I have been approached by SJN Sales and I'm not certain it's a scam, but would be curious to know the details of your offer. As you said, it sounds like a very similar business model.
Did she, by chance, say that she had a list of pre-qualified prospects from an earlier contract that fell through?
I asked for references and was told they are on the website SJNSales.com -- but when you try to look further at any of their "clients" on the web, they seem to melt away into nothingness. After almost a week, they have not been able to produce a single reference from their "hundreds of satisfied clients", supposedly because of confidentiality and those clients' desire not to be bothered.