The real numbers · Updated May 2026
Voicemail costs nothing to have. That’s why most tradies use it — it’s already on the phone, it’s free, and it feels like a safety net. Callers leave a message; you ring them back when you’re done on the job.
The problem is that 62% of callers never leave that message.They hear the beep, hang up, and ring the next plumber — or sparkie, or HVAC tech — on Google. By the time you check your voicemails at knock-off, the job is gone. Most of those callers don’t even show up as a missed call notification, because the number was private or they called from a different device.
Voicemail isn’t a backup plan. It’s a revenue leak.
Let’s put actual figures on it. Conservative assumptions: you miss 20% of inbound calls during work hours. Four missed calls per week. These are the industry averages.
Avg job
$350
Lost/week
$1,400
Lost/year
$72,800
Avg job
$400
Lost/week
$1,600
Lost/year
$83,200
Avg job
$1,200
Lost/week
$3,600 (3 calls)
Lost/year
$187,200
Avg job
$1,500+
Lost/week
$3,000 (2 enquiries)
Lost/year
$156,000
Avg job
$600
Lost/week
$2,400
Lost/year
$124,800
Conservative estimates. Doesn’t include referrals lost from each missed customer, which typically 2–3× the direct revenue impact.
It’s not laziness. There are three specific reasons callers don’t leave voicemails — and they all cost you money.
When a pipe bursts at 10pm, a homeowner isn't interested in leaving a message and waiting. They need a plumber. They'll ring until someone answers. Your voicemail greeting is just a signal to try the next number on the list.
Research consistently shows that the first business to respond wins 78% of the job. Callers aren't loyal — they're impatient. Within five minutes of a missed call, a lead is 21 times less likely to convert with you. By the time you listen to your voicemails at the end of the day, the window is long closed.
In 2026, people are conditioned to expect a real response. Voicemail feels like shouting into a void — especially for people who've left voicemails before and waited days for a callback that never came. They don't leave a message because they don't believe it'll lead anywhere.
Switching from voicemail to a proper answering service doesn’t just recover lost calls. It changes how your business operates.
Call goes to voicemail
Call answered in one ring, 24/7
62% of callers hang up
Every caller gets a response
You listen to messages at knock-off
Booking confirmed while on the call
You ring back — lead already booked
Calendar updated before call ends
Emergency at 10pm goes unanswered
Emergency paged to you immediately
Saturday enquiries missed on the job
Saturday booked, ready Monday
Based on recovering just one missed call per week at $350 average. Most tradies on our books recover significantly more.
Every call that hits your voicemail is a warm lead you’re handing to whoever answers next. BackOnTools picks up every call, books the job, and pages you for emergencies. Set up in seven days. No lock-in.
$197/month · Seven days to set up · Cancel any time
Industry data consistently shows that 62% of callers who reach voicemail hang up without leaving a message. For trades with urgent or competitive enquiries — plumbing, electrical, HVAC — this number is even higher. The caller simply rings the next number on Google.
At a conservative estimate of four missed calls per week at $350 average (plumbing), voicemail costs $72,800 per year in lost revenue. For HVAC at $1,200 average, three missed calls per week equals $187,200. These don't include referrals lost from each missed customer.
BackOnTools Starter is $197/month — $2,364/year. If it saves you one missed job per month, it's paid for itself. Most tradies make it back in week one. Voicemail is free to use and expensive to rely on.