Industry directories

What directories do in an answer

A general listing tells an assistant that a business exists, where it is and when it is open. A trade directory tells it something more specific: that this dentist is licensed and takes these insurance plans, that this contractor holds this license class, that this financial advisor is registered with the SEC. When an assistant answers a question that involves trust (a medical treatment, a legal problem, money, work on a home), it looks for that kind of confirmation.

Bay Area AEO's industry pages make this concrete. The professional services page lists “directory consistency” as a signal, meaning accurate profiles on the industry directories and review sites AI relies on. The health and wellness page lists “health directory profiles”: accurate, complete profiles on the medical and wellness directories AI cites most.

Two kinds of directory

It helps to separate two kinds. The first is commercial directories and marketplaces, such as Healthgrades, Zocdoc, Avvo, Justia, Houzz and Psychology Today, where the business manages a profile. The second is official records kept by regulators and licensing boards, such as the Contractors State License Board (CSLB) for contractors, the State Bar of California for attorneys, and the NMLS registry for mortgage professionals. The business does not edit the official records directly, but it can make sure everything it publishes matches them exactly.

Assistants treat official records as the strongest confirmation, because nobody can buy a better listing there. A license number on a website that matches the state's record is a fact an assistant can check.

Directories and records by trade

The table below collects every directory and official record named in the niche signals on Bay Area AEO's industry pages. It is a starting list for each trade, not a ceiling.

Working through commercial directories

For each commercial directory that matters in the trade, the steps are the same as for the general listings. Claim the profile. Compare every field with the master business record. Fill in everything the directory allows that a customer might filter on: specialties, insurance plans, languages, accepting new patients or clients, telehealth, payment options. Write the description from the master record's paragraph. Add a real photo of the practitioner or the work.

Profiles for individual practitioners deserve particular care. Bay Area AEO's dentist page asks for dentist bios with schooling, specialties, memberships and languages, consistent with Healthgrades, Zocdoc and state license records. That means the bio on the website, the Healthgrades profile and the Zocdoc profile should say the same things in the same terms, down to the dental school and year.

Matching the official records

For official records, the work runs the other way. Look up the business and each licensed person in the regulator's public lookup, copy the license number and exact name as the record shows them, and put those values in the master record. Then display them on the website, in the structured data and on every directory profile that has a field for them.

Bay Area AEO's home services pages are specific about this. The plumbers page lists CSLB C-36 verification: the plumbing license number displayed and consistent with state records. The roofing, electrical, painting and landscaping pages each name their own CSLB class the same way. A homeowner asking an assistant for “a licensed roofer in Santa Rosa” is asking for exactly that check.

Health and wellness

Medical and wellness directories are where patients compare providers, and where assistants find insurance and availability facts. The work is mostly completeness: every accepted plan listed, new patient status current, every provider's credentials stated. Bay Area AEO's dermatology page adds a point worth copying across health trades: keep medical and cosmetic services clearly separated, so an assistant can match a patient's intent. A patient asking for a mole check and a patient asking about a cosmetic treatment are asking different questions.

Legal and financial services

For law firms, Avvo, Justia and Martindale-Hubbell profiles should list practice areas, bar admissions and education consistently with the State Bar record and the attorney bios on the firm's site. For financial advisors, Bay Area AEO's page names the regulatory records directly: firm and advisor details matching SEC IAPD, FINRA BrokerCheck and CFP Board records. These are records an assistant can check, and advisors are held to strict rules about what they publish, so consistency here is both a visibility matter and a compliance one.

Home services

For contractors, the CSLB license is the anchor. Display the license number and classification on every page footer, in the structured data and on Houzz, Angi or any other marketplace profile the business keeps. Manufacturer locators are the second layer: Bay Area AEO's HVAC and roofing pages list dealer and installer certifications that are listed and verifiable on manufacturer locators. When a homeowner asks for a certified installer of a particular brand, the manufacturer's locator is often the source an assistant checks.

Food, drink and visitor guides

Food and drink businesses have directories of a different kind: tourism boards, regional guides and trail maps. Bay Area AEO's winery page is direct about their weight: regional tourism boards, wine guides and travel writers are top AI sources for wine country. Its brewery page names regional brewery guides, ale trails and tourism sites that AI pulls into itinerary answers. For a tasting room in Sonoma County or a taproom in Livermore, a correct entry on the county visitor bureau's site and the regional winery or brewery association's map does the same job a CSLB record does for a roofer: it is an outside source confirming what the business says about itself.

These entries are usually free or part of membership, and they are often maintained by a small staff who will happily correct an old phone number or add a new tasting experience if asked. Find the ones that cover the business's area, check each entry against the master record, and send corrections by email with the exact wording wanted.

Which directories first

A business does not need every directory. Start with the ones that come up in the audit: the sources Perplexity cites and the ones ChatGPT names when asked where it found its information. Then add the official record for the trade, and the two or three commercial directories that customers in the trade actually use. Skip low-quality general directories that nobody reads; they add little and create more places for facts to drift.

Keeping them current

Directory profiles go stale quietly. A dentist leaves the practice and stays listed on Zocdoc. A license is renewed and the expiry date on a profile is never updated. A firm changes its name after a partner retires. Add every directory profile to the monthly listing check, and review practitioner profiles whenever staff change. When a practitioner leaves, update or close their profiles and remove them from the website in the same week.

Renewals deserve a calendar entry of their own. Licenses, board certifications and partner statuses expire on fixed dates, and an expired certification still shown on a profile is an inconsistency an assistant can find by checking the issuing body. Note each renewal date in the master record and update every profile that shows the credential once the renewal is confirmed.

Related chapters20. Credentials and licenses · 12. Yelp and booking platforms · 8. The master business record · 39. Professional services firms