We have a website with social signal of Google+, Facebook & twitter on our home page. I understand that for getting higher ranking on the search engines the Facebook likes & +1 that are receive for this page will help me in search engine ranking. I have a sister concern company which has its own social media profile. Which will be better for my site for search engine rankings?

A. a like that I received from social media profile of my sister concern
B. a like received from dedicated social media profile of my own website.
C. Both are same.

Please suggest us..