their sales costs, so the whole cost is set against the ceiling.
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Assuming a bigger ticket leaves more room. A large job with a thin margin can leave less room for acquisition than a smaller job with a healthy one.
What we do instead: We compare gross profit dollars per job, not ticket size.
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Leaving the ceiling unchanged when costs move. Prices or material costs change, and the ceiling stays where it was.
What we do instead: We recheck the ceiling with the owner when prices or job costs change.
Related Resources
About The Author
Mark Riley is a marketing executive and the founder of Riley Summers Marketing Group, where he leads customer acquisition strategy for home services businesses across paid search, Google Local Services Ads, local SEO and paid social media. He rose to VP of Digital at a national legal-marketing agency, where the digital programs he led generated a significant share of its revenue. Over a 15+ year career, he has managed more than $70 million in digital advertising spend, much of it in one of the most expensive and competitive advertising categories in North America. He measures marketing by what it costs to win a booked job, not by traffic or lead volume.