WhatsApp Marketing for Local Businesses: A Simple Guide
How local businesses can use WhatsApp for bookings, reminders and offers without spamming: opt-in, Business app vs API, click-to-WhatsApp ads and good habits.
adthief.ai · · 5 min read
In much of Europe, WhatsApp is how people talk to their friends, their family and, more and more, the businesses they use. Asking a salon for a slot, checking whether a restaurant has a table for six, sending a photo of a skin concern to a clinic: for many customers a WhatsApp message feels easier than a phone call or a form.
That makes WhatsApp a strong channel for local businesses. It also makes it easy to annoy people, because a WhatsApp message lands next to messages from their mother. This guide covers how to use it well: the tools, the rules on opt-in, using it with ads, and the habits that keep customers happy.
The two kinds of WhatsApp for business
There are two main ways a business can use WhatsApp, and they suit different sizes of business.
WhatsApp Business app. A free app for phones (and linked devices such as a computer). It works like normal WhatsApp, with a business profile, opening hours, quick replies, labels to organise chats, a greeting message and an away message. It suits most small local businesses where a few people handle messages by hand.
WhatsApp Business Platform (the API). For larger volumes and automation. You don’t download it; you connect through Meta directly or through a provider (often a CRM, booking or customer service tool). It allows several team members, integration with your systems, automated messages and approved message templates. Meta charges for some types of messages, and providers usually add their own fees. Pricing has changed several times, so check Meta’s current pricing page and your provider’s terms.
| Business app | Business Platform (API) | |
|---|---|---|
| Cost | Free | Paid per message type, plus provider fees |
| Set up | Download and register a number | Through Meta or a provider |
| Best for | One location, messages handled by hand | Several locations, high volume, automation |
| Automation | Greeting, away messages, quick replies | Full automation and integrations |
Start with the app. Move to the platform when you have more messages than people can answer, or when you need automated reminders from your booking system.
Opt-in: only message people who asked
This is the rule that matters most. Only send messages to people who have agreed to receive them from you, and only the kind of messages they agreed to.
- Someone who messages you first has started a conversation. You can reply and help. That is not permission to add them to your offers list.
- Marketing messages (offers, news, events) need clear opt-in. Ask in a way that is explicit: "Would you like to get our monthly offers on WhatsApp? Reply YES." Keep a record.
- Service messages such as booking confirmations and reminders are expected when someone books and gives their number for that purpose. Still, tell them at booking that reminders come by WhatsApp.
- Make leaving easy. Tell people how to stop messages ("Reply STOP"), and honour it straight away.
Meta’s own WhatsApp policies require businesses to get opt-in before messaging people and allow WhatsApp to restrict numbers that receive many blocks or reports. Data protection rules in the EU also apply to the phone numbers you store. As with email, this is general guidance, not legal advice.
A practical detail of the Business app: broadcast lists only reach people who have saved your number in their contacts. That is a useful built-in protection against messaging strangers, and a reason to ask customers to save your number.
On the Business Platform, messages you start (rather than replies within a recent customer conversation) generally have to use templates that Meta approves in advance.
Ways local businesses use WhatsApp well
Bookings and questions. Put a WhatsApp button on your website, Google Business Profile and Instagram. Many people who won’t call will message. Use quick replies for common questions (prices, parking, opening hours) so answers are fast and consistent.
Reminders. An appointment reminder the day before cuts no-shows for salons, clinics and studios. Keep it short: date, time, address, how to reschedule.
Waiting lists and last-minute slots. "A slot opened tomorrow at 10:00, would you like it?" sent to people who asked to be on the waiting list is welcome, not spam.
Occasional offers to opted-in customers. A new menu, a seasonal treatment, a member event. Once or twice a month at most.
After the visit. A thank-you message with a link to leave a Google review, sent to customers who agreed to be contacted.
For clinics, remember that WhatsApp chats can contain health information. Agree internally which phones and accounts are used, who has access, and what is stored. Keep marketing messages general.
Click-to-WhatsApp ads
Meta lets you run Facebook and Instagram ads where the button opens a WhatsApp chat with your business. For local businesses that take bookings by conversation, these can work well:
- Use them when a conversation is the natural next step: group bookings, consultations, custom orders, colour appointments.
- Prepare the first reply. Set an automatic greeting that thanks the person and asks one simple question ("Which day suits you?").
- Answer fast. The value of these ads drops sharply if nobody answers for hours. Plan who covers the chat, including evenings and weekends.
- Count the outcome. Ads Manager counts conversations started, not bookings. Label chats that came from ads and record which ones turned into bookings.
For the ad setup itself, the targeting and creative advice in our guides on Facebook ads for restaurants and Meta ads for hair salons applies here too.
Good habits that keep customers subscribed
- Write like a person, sign with a name, and keep it short.
- One message, one purpose. No long chains of photos and paragraphs.
- Send at sensible hours. Not late at night, not early on Sunday.
- Use labels in the Business app to separate new enquiries, booked clients and people who asked for offers.
- Review blocks and opt-outs monthly. If they rise, you are sending too often or the wrong things.
Start small
Set up the Business app with a complete profile, add a WhatsApp button to your website and Google profile, and write five quick replies. Before you add ads on top, see how other local businesses in your area handle their messaging and ads with the free competitor check.