If you only ever fix one thing on your Google Business Profile, fix the categories. Your primary category decides which searches you can appear in at all. Not how high you rank, whether you are in the race in the first place.
Most business owners have never looked at theirs. Plenty are running on whatever Google guessed when the profile was created, or whatever seemed close enough on a busy afternoon years ago. This guide explains how categories actually work and how to set yours properly. It takes about twenty minutes.
The primary category is the big lever
Every profile has one primary category and up to nine secondary ones. They are not equal. The primary category is the strongest single signal Google uses to decide which local searches your business belongs in. When someone searches "plumber near me" or "accountant Dunedin", Google is largely matching their search against primary categories.
Two rules follow from that.
Be as specific as the list allows. Google maintains a fixed list of a few thousand categories, and you can only pick from it. If you are a gasfitter, "Gasfitter" beats "Plumber", and both beat "Contractor". A broad category puts you in a bigger race against businesses that match the search better than you do.
Match what you actually want to sell. Your primary category should reflect the work you want more of, not the work you happen to do most. A builder who wants renovation work over new builds should check whether a renovation-specific category exists before defaulting to "Builder".
Secondary categories fill out the picture
Secondaries tell Google the rest of what you do. A plumbing business that also does gasfitting and drain laying should hold "Gasfitter" and "Drainage service" as secondaries, because those are searches it deserves to appear in.
Three habits keep secondaries working for you rather than against you:
- Only claim what you genuinely offer. This is the rule that matters most, and it is not just about honesty. Categories you cannot back up dilute the profile, confuse Google about what you are, and in the worst cases trigger a review of the whole listing.
- Keep the list short. One to four secondaries is the healthy range. Ticking everything that looks vaguely related makes the profile say less, not more.
- Delete the junk. Generic categories like "Service establishment" or "Business service" say nothing and earn nothing. If a category has no matching service on your website, it should not be on your profile.
Check what your competitors hold
Search your main service and your town, and look at the three businesses in the map results. Open each profile and note their categories. When two of the three hold a category you also genuinely qualify for and you do not hold it, that is a gap costing you searches. When you hold a category none of them do, ask yourself honestly whether you should.
Change one thing at a time
A practical warning from experience: make one category change, save it, and let it publish before making the next. Batching several major profile edits in one session, categories, name, address together, looks like suspicious activity to Google's automated systems and can put a profile into review. Slow is safe. Log what you changed and when, so if rankings move later you know why.
The honest bit
The mechanics above are the whole process, and you can absolutely do them yourself. The part that is genuinely hard is the judgement call: which category should lead when two are plausible, whether a specific category is worth taking over a broader one with more search volume behind it, and how the categories should line up with the pages on your website. Those choices are where getting it wrong quietly costs you for months, and they are the part we get paid for. The steps are free, the confidence is the product.
Where to start
Run our free local visibility audit. It scores your categories against your competitors and your own website, and tells you exactly which changes are worth making, in what order. If you would rather do it yourself from there, the checklist is yours. Get in touch to request your audit.
Related guides: How to Get More Google Reviews, the Steady Way · Describing Your Services for Local SEO: Website First · How to Get Found by AI Search
