Increasing the number of "Likes" on your Facebook business page is important for expanding your reach and built-in audience, and many people spend a lot of money trying to do just that.
There is however, a long and easy method of continually increasing your page's "Likes" that isn't nessarily obvious. We say long and easy, because it can be time-consuming, but it's absolutely straight-forward, won't cost any money, and actually attracts "Likes" for your page that are already interested in it. The feature we'll be discussing doesn't show up on some versions of the app. So, we recommend using a browser, to do the following.
On any of your page's posts, if it has gotten any reaction, whatsoever, you're currently able to "Invite" anyone who doesn't already like your page. To do this, click on the number of reactions, and you'll see a list of everyone who reacted. To the right of their name and profile picture, you will see an "Invite" button. Click it, to send an invitation