Google Business is a free service from Google that helps your business in multiple ways including improving your search engine result page ranking. If you add your business to Google Business, customers can leave reviews and if you managed to get a lot of positive reviews and ratings, you will gain better exposure in search results. First of all you need to create a profile and add introduction, picture, address, web address, contact numbers and email. You can then add products and services you are selling. You can even add important question and answers.