Word of mouth is people recommending you to each other. It is the oldest form of marketing and still the most persuasive, because the recommendation arrives from somebody the listener already trusts and costs that person nothing to give. What has changed is the medium. Most of it now happens in writing, in group chats, community groups and reviews, which means it can be read by strangers months afterwards and can be influenced in ways it never could when it was only spoken.
In short
- Word of mouth is a recommendation carried by somebody the listener already trusts.
- Most of it now happens in writing, which makes it durable and findable.
- The recommendation is only half of it: the person will look you up before they contact you.
- Reviews are the version that keeps working, which is why they repay effort more than anything else here.
Why it outperforms everything else
A recommendation does something no advertisement can do.
- The source is trusted. The listener has already decided the speaker has no reason to mislead them.
- It arrives with the risk removed. Somebody else has already used you and survived the experience.
- It is specific. People recommend for a reason, and the reason is usually the exact thing the listener was worried about.
- It is unpaid, which is precisely why it is believed.
- It compounds. Every satisfied customer is a potential source of the next one, without further effort.
The catch is that it cannot be bought and does not scale on demand. It is the result of the work rather than a channel you switch on. The nearest thing to buying it is influencer marketing, which rents somebody else’s credibility for a period and has to be disclosed as such.
Where it happens now
Assuming word of mouth is spoken is the most common way businesses miss it entirely.
- Group chats. Family, office, subdivision and barangay chats, where somebody asks for a recommendation and three people answer.
- Facebook groups. Community groups, buy and sell groups, local interest groups. Somebody asks who does this kind of work and a thread of names follows.
- Comments and shares, under a post or a question, where the endorsement is public and permanent.
- Reviews, on Google and on the platforms your trade uses.
- In person, which still happens constantly and is the part nobody can see.
Most of these are text, which means they can be found later by people who were not there. That is the useful change, and it is the reason online reputation and word of mouth are now the same subject rather than two.
The recommendation is only half of it
Something happens between the recommendation and the inquiry that most businesses never think about.
The person who was told about you looks you up. They search your name, they read the reviews, they glance at the website, they check whether the business seems real and current. Only then do they make contact.
That means a recommendation lands on whatever they find, and what they find is under your control. Being findable by name is the simplest SEO job there is and plenty of businesses fail it. What they usually see first is the Google Business Profile, complete with the rating and whatever the last few reviews say. Then the website, which has to confirm that you do the thing you were recommended for and has to look current while doing it. A page last touched three years ago reintroduces exactly the doubt the referrer had removed.
A strong recommendation landing on a weak search result is a lost customer, and nobody ever finds out it happened.
What makes people recommend you
Nobody recommends adequate. The threshold is higher than satisfaction.
- Doing what was agreed, when it was agreed. Ordinary reliability is rare enough to be worth mentioning.
- Being easy to deal with. Replying quickly, explaining plainly, not disappearing between stages.
- One thing that exceeded expectation. It does not have to be large. It has to be noticeable and worth retelling.
- Handling a problem well. People tell that story more often than they tell the story where nothing went wrong.
- Being easy to describe. A business whose name and trade are clear gets recommended more accurately than one nobody can quite explain, which is part of what brand awareness is for.
Reviews as word of mouth you keep
Of everything on this page, this is where deliberate effort pays best.
A recommendation in a chat reaches the people in that chat, once. A review sits in public and is read by every stranger comparing three businesses side by side. It also feeds how prominently you appear in local results, which makes it one of the few things that is simultaneously reputation and off-page SEO.
The method has three parts and none of them is clever.
- Ask, at the moment the work finishes and the customer is pleased. Most people are willing and simply do not think of it.
- Make it easy, with a direct link rather than an instruction to search.
- Reply to all of them, including the bad ones, because the reply is read by future customers far more carefully than the review is.
Do not buy them, do not incentivise them, and do not write them. It breaches policy, it reads as fake to actual humans, and it destroys the one thing that made the review worth having.
How to lose it
- Being slow to reply. The fastest way to waste a referral, and the easiest thing on this list to fix.
- Being hard to find by name, so the recommendation dead ends.
- Ignoring reviews, particularly the critical ones.
- Inconsistent work, which makes recommending you a risk for the person doing it.
- Never asking. Most customers are happy to help and are simply never given the opportunity.
What you can see, and what you cannot
Word of mouth is under-measured everywhere, and the honest position is that most of it is invisible.
- Review volume and recency, which is the measurable end of it and the part you can influence directly.
- Asking every new customer how they found you, and writing the answer down. Unfashionable, and more accurate than any dashboard for this particular question.
- How many of those answers name a person rather than a channel, which is the closest thing to a direct count there is.
- Repeat and referral share of revenue, which is the outcome the rest of this is a proxy for.
- Searches for your business name, which rise as more people are told it, and which brand awareness covers in more detail.
Reporting that only credits the last click will attribute almost all of this to search, because searching your name is the last thing the customer did. That is a limitation of the reporting rather than a fact about the marketing.
Questions we get
More about word of mouth
Can word of mouth be marketed deliberately?
Where does word of mouth happen in the Philippines?
Are online reviews word of mouth?
Should we pay people for referrals?
How do we ask without being awkward?
What kills word of mouth fastest?
Can word of mouth be measured?
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Related terms
Brand awareness
Brand awareness is how many of the people who could buy from you know that you exist, and whether you come to mind at the moment they decide they need what you sell.
Off-page SEO
Off-page SEO is everything happening away from your website that affects how Google judges it: links, reviews, listings and mentions elsewhere online.
Google Business Profile
A Google Business Profile is the free listing that decides whether your business appears in Google Maps and in the local results above the search page.