Yes, most of the business listing websites (~97%) presented in this list are free to register and build backlinks.  

Yes, Business Listing backlinks do help in SEO if you use them judiciously. Any type of link building activity can raise a red flag to Google if you do it unnaturally and bulk building manner. 

Business Listing Sites are ones where one can register and create a business listing. There are multiple benefits of doing this. First, you get a backlink for your efforts and second, you build your presence on a channel that could bring you new customers. 

You can outsource this task to us at Rankfrog. We can do this for you at an affordable price. Checkout our plans here.

Yes, of course we have a Link Building Team, that can build a variety of niche relevant, high authority backlinks for your website. Check out our Business Listing Plans here.