How to add my business page to my facebook profile

Login to Facebook on a computer to submit a request to merge Pages. From your Feed, click your profile picture in the top right. Click Settings & privacy, then Settings. In the left menu, click New Pages experience, then Merge Pages.

Select Edit profile. Under Public business information, Select Page. Tap Create Facebook Page or Connect an existing Page. Choose a Page from your Pages that you'd like to connect to or select Create a new Facebook Page.