There are other potential factors which are hard usa email database to quantify such as age of listing which I simply can't comment on and I have read things about Google placing higher rank on reviews that are created with Google Users who have detailed user profiles but in my practice have not noticed this to make a lick of difference. Tips to improve your listings Provide as much info to Google when you claim and fill out your local listing.
Title is most important of the user controlled facets of the listing and must have your keywords in it, though its overall weight is declining. That said be care of spamming, Google will eventually streamline this further and you don't want to be on the outside looking in. No need to put your city in the title, Google is smart enough to know where your business is located with your provided address. keywords and location in your description will help but not much.