Expertise.com will call your shop pretending to be a customer.

Somebody is going to call your shop, say they have a water heater making a noise, and quietly grade how the conversation goes. That is not a hypothetical. Expertise.com publishes it: the final step of their selection process is that their mystery shoppers call each company, identifying themselves as potential customers, to gauge knowledgeability, friendliness, and professionalism. Most plumbing owners have never heard of this. It is the single most actionable thing in this entire series, because you can fix it on Monday.

The short answer: You cannot create an Expertise.com profile — they build city lists from public databases and score you on more than 25 variables across five categories — but you can request consideration at expertise.com/review-me, correct an existing listing at expertise.com/update, and materially improve your score by keeping your licence clean, your reviews consistent across multiple sites, and your phone answered by a human who knows what they are doing.

Why this one is different

Every other source in this series makes you guess. Expertise.com hands you the rubric.

They sit at number eight on our citation list — 674 mentions across roughly 14,000 AI searches, split 460 in ChatGPT and 214 in Perplexity, and a flat zero in Google AI. That last number matters. If your entire local search world is Google, this page does nothing for you. If a homeowner opens ChatGPT and types "best plumber in Fort Worth," an Expertise.com list is one of the pages the model has read.

And unlike the editorial round-ups covered earlier in the full breakdown of the websites AI reads before recommending a plumber, this one is reverse-engineerable. Their Austin plumbing page states the funnel out loud: 496 providers reviewed, 303 curated, 15 selected. Roughly three percent of the starting pool makes the page. The page also names its three headline verification methods — licensing, user reviews, and mystery shopping calls.

The five categories, and what each one actually wants from you

Here is their published framework, translated into things you can do this quarter.

Note the word "volatility" in reputation. They are looking at whether your rating swings. Forty-one reviews at 4.7 with a steady drip over two years scores better than eleven perfect reviews that all landed in the same week in March. Review gating and review bursts read as noise to a system that specifically checks consistency across multiple sites.

Note also "variety of services." A shop that only lists "plumbing repair" on its website is invisible to a service-breadth variable. If you do sewer camera work, hydro jetting, water heater swaps, and repipes, those need to be separate, indexable pages. That is ordinary plumber SEO work you should be doing regardless of whether Expertise.com ever notices.

Now the phone, because that is where most shops throw it away

Your CSR is going to answer a call from a stranger with a vague problem and no urgency signals. That is exactly the call your team is worst at. Here is what the shopper is listening for.

1. A human picks up in three rings or fewer. Not an IVR tree. Not "press one for service." A person.
2. They give the company name and their own name. "Roundhouse Plumbing, this is Dana." Not "hello?"
3. They ask what is going on before they ask for anything else. Symptom first, address second. A caller who has to give their zip code before they can describe the leak has already formed an opinion.
4. They demonstrate knowledge. If the caller says the water heater is making a popping sound, the right answer references sediment, not "we can send somebody out."
5. They give a real next step. A time window, a diagnostic fee stated plainly, and a name. Vague is worse than expensive.

What they must never do: put the caller on hold twice, quote a flat price for a job nobody has seen, argue about the trip charge, say "we don't really do that" without a referral, or — the killer — let it go to voicemail. The mystery shopper does not call back.

Run this test yourself. Have your spouse or your brother-in-law call the main line at 4:40 on a Friday and describe a slab leak. Record it. Most owners find out their after-hours answering service is quietly costing them work. If the call is not answered at all, the score is not the real problem — the missed revenue is, and missed-call text-back automation is the cheap patch while you fix staffing.

What to do about the listing itself

Three moves, in order.

Check whether you are already on the page. Search "expertise.com best plumbers" plus your city. If you are listed and the phone number is your old one, that is a live problem and free to fix. The provider portal at expertise.com/update lets you edit basic information — phone, website, social profiles — and open cases for larger corrections. It is also where badge assets live.

If you are not listed, request a review at expertise.com/review-me. Expertise.com only opens self-requests in certain categories, and Home Improvement is one of them, so plumbing qualifies. Be aware that this page routes you to a sales conversation. Go in knowing what you want.

Fix the inputs before you ask. Requesting a review while your licence is expired, your Yelp page has four reviews, and your website lists two services is asking to be screened out of the 303. Get the fundamentals right first — and most of those fundamentals live on your own site, which is why a plumbing website that actually lists your services does double duty here.

The honest part

The "Best Plumbers in [City]" badge is partly bait. It exists because a badge gets you to pick up the phone when the sales team calls, and once you qualify you can pay to advertise on your category page. Their own city pages label those listings as Featured Providers. Ranking is not what you are buying. Visibility is. Be clear-eyed about that when someone quotes you a monthly number.

Also be clear-eyed about who reads it. Homeowners are not browsing Expertise.com. Language models are. Zero Google AI citations means this is a ChatGPT and Perplexity play, nothing more, and it is one of maybe a dozen sources worth influencing rather than the whole strategy.

But here is the part that makes it worth your time anyway: every single thing that scores well on Expertise.com is a thing that makes you more money whether or not you ever make the list. Current licence. Reviews on five sites instead of one. A published service menu. A phone answered by a competent human in three rings. That is not a directory strategy. That is just a plumbing company being run properly, and the directory happens to reward it. Fixing the phone alone will pay for itself before the mystery shopper ever calls — most shops are also losing three or four booked jobs a week to it, which is one of the dumbest and most expensive mistakes plumbers make.

If you want to know how your shop currently scores on all five of those categories — including the phone test, which we will run on you and play back, uncomfortable as that is — book a call with us. We start by telling you the truth, and sometimes the truth is that your marketing is fine and your Friday afternoon answering service is the whole problem.