WhatsApp Business for trades: quoting, follow-ups and the pitfalls

Why WhatsApp fits the trades so well

Trades work with their hands and their phones, in that order. A call interrupts a job. A WhatsApp message waits until the hands are free, and it can carry a photo, a video, a voice note or a PDF without anyone having to find a laptop.

Homeowners like it for the same reason. Most cannot describe a plumbing fault, but all of them can photograph it. And a chat thread is a record both sides can scroll back through when the inevitable "did we agree the tiles were included" question comes up.

Google has now put a Message button beside Call on Business Profiles in Maps, which can route to WhatsApp where a business has connected it, a change covered in our piece on Google's Business Profile changes for tradespeople. The channel is becoming the default rather than the alternative.

Business app, not personal: the setup that matters

The WhatsApp Business app is free and separate from the personal one. It can run on the same phone with a different number, or take over the existing business number. The features that earn their keep for a trade are these.

• A business profile with trading name, address or service area, hours, website link and a short description. This is what a homeowner sees when they tap your name.
• Greeting message: sent automatically to anyone messaging for the first time. Set expectations: "Thanks for getting in touch. Send a photo and a postcode and I will come back to you by this evening."
• Away message: fires outside your set hours. The important part is the time you will reply, not an apology.
• Quick replies: saved answers to the questions you get every day. Callout fee, areas covered, whether you do emergency work, how to pay.
• Labels: tag each chat as New enquiry, Quoted, Booked, Complete or Lost. It is a crude CRM, but it is one you will actually use.
• Catalogue: list your standard services with a price range. Useful for boiler services, EICRs and other fixed-scope jobs.

Quoting over WhatsApp without regretting it

The temptation is to send a number in a message. "That will be about £450 mate." It is fast, it is friendly, and it is a contract you have no control over. The homeowner remembers the £450 and forgets the "about".

A better pattern: use the photos and a short voice call to scope the job, then send a proper quote as a PDF or a link to a quote page, with what is included, what is not, and how long the price stands. The message itself just says "Quote attached, give me a shout with any questions." The chat is the delivery channel; the document is the quote.

For bigger jobs, keep the site visit. Photos lie about scale and hide the thing behind the thing. A quote from a photo for a bathroom is a guess with your name on it.

The follow-up that most trades never send

Most quotes die of silence. The trade sends the price, hears nothing, assumes the job went elsewhere and moves on. Often it did not. The homeowner is waiting on a partner, a payday or two other quotes that never arrived.

A follow-up three or four days after the quote, in the same thread, costs nothing: "Morning, just checking you got the quote and whether you had any questions." A second one a week later, mentioning your next available dates, is still reasonable. Beyond that, leave it. Two follow-ups recover a surprising share of quotes without anyone feeling chased.

The same thread is also the natural place to ask for a review once the job is done, which keeps the flow of recent reviews going as described in why review velocity matters more than review count.

Pitfall one: everything lives on one phone

If the phone is lost, dropped in a bath or stolen from the van, the quotes, the photos and the agreed changes go with it. Turn on backups and check they work. Export important chats for big jobs. And if the business is more than one person, think hard about whether every customer conversation should be on the owner's personal handset.

The WhatsApp Business Platform, the version built for companies with multiple staff and software integrations, exists for exactly this reason, but it involves a third-party provider and costs money. For a one-van trade, disciplined backups and a second channel (email for anything contractual) are usually enough.

Pitfall two: personal data and the law

A chat full of names, addresses, phone numbers and photos of the insides of people's houses is personal data, and UK GDPR applies to a sole trader as it does to anyone else. That does not mean a compliance department. It does mean a few habits.

Do not share a customer's photos or details into other chats or groups without asking. Delete old threads you no longer need. Do not use the broadcast feature to send marketing messages to people who only gave you their number to get a quote; that is a different purpose and needs their agreement. And if you use job photos in your marketing, the permissions covered in using job photos in marketing: permissions, privacy and the neighbours apply whether the photo came from your camera or the customer's.

Pitfall three: the always-on trap

The channel that lets homeowners reach you at 9pm on a Sunday is also the channel that lets homeowners reach you at 9pm on a Sunday. Set hours in the app, let the away message do its job, and do not reply outside them unless it is an emergency contract you are paid for. The trades that burn out on WhatsApp are the ones who trained their customers to expect a reply in minutes at any hour.

Where WhatsApp stops being enough

At some point, usually around the second van, a trade needs quotes that can be tracked, invoices that match them and a record of who was told what. WhatsApp can feed that system (photos in, quote links out) but it cannot be the system. The difference between what a sole trader needs and what a small firm needs is the subject of our analysis marketing a one-van business is a different sport to marketing five vans.

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