How much information should I give Google on My Business?
As much as possible. Google Maps gives you a great opportunity to add content like address, opening times, images, and even products and services to the Maps and Google index. Fill out as much of this listing as you can, especially the images, video, and company description. Aim to get around 10 (or more) genuine Google reviews too, as these are good for your trust and authority in Google and can help your listing.
Related blog posts