This one has no progress for a long time.
Even if they use a reputed escrow, still they didn't attract potential investors.
They also removed the links under their profile.
And as I said before, if they are really running a legit business, they will not only put the email ad (
info@proprofi.com) as their means of contact since you are in a construction biz.
Clients need more than an email to tap the company's services.