You're on a job. Phone rings. You're up a ladder or elbow-deep in a switchboard. The call goes to voicemail. You tell yourself you'll ring back at smoko. Half the time you do. Half the time you forget, or the punter's already rung someone else.

Most tradies think a missed call is just a missed call. It's not. It's a missed job, and when you add them up over a month, the number gets ugly fast. Let's work out what it's actually costing you.

The maths no one wants to do

Start with your average job value. If you're a sparkie doing mostly residential work, let's say that's $450. Plumber doing service calls and minor repairs, maybe $520. HVAC service or install, anywhere from $800 to $3,000 depending on the job mix.

Now count your missed calls. Most phones log them. If you're using ServiceM8 or a similar job management platform, check your call history. A typical solo tradie or two-person crew gets 15 to 25 inbound calls a week. You answer maybe half on the first ring. The rest hit voicemail.

Industry-wide data suggests about 30% of callers who hit voicemail don't leave a message and don't call back. They just move to the next name on Google. If you do call back, your conversion rate on a returned voicemail is lower than a live pickup. People have moved on, or they've already booked someone else.

Let's be conservative. Say you miss 10 calls a week. Three of those never come back. That's 12 lost jobs a month. At $450 average, that's $5,400 in revenue walking out the door every month because you were too busy doing the work to answer the phone.

The ServiceM8 average job value benchmark

ServiceM8 publishes aggregated data from thousands of Australian trade businesses. The platform-wide average job value sits around $680 for mixed trade work. Electrical and plumbing service jobs trend between $400 and $750. HVAC and air-con work skews higher, often $1,200 to $2,500 once you factor in equipment supply and install labour.

If your average is $680 and you're losing 12 jobs a month to missed calls, that's $8,160 gone. Over a year, $97,920. That's not revenue you're deferring or jobs you're too busy to take. It's work you never knew existed because the phone rang at the wrong time.

One call we listened to last Tuesday came in at 11:04 AM. Tradie was on site, phone in the ute. Caller rang two more businesses in the next six minutes and booked the second one who picked up. Job value was $720. The bloke who missed the call will never know it happened.

What your accountant isn't telling you

Your accountant tracks what you invoice. They don't track what you never quoted. Missed calls are invisible line items. They don't show up on a P&L, so most business owners never count them.

But think about your cost to acquire a new customer. If you're running Google Ads or local SEO, you're paying somewhere between $50 and $200 per inbound call depending on your trade and location. When you miss that call, you've paid for the lead and got nothing back. That's a double loss: the acquisition cost and the job value.

Even if you're relying on word-of-mouth and repeat customers, every missed call is someone who bothered to ring you instead of three other blokes. They've pre-qualified themselves. They want to give you money. And you're not there.

The laptop class vs the toolbelt class

Office businesses have receptionists or call centres. Tradies don't, because you can't justify a full-time person just to answer the phone when call volume is uneven and you're trying to keep margins tight.

You've got three options traditionally: answer every call yourself and lose productivity on site, hire someone part-time and hope they're available when calls come in, or let calls go to voicemail and accept the leakage. None of these options are good.

The fourth option is an AI voice agent that picks up every call, books jobs into your calendar, sends quotes, and integrates with whatever system you're already using. Setup cost is $5,500. Inbound calls run about $0.42 a minute. A three-minute call costs you $1.26 to answer. If that call books a $680 job, your return is 540 to 1.

What to do about it

First, count your actual missed calls over the next week. Be honest. Check your phone log and your voicemail. Multiply that weekly number by 4.3 to get your monthly count.

Second, work out your real average job value. Pull your last 20 invoices and divide the total by 20. Don't guess. Use actual numbers.

Third, multiply missed calls by your average job value, then by your close rate on inbound calls (usually 40% to 60% for trade work). That's your monthly leakage.

If the number makes you wince, you've got a problem worth solving. You can hire a part-timer to answer calls, you can force yourself to pick up every time (and watch your job times blow out), or you can hand it to an AI agent that never misses a ring and costs less than a site labourer.

Sign up at app.voxreach.com.au/signup and test it with calls on your own number. See if it picks up the next job you would have missed.