You’re on the tools. Phone rings, hands are full, job goes to voicemail. That happens two, three times a week. Fine, right? Maybe not. Run the numbers below and see what that silence is actually worth.

The calculator - your numbers, not ours

Three inputs. You already know them.

  • Calls missed per week - be honest. If you’re on site from 8 to 5, how many ring-outs do you see when you check your phone at lunch?
  • Your average job value - not the big loft conversion, not the dripping tap. The middle one.
  • Your close rate on a live call - if you actually pick up and have a proper conversation, what share of those turn into booked work? Most trades say somewhere between half and three quarters.

The sum looks like this:

Missed calls per week
  x  Close rate (as a decimal, so 0.6 for 60%)
  x  Average job value
  x  52 weeks
= Revenue left on the table per year

Put your own numbers in. Say you miss three calls a week, close six in ten when you do pick up, and the average job is worth £280:

3 x 0.6 x £280 x 52 = £26,208

Thats not a made-up industry figure. Thats your arithmetic. Change any of the three inputs and the answer changes with it. The point is to run it once with your real numbers, then decide whether the problem is worth solving.

Why missed calls are worse than they look

A caller who hits voicemail doesnt wait. They scroll down to the next result and call someone else. You never find out it happened. There’s no record, no follow-up, no second chance - just a job that quietly went to a competitor.

That’s what makes this different from a quote that falls through. A lost quote, you know about. A missed call is invisible. The only signal is a number on your phone with no name attached, and by the time you ring back, the moment has passed.

Three ways to fix it - and what each one actually costs you

1. Call everyone back yourself

Free, and you know the work better than anyone. The problem: you’re already stretched. Calling back at 6pm, when the customer has already booked someone else, is effort with no return. And if you’re doing it from the van, the conversation is rushed and the details get lost.

2. Hire someone to answer the phone

A part-time admin person or a telephone answering service. This works. A real human is good at reading a caller’s urgency and handling awkward situations. The cost is real - a telephone answering service typically charges per call or per minute on top of a monthly retainer, and a part-time employee brings wage, NI and management overhead on top. If your call volume justifies it, this is a perfectly sensible option. If you’re getting 30 calls a day, you probably already have someone. If you’re getting 5, the maths may not stack up.

3. An AI receptionist

A voice agent, a software system that answers the phone as if it were a member of staff, that picks up every call, asks the caller for their name, address, job type and urgency, and drops a job card into your calendar or your inbox before the caller has hung up. No voicemail. No missed ring-outs. No chasing.

It handles the calls you’re not available for - on site, driving, at the merchant, eating lunch. It doesn’t replace you for complex conversations, and it won’t negotiate a price. But for “I need a plumber, here’s the job, when can you come?” - it handles that completely.

What you get out the other end is a structured record: caller’s name, address, what they need, how urgent they say it is. That’s the information you need to decide whether to call back in the next hour or schedule it for next week.

Which one is right for you

Run your number from the calculator above. If the annual figure is small - say, under £5,000 - the honest answer is probably to tighten up your callback habit and leave it there. The overhead of any solution needs to be worth less than the problem.

If the number is meaningful, the question becomes whether you want a human or a system. A human answering service is better at nuance and harder situations. An AI receptionist is better at consistency - it never has a bad day, never forgets to log the address, never lets a call ring out because it’s on another line. For a sole trader or a small team where every call is currently landing on one person’s mobile, the consistency argument is strong.

The job card in your calendar at the end of each call - with a name, an address, a job type, and an urgency flag - means you start the next morning knowing exactly what’s waiting, without having spent the evening on callbacks.

One honest next step

If you’ve run the calculator and the number surprised you, it’s worth a conversation. We can map out exactly what an AI receptionist would handle for your kind of work - what it answers, what it escalates, what lands in your calendar - and you can decide from there whether it makes sense. No commitment to anything.

See how we work and what it costs - or if you’d rather read first, here’s how the receptionist works in practice.