Economics
How much do missed calls cost service businesses?
The honest answer is: more than most owners realize, and almost always more than the cost of preventing them. The trick is putting concrete numbers on it. Here's how to estimate the cost for your specific shop, and why the math tends to surprise people.
Step 1: estimate your missed-call volume
Most service businesses underestimate this number badly. Front-desk staff naturally focus on calls they did catch, not the ones that hit voicemail during lunch, on the second line during a busy hour, or after closing.
A reasonable baseline: small shops (1–5 trucks) miss 30–80 calls per week. Mid-sized shops (5–20 trucks) miss 80–250. Larger operations with active marketing spend can miss several hundred per week without realizing it.
Step 2: estimate the value of a captured call
Not every captured call becomes a booked job. A reasonable assumption for residential service is that 40–60% of inbound calls are bookable work; the rest are existing-customer inquiries, vendors, wrong numbers, and shoppers who don't convert.
Of the bookable calls, average ticket varies by vertical:
- Plumbing residential service: $350–$750 average ticket, with emergency tickets pulling the average up.
- HVAC residential service: $250–$650 average ticket; system replacement leads, when they happen, are $7,000+.
- Electrical residential service: $200–$600 average ticket; panel work is $1,800+.
- Roofing repair: $500–$2,500 average; full re-roof is $9,000–$25,000+.
Step 3: multiply by recovery rate
Not every missed call can be recovered. Even with instant SMS text-back, some callers won't reply, will book with whoever they called next, or weren't bookable to begin with.
A realistic recovery rate for missed-call SMS systems is 15–30% of missed calls becoming engaged conversations, with a subset of those converting to booked work at roughly the same rate as your normal inbound close rate.
A worked example
Take a five-truck plumbing shop missing 60 calls per week. Assume 50% are bookable (30 per week), average ticket $450, and a 20% recovery rate (6 booked jobs per week from previously missed calls).
Six recovered jobs × $450 = $2,700 per week, or roughly $11,700 per month in recovered revenue. Against a flat monthly subscription, the payback ratio is enormous.
Even cutting every assumption in half — 30 missed calls, 10% recovery — the recovered revenue dwarfs the cost.
The short version
For most service businesses, missed calls represent five-figure monthly revenue exposure. Even modest recovery rates produce returns that dwarf the subscription cost of a text-back system.
See how SecondDesk handles this
Instant SMS response, branded intake, and an operator inbox built for service businesses.