You have to continually post here, and be interactive!
What’s a Business Profile? Your Business Profile is a free tool that allows you to take charge of the way your business appears on Google Search and Maps. With your Business Profile, you can connect with customers, post updates, list your products and services, accept online orders, and more.
Google business listing is FREE. To sign up for the service, all you need is a Google Account!
Go to https://business.google.com/create and log in using your Google account.