You already text your customers on WhatsApp. They messaged you to book the appointment, you confirmed the time, maybe sent a "running 10 minutes late" on the way. The conversation is right there in your chat history.

So when the job is done and you want a review, why would you send an email from a generic address they've never seen before? Send the request where the conversation already lives.

Why WhatsApp works better than email for review requests

WhatsApp messages get opened. Not "sometimes opened" – over 90% of the time, usually within minutes. Compare that to email, where a 50% open rate is considered excellent. Most review request emails sit unread between a shipping notification and a newsletter nobody subscribed to.

But open rates aren't the real reason WhatsApp works. The real reason is tone. A WhatsApp message from the plumber who just fixed your boiler feels like a personal thank-you. An email from "plumbingservices@gmail.com" with a subject line like "How did we do?" feels like automated marketing – because it usually is.

People respond to people. WhatsApp feels like a person. Email feels like a system.

Who should (and shouldn't) use WhatsApp for reviews

WhatsApp review requests work best for businesses where the customer relationship is phone-based and volume is low enough to send messages individually.

Good fit:

  • Mobile service businesses – plumbers, electricians, cleaners, handymen, locksmiths
  • Personal service providers – personal trainers, mobile hairdressers, massage therapists, tutors
  • Home services – pest control, landscapers, painters, moving companies
  • Any business where you already WhatsApp your customers to schedule or confirm appointments

Not a good fit: high-volume businesses. If you're a restaurant doing 200 covers a night or a retail shop with walk-in traffic, you can't WhatsApp each customer individually. For those businesses, email or QR codes are a better channel.

The sweet spot is 2–10 customers per day. Enough to make a difference, few enough to send each message personally.

The template message

Keep it short. This is WhatsApp, not a newsletter. One or two sentences, a link, done. Match the tone you'd use in a normal chat with that customer – if you wouldn't say "Dear Valued Customer" in a WhatsApp message, don't write it in a review request either.

Here's the basic structure:

Hi [name], thanks for choosing [business]. If you have 30 seconds, we'd really appreciate a quick review: [link]

That's it. No paragraphs, no explanations about why reviews matter, no "it would mean the world to us." Just a thank-you and a link.

Templates for specific situations

After a repair or installation:

Hi Sarah, glad we got the leak sorted today. If everything looks good, a quick review would help us a lot: [link]

After a cleaning:

Hi Tom, hope the place looks good! If you're happy with the clean, we'd appreciate a review here: [link]

After a training session or appointment:

Great session today, Lisa. If you have a moment, a review here would really help: [link]

After a home visit (general):

Hi Mark, thanks for having us over today. If you're happy with the work, a quick review would mean a lot: [link]

Notice what these all have in common: they're short, they're personal (they reference the specific job), and they have exactly one link. No "follow us on Instagram" or "refer a friend" tacked on at the end.

Send a photo of the finished work

This is the single best trick for service businesses. Instead of a plain text message, send a photo of the completed job – the repaired pipe, the clean oven, the freshly painted wall – with your review request underneath.

The photo does two things. First, it makes the message feel like a natural follow-up ("here's what we did") rather than a marketing ask. Second, it reminds the customer of the result, which puts them in the right mindset to write something positive. A text-only request is easy to ignore. A photo of your work followed by a one-line ask is much harder to scroll past.

Try a voice note

Some tradespeople skip text entirely and send a 10-second voice note: "Hey Sarah, just checking everything's working fine with the boiler. If you get a minute, I left a review link in the chat – would really appreciate it." Then paste the link as a separate message right after.

Voice notes have near-100% listen rates. They're also impossible to mistake for automated marketing – the customer hears your actual voice. This works especially well if you have a friendly, natural phone manner. If you're more comfortable writing, stick with text.

When to send it

Timing matters more than wording. Send too early and the customer hasn't had time to check the work. Send the next day and they've already moved on to the next thing.

The sweet spot is 1–3 hours after you leave. Long enough for them to inspect the repair, enjoy the clean house, or test the new installation. Short enough that the experience is still fresh and they remember your name.

Avoid evenings after 7 PM and weekends. A review request at 9 PM on a Saturday feels intrusive, even if the job was that afternoon. If you finished a late job, send it the next morning instead.

How to send it in practice

You don't need any special setup. The whole workflow is:

  1. Save your Google review link somewhere you can grab it fast. The easiest way is to send it to yourself on WhatsApp and pin that message. Or save it as a text replacement on your phone – type "rvw" and it expands to the full link.
  2. Open the existing WhatsApp chat with the customer. You already have one from when they booked.
  3. Type a quick thank-you, paste the link, send.

That's it. Ten seconds, no tools, no per-message costs. You're sending from your own WhatsApp, the same number the customer already knows.

Use WhatsApp Business for shortcuts

If you're not already using WhatsApp Business (the free app, not the paid API), switch. Two features make review requests faster:

  • Quick replies – save your review request template as a quick reply with the shortcut /review. Type /review in any chat, the full message appears, you swap in the customer's name, send. Faster than copy-pasting every time.
  • Labels – tag chats with a custom "Review Asked" label after you send the request. This way you never accidentally send the same customer two requests, and you can see at a glance who you haven't asked yet.

A note on Viber

In Bulgaria, Serbia, and parts of Eastern Europe, Viber is more popular than WhatsApp. If your customers are on Viber, the approach is identical – short message, one link, same timing. Just open the Viber chat instead of the WhatsApp chat. Everything else in this guide applies.

Manual sending vs automation

For 2–5 customers a day, manual sending is the simplest approach. No WhatsApp Business API to set up, no per-message fees, no approval process for message templates. You're just texting from your personal WhatsApp.

The main downside is that you'll forget. You finish the job, drive to the next one, and by the time you remember, it's been two days. The fix is making it part of your routine: send the message as soon as you get back in the van, before you start driving.

If you want to speed this up, TrustMint's Quick Add feature lets you add a customer, tap "Send via WhatsApp," and the message opens pre-filled in WhatsApp with your review link already included. Tap send. The whole thing takes 10 seconds and you don't need to remember where you saved the link.

What not to do

Don't message numbers you don't have a relationship with. If they didn't give you their number voluntarily as part of doing business with you, don't send them a review request. That's spam, and in many countries it's illegal under messaging regulations.

Don't follow up if they don't respond. One message is enough. If they didn't leave a review after the first ask, a second message won't change their mind – it'll just annoy them. The people who were going to review you will do it from the first message or not at all.

Don't send a wall of text. If your message is longer than what fits on the screen without scrolling, it's too long. Two sentences and a link.

Don't ask for "a 5-star review." Ask for a review. Specifying the rating makes it feel transactional and violates Google's review policies. If the customer had a good experience, they'll give you 5 stars without being told to.

Don't use shortened URLs. Links from bit.ly, tinyurl, and similar shorteners get flagged by WhatsApp's spam detection. The customer might see a warning before they can open the link, or the message might not deliver at all. Use your full Google review link, or set up a redirect from your own domain (like yourbusiness.com/review) – WhatsApp trusts those.

Putting it all together

Here's the entire workflow:

  1. Finish the job.
  2. Wait 1–3 hours.
  3. Open the existing WhatsApp chat with the customer.
  4. Type a short thank-you with your review link.
  5. Send. Move on.

No fancy tools, no email sequences, no automation. Just a message from a real person on a platform the customer already uses. For service businesses doing a few jobs a day, this alone can double your review count within a month.