Google Maps for Android and iOS updated with new messaging features
blog post. Also, shops and restaurants that have a Business Profile with Google will see the new Message button appearing on their listing as well, together with call shortcut.
The communication between a consumer and business accounts happens in a clean messaging interface, and conversations can be accessed from the Messages section in the Maps app at any time.
However, if you're a business, you'll have to install the latest version of Google My Business app from Google Play or App Store so that you can accept messages from potential customers.
In the same piece of news, Google announced the users in additional regions will get the option to message a business, although there's no mention of any country yet.