Internal links help to distribute link equity and ranking power throughout your site. LinkedIn Database Linking back to your homepage enhances its authority as search engines interpret it as a central hub of content.
Use contextual and natural hyperlinks within the body of your content to link back to your front page. You can implement breadcrumb navigation showing the path back to the homepage.
Almost universally, the company logo at the top of each page should link back to the homepage. This is a standard practice that users expect as it provides a quick and easy way to return to the start.