What missed calls cost a service business (and how to count it)

Why a missed call is not always a lost sale, and sometimes is

A missed call is a call that nobody answered. It rang out, went to voicemail or stopped at a menu. Whether it cost you money depends on who called and what they did next. A supplier you ignore costs nothing. An existing customer will probably call back. A stranger with a broken water heater calls the next name in the search results.

Many pages online quote one big “percent of callers never call back” number. We could not trace the common ones to a study we could read, so this article does not use them. It gives you a way to count your own. That is more useful, because your calls, your close rate and your job value are different from anyone else’s. It is part of the how customers see you check.

A reference point: how many calls reach a person

Invoca’s 2026 Home Services Lead Conversion Benchmarks Report uses anonymized calls tracked on Invoca’s platform for home services trades such as HVAC, plumbing, pest control, restoration and construction, drawn from a larger dataset of over 70 million calls across 10 industries. It defines answer rate as the share of inbound calls answered by a person. Across home services it found:

• 52% of all inbound calls answered by a person.
• 65% when calls of 15 seconds or less are removed (misdials and quick hang-ups).
• 73% when only calls over 30 seconds are counted.
• A range from 32% to 74% across home-services trades.

Invoca sells call analytics, and its numbers are averages across its customers, not a random sample of all businesses. Use them as a reference, not a target and not a verdict on your business. The report also says that when a call goes unanswered, the job goes to the next company in the search results. That is Invoca’s reasoning, not a measured finding: the report does not track what unanswered callers did next.

The formula: five numbers

Missed-call cost per month =

Calls per month x share unanswered x share that are new inquiries x share that would have booked x average job value

Then subtract what you win back by calling back.

Here is a worked example. These are round numbers for illustration only. They are not market data and not a claim about any business.

If your margin on a job is 30%, that is about $1,080 of lost profit a month in the same example. Use whichever number you manage the business by.

How the answer changes with your numbers

The same illustration, changing only the share of calls that go unanswered:

The point of the table is not the dollar figure. It is that the biggest levers are the share unanswered and the value of a job. A trade with high job values, such as roofing or a kitchen remodel, can lose more from ten missed calls than a low-ticket service loses from fifty.

A customer is worth more than one job

If a typical customer books three times over the years, or refers a neighbor, then a lost new customer costs more than the first job. Replace “average job value” with “average value of a customer over 12 months” if you have that number. Only use it if you know it. Guessing makes the number look bigger than the evidence supports.

How to count your own missed calls

You need two weeks of data and about an hour.

1. Get the call log. Download or screenshot the call history from your phone carrier, your VoIP or office phone system, or your call-tracking tool. Include every number customers can call, including the one on your Google profile.
2. Mark each unanswered inbound call. Note the day and time. Count a call as answered only if a person spoke to the caller.
3. Sort the missed calls. Call the numbers back, or listen to voicemails, and tag each as new customer, existing customer, vendor or spam, wrong number.
4. Note what happened next. Did you reach them? Did they book? How long did it take to call back?
5. Total the week. Calls, missed, new inquiries missed, recovered.
6. Fill in the formula with your own numbers, including your actual close rate for new inquiries that you do reach.

A caution about your Google Business Profile. Its Performance report counts how many times customers tapped the call button on your profile. It does not count answered calls or call length. It is a useful trend line, and not a missed-call count. Compare it with your phone log.

Where missed calls come from

Look at the times and days in your log. Most businesses find three patterns:

• Busy hours. Everyone is on a job or with a client, and the phone rings out at lunch and mid-afternoon.
• After hours and weekends. Customers search in the evening, and nobody picks up until morning.
• The wrong number. A number on the website or profile that rings at a desk nobody sits at.

Each has a different fix, which is why the log matters more than any average.

What to fix first

1. Wrong or dead numbers. Check that every number on your site and profiles rings somewhere a person is. The website audit checklist includes a contact-path test.
2. Forwarding. Send the main line to a mobile or a ring group so a call does not stop at an empty desk.
3. A voicemail that earns the call back. Say when you will call back, and ask for name, number and the job. Then call back that day. Our guide on speed to lead sets targets by channel.
4. A text reply to missed calls. An automatic text that says “Sorry we missed you. What do you need and when?” lets the caller continue. Texts need the customer’s consent (TCPA), and business texting numbers need carrier registration (A2P 10DLC). This is not legal advice.
5. Coverage when you cannot answer. Options are an answering service, a part-time receptionist or an AI receptionist. Our products PhoneAnswer (phoneanswer.ai, self-serve AI receptionist) and CallReply (callreply.com, done-for-you AI phone agent) are two examples among many. An AI phone assistant should say that it is an AI, and callers should be able to reach a person or leave a message. Call recording needs consent in some states, including Massachusetts, which requires all-party consent.

Before you buy anything, compare its monthly cost with the recovered revenue from your formula. If the formula says missed calls cost you $400 a month, a $500 monthly tool does not pay for itself. If it says $3,600, it probably does. The numbers decide, not the sales page.

A simple monthly scorecard

Track these four lines each month in a spreadsheet:

• Inbound calls
• Calls answered by a person
• Missed calls from new customers
• Jobs won from callbacks

After three months you will know your real answer rate, whether it is getting better, and what a missed call costs you. If you would like another view of how customers reach you and what they see when they do, ask for a free demo (30-minute call; demo shared within 3 business days).

Published October 25, 2026. Updated October 25, 2026.