Inorder to answer the "how", it is important to have "why should I check into SFI.
Once you have the "why" clearly shared to them, they will surely check out SFI and more likely join in some capacity.
"Why" is critical to any business decision and since you are interacting with business owners to check out SFI, they will be willing to do so when you explain "why" SFI is for them.