There are many resources for you to connect online and in person.

He has an online network called Financial Friends Network.

I wanted to see if he was legitimate or not, so I did my due diligence.  

I have searched and filled out endless online forms only to have lenders offer me unsecured loans or other products, but not a heloc.  

If you're more of a 'personal referral' person than a 'do research online' person, and this is local to you in Manhattan, KS, hit up one or two of the trades people in the "little apple all stars" BNI group.

Was it via docusign or some other online signing platform? 

I'm looking to do a cash out refi on a duplex I have, but I cannot find any reviews online or much of an online presence for them.

This is a common misconception but we're an online platform where the owner chooses their own price and selects their own tenants.

Unfortunately, while all the online places area great sources of information, you are much less likely to take action, or find someone to shadow, when online in a forum. 

You can also check their reviews online at Google, Facebook, or Yelp.