Before you launch a site use the Wix hooks to link all of your social properties.
This is easy to do, but also easy to forget.
If you don't have social channels make the time to create them. The big 5 can be enough, but you will likely find some smaller social sites that target your prospect too.
First, you will need some prepared text, facts, and various logo images. This will make you social destinations far easier to create.