Local search rankings rely on Google trusting your business data. When your NAP...

https://source-wiki.win/index.php/How_to_Use_%22Suggest_an_Edit%22_on_Google_Maps_to_Fix_Incorrect_Business_Info

Local search rankings rely on Google trusting your business data. When your NAP consistency is off—meaning your name, address, and phone number vary across the web—Google gets confused and pushes your profile down