Jeff Layman presented the following explanation :
They don't seem to have audited that job "upon completion".

Or is this the curse of an "electronic" society where no physical records
exist, and if something goes wrong, it's lost in cyberspace?

So very easy and low cost, to simply set up a website offering such
services, but not have any engineers on the books. Not difficult to
just seek out engineers within range of an address, to call them, have
them agree they pay you a percentage for the lead you provide.