#7) On mobile, if calls are important for your store, place a sticky CTA button at the top or bottom of the screen
Typically these appear on the right side. If you also have a section with those logos on the homepage, you can optionally omit them on the homepage footer. See best practice #36. Most sites that have logos and badges put them in the footer or right above the footer.
Contact information can include your phone, email, and social media.