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Cost of no-shows: the simple calculation that shows what you're losing

When a client doesn't show up, you don't just lose an appointment. You lose time, revenue, continuity and often the chance to offer that slot to someone else.

The problem is that the cost of no-shows is underestimated because it doesn't arrive as an invoice. You don't see it at the end of the day, but you find it at the end of the month: a full diary on paper, lower takings than expected.

A missed appointment isn't a minor hiccup

In many practices a no-show is treated as a normal nuisance. It happens, you move on, you try to call the person back.

But it isn't a marginal phenomenon: a systematic review estimated an average non-attendance rate of around 23% globally, with lower figures in Europe, around 19% (systematic review, Health Policy, 2018).

And if you have even just two missed appointments a week, the number changes fast. Two €60 slots are €120 a week. Over a month that's about €480. Over a year it tops €5,000.

And that's without counting the time spent writing, calling, rescheduling and tidying up the diary.

The simple calculation to run today

To work out your practice's no-show cost, you only need one formula:

number of missed appointments per month x average appointment value = estimated monthly loss

If you have 12 missed appointments a month and each appointment is worth €70, you're leaving €840 a month on the table.

It's not theory. It's sellable capacity that stays empty.

Why clients don't show up

In most cases they don't do it out of disrespect. They simply forget, put it off, mix up the time or never got a reminder on the right channel.

Here's the point: if your confirmation stays in a missed call, an unread email or a message sent too late, you're leaving too much room for error.

How to cut no-shows without chasing people

The answer isn't spending more time on the phone. It's automating the right steps.

And it works: a Cochrane review found that reminders sent by text message increase attendance compared with no reminder, with effectiveness on a par with a phone call but at far lower cost (Cochrane review, 2013).

Good management should confirm the appointment, send a clear reminder, let the person reply easily and help you keep the diary up to date.

This is where WhatsApp makes the difference, because it's the channel people actually check.

Frequently asked questions

How much does a no-show cost on average? It depends on the value of the service. Multiply the appointments missed in a month by the average appointment price: even just 2 absences a week can be worth several thousand euros a year.

How do you cut no-shows without a secretary? With automatic confirmations and reminders on the channel the client really reads, usually WhatsApp, so the person remembers the appointment or cancels in time to free up the slot.

The takeaway

The cost of no-shows isn't just a question of client manners. It's a system problem.

Wably is built for exactly this: it confirms appointments, sends reminders on WhatsApp and helps your practice cut empty slots without adding manual work. You keep looking after clients. Wably makes sure they don't vanish from the diary.

Sources: Systematic review on no-shows, Health Policy (2018) · Cochrane review on text-message reminders (2013)

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