Almost every service business evaluates marketing the same way: cost of the lead against the revenue of the first job. That comparison is the reason good lead sources get cancelled and bad ones get expanded. The first job is not what you bought. You bought a customer, and the difference between those two numbers is usually large.
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The comparison that kills good marketing
Lead costs $95. First job is worth $340. That looks like a 28% acquisition cost and most owners flinch.
So the expensive source gets cancelled and the cheap one gets expanded — and the cheap one brings price shoppers who never come back, while the expensive one was bringing customers who would have stayed six years.
What you actually bought. Not a job. A customer. If that customer returns 1.4 times a year for five years, the $340 was never the relevant number — $2,380 was.
Calculating it from what you have
Three numbers, all already in your system:
- Average ticket. Total revenue divided by number of jobs.
- Frequency. How many times a typical customer buys in a year.
- Retention. How many years before they stop calling.
Multiply the three for gross lifetime revenue, then multiply by gross margin for lifetime value.
$340 × 1.4 × 5 = $2,380. At 45% margin, roughly $1,070 of lifetime value per customer.
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What one point of retention is worth
Retention is the cheapest of the three to move and the one most owners ignore.
Raising the ticket meets price resistance. Raising frequency requires the customer to need you more, which you rarely control. Retention responds to things that cost nothing: showing up when you said, following up after the job, remembering what you did last time, making it easy to book again.
One additional year of average retention on the numbers above adds about $476 of gross revenue per customer. Across 400 customers, that is $190,000 — with no acquisition cost attached.
What changes once you know
Three decisions stop being arguments and become arithmetic: what you can pay for a lead, whether a discounted first visit makes sense, and whether a difficult customer is worth keeping.
It also explains competitors who seem to outspend irrationally. They are not reckless. They are working from a different number — and that gives them access to lead sources everyone else abandoned as too expensive.
Two businesses, same ticket
Both have a $340 average ticket and spend $95 per acquired customer.
- Business A has no follow-up. Customers average 1.1 jobs a year for 2 years: $748 gross lifetime.
- Business B follows up and books the next visit before leaving. 1.6 jobs a year for 5 years: $2,720 gross lifetime.
Same trade, same price, same market. Business B can pay three times more for a customer and still earn more per dollar spent — which is why, within two years, it owns the lead sources A could not afford.
Find out what a customer is actually worth to you
Send us your average ticket, how often customers return and how long they stay. We will calculate what you can afford to pay for one.
Frequently asked questions
How do you calculate customer lifetime value in a service business?
You need three numbers and you almost certainly have all of them. Average ticket, which is total revenue divided by number of jobs. Purchase frequency, meaning how many times a typical customer buys from you in a year. And retention, meaning how many years a customer stays before they stop calling. Multiply the three and you have gross lifetime revenue; multiply that by your gross margin and you have lifetime value. A business with a $340 average ticket, 1.4 jobs per year and a five year average relationship has roughly $2,380 of gross lifetime revenue per customer. If the margin is 45%, the lifetime value is about $1,070. That is the number marketing should be measured against — not the $340.
Why does lifetime value change what you pay for a lead?
Because it changes what you can afford. A business measuring against a $340 first job will refuse to pay $200 for a customer, since that looks like more than half the revenue gone. The same business measuring against $1,070 of lifetime value can pay $200 comfortably and still keep a healthy return. This is why competitors sometimes seem to outspend irrationally on advertising: they are not being reckless, they are working from a different number. The practical effect is that businesses which understand lifetime value can outbid everyone for the same customer and still be profitable, which over time gives them access to lead sources their competitors have abandoned as too expensive.
What improves lifetime value fastest?
Retention, almost always, and it is also the cheapest to improve. Raising the average ticket requires pricing or selling more per visit, both of which meet resistance. Increasing frequency requires the customer to need you more often, which you rarely control. Retention, however, responds to things that cost almost nothing: showing up when you said you would, following up after the job, remembering what you did last time, and making it easy to book again. One additional year of average retention on a business with a $340 ticket and 1.4 jobs a year adds roughly $476 of gross revenue per customer — across a few hundred customers that is a larger gain than most marketing campaigns produce, with no acquisition cost attached.