Specifically, adding pre-defined services in GBP seemingly impacts local search rankings. GBP services didn’t majorly impact local rankings back in 2019 when we conducted the initial test. At the time, Google was slowly and silently adding pre-defined services to plenty of GBP categories. Both tests showed that adding pre-defined services to your GBP listing significantly improves local search rankings. Track your local search resultsAs with everything in local search, you should take many screenshots to track results.