NAP consistency means your business name, address and phone number read exactly the same everywhere your business is listed. It matters because Google and AI assistants cross-check those details, and conflicting versions make them less sure which business is yours.
You fix it by settling one correct version and bringing every listing into line with it.
Every move or new phone number leaves the old details sitting on directories you may never have visited.
What is NAP consistency?
NAP consistency means a business’s name, address and phone number appear exactly the same on every website, directory, map and profile that lists it. The initials come from name, address and phone, the details a customer needs to find you and ring you. Consistency is an exact match, unit number and spelling of the name included.
A missing unit number counts, and so does an old mobile or “Pty Ltd” turning up on some listings and not others.
Anyone reading two of those listings would take them for one business, but Google is more careful about assuming.
How conflicting NAP details build up across the web
Conflicting NAP details build up across the web through ordinary business events, such as a move, a new phone number or a change to the trading name. They also build up through listings other people create from whatever details they found at the time.
Local SEO calls each place your details appear a citation, whether that is a directory, a map or someone else’s website. You created some of yours, and others were copied from an older listing or an old version of your website. (The directory you’ve never heard of has heard of you.)
When the details change, the listings you know about get updated and the others keep what they copied. That leaves six recognisable patterns.
An old address still live. The previous premises stays listed long after the move.
An old or second phone number. The cancelled landline, or the mobile from the first year, stays on every listing nobody told.
Variations on the business name. The shopfront name, the legal name and a shortened version can all be live at once. Say a practice trades as “Pelican Row Dental” and is registered as “Pelican Row Dental Care Pty Ltd”. To a system matching records, those may be two businesses.
A unit number in some places and not others. “Suite 4, 9 Ferry Lane” and “9 Ferry Lane” can read as two different addresses.
Duplicate listings. One platform lists the business twice, once as the owner set it up and once from an older record.
One wrong detail repeated from a shared source. When the same wrong number turns up on several sites, it has probably come from one place. Some directory networks run several sites off one database, and some listing services push a business’s details out to maps and other directories. One bad entry reaches all of them.
Some citations matter more than others, and choosing local citations worth the effort covers which.
- List every change to your name, address or number since you started trading, with rough dates.
- Ask whoever has run your marketing which listings they created or paid to have created.
- Treat any listing older than your latest change as out of date until checked.
Why Google and AI assistants need your business details to match
Google and AI assistants need your business details to match because they check those details across every source they can find. When the sources agree, they tie your name, location and number to one business with confidence. When they conflict, they hold back.
A profile, a website and a dozen listings all giving one address are strong evidence. Two listings with a different number leave Google guessing between an old number, a second branch and another business. Google keeps the weighting to itself, and I won’t pretend to know it.
Tying the three details to one business is a large part of what Local SEO does for a local business. Conflicting details can also be one of the gaps behind a business missing from Google Maps.
AI assistants rely on the same cross-checking. Asked for a physio nearby, an assistant names a handful of businesses, and a business whose details disagree is easy to leave off. How AI assistants choose local businesses to recommend goes further into it.
- Search your business name on Google and compare the details shown with your current ones.
- Ask an AI assistant for your business’s address and phone number, and note anything out of date.
- Treat any old detail either one shows as a sign an old listing is still being read.
Checking your business listings against one correct set of NAP details
Settle one correct set of NAP details, then compare it with your website and your Google Business Profile, which is Google’s own record of your business. Then go looking for business listings that still carry old or variant details.
That one correct set is sometimes called the canonical version, the exact form every listing should copy. Decide it in writing, down to whether the name carries “Pty Ltd” and the address says Suite or Unit.
Once it exists, every listing is either a match or a job.
The website and profile come first because you control both and Google reads both closely. A discrepancy between profile and website is your own sources contradicting each other, and it is the quickest conflict to fix.
For everything else, your old details make the best search terms, because the old number, previous address and any earlier name find the listings that are wrong. Doing that across every kind of source is the step-by-step NAP consistency audit.
- Write down the one correct version of your details, in the exact format every listing should use.
- Compare your website and Google Business Profile with it, and correct either before looking further.
- Search your old number, previous address and any earlier business name, and list what comes back.
What it takes to bring every business listing into line
Bringing every business listing into line is quick for the sources you control and slower for the rest, and some platforms take weeks to show a change. Google checks Business Profile edits before they go live. A business that moves has to verify its profile again, repeating the check Google ran when it was set up, and one that changes its name might need to.
Trace any repeated error to its source. Correcting the record at the directory network or listing service behind it clears some copies as those sites refresh, and the stubborn ones get done by hand.
The listings other people created, including the ones you never knew about, have to be claimed, by proving to the platform that the listing is yours, or reported before you can change them. Some platforms give you only a contact form and an open-ended wait. Duplicates need a removal request, which the platform may refuse. A listing still wrong a fortnight after you fixed it may be waiting its turn.
The last piece is a record of every listing, its login and the date you last corrected it. When your phone number next changes, that record turns the whole exercise into a list of logins. Keeping that list is the habit I’ve seen hold a business’s details steady through 25+ years in search.
The NAP work in the Local SEO service at Belmore Digital runs in this order, from the one correct version to the record.
- Correct your website, profile and social profiles on the same day.
- Trace any detail repeated across several sites to its shared source, and correct that source.
- Claim or report the other listings, starting with those that show up for your business name.
- Keep a record of every listing, its login and its last correction date.
FAQ
What is NAP consistency? NAP consistency is the exact match of a business’s name, address and phone number across its website, Google Business Profile, directories, maps and social profiles. A missing unit number, an old mobile or a different version of the name on any of them breaks the match.
Why does NAP consistency matter for Local SEO? Google and AI assistants confirm who a local business is by comparing its details across many sources. When the details agree, they can connect the name, location and number to one business with confidence. When they conflict, the business is harder to verify and easier to pass over.
Can I fix NAP inconsistencies myself? Yes, and fixing them means deciding one correct version of your details, correcting your website and Google Business Profile, then claiming or reporting every listing that differs. Duplicates need removal requests, and a detail repeated across several sites is best corrected at its shared source. Some platforms take weeks to show the change.
What counts as a NAP inconsistency? Any difference from the one correct version of your details counts. The usual forms are an old address still listed after a move, an old or second phone number, name variations, a unit number shown in some places only, and duplicate listings.
TL;DR
- NAP consistency means your name, address and phone number match exactly on every listing.
- Conflicting listings build up through moves, new numbers, name changes and other people’s copies.
- They show up as old addresses, old numbers, name variations, missing unit numbers, duplicates and errors from a shared source.
- Google and AI assistants cross-check your details and commit more readily when sources agree.
- Settle one correct version, check your website and profile first, then search for the old details.
- Your own sources are quick to fix, some platforms take weeks, and a record stops it starting again.
If you’d like to know how consistent your NAP details actually are across the web, get in touch with JB.
