Google decides which searches you're eligible to appear in largely from your categories. Get the primary wrong and you can do everything else right and still not show up.
It takes five minutes to check and it's free. It's the highest return per minute of anything in local SEO.
The primary category does most of the work
You get one primary and up to nine secondaries. They are not equal. The primary carries far more weight than all the secondaries combined, and it's the one Google shows under your business name.
So the primary should be the single thing you most want to be called for, not the thing that covers the most ground.
How to find what your competitors use
The three businesses ranking above you in the map pack have told Google what they are. You can just look.
- Search your main term in an incognito window and open the top listing.
- The category sits right under the business name on the profile.
- Do it for all three. If all three share a primary and you've got something different, that's your answer.
- Changing your primary to match is legitimate as long as it's genuinely what you do. Picking a category for a service you don't offer is a guideline breach.
Secondary categories
Add every category that describes something you genuinely offer. Each one is another set of searches you become eligible for, and there's no penalty for a full list as long as it's honest.
A plumber might carry gas fitting, drainage service, hot water system supplier and bathroom remodeller alongside the primary. That's four more doorways in.
What you don't do is load up categories for work you'd turn down. Google cross-checks against your website, and a listing claiming services the site never mentions is a suspension risk.
The mistakes that cost you
- Leaving the default. Plenty of profiles were auto-created with a generic category nobody ever changed.
- Primary set to your biggest job type instead of your most-searched one. Full bathroom renos might be your best money, but if “blocked drain” is what people type, the primary has to earn you that search.
- Changing it constantly. Each change is a signal and rankings wobble for a week or two after. Pick well, then leave it alone for a few months.
- Picking a category your website doesn't back up. Add the service page before you add the category.
How to change it
Search your own business while signed in, hit Edit profile, then Business category. Change the primary, save, and leave everything else alone that day. Give it two to three weeks before you judge the effect, and don't change anything else in the meantime or you won't know what did what.
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