https://bitcoinbuilder.com/ full name of the founder is at the bottom of the page, Josh Jones (founder of Dreamhost).
You can look up the company "BITCOIN BUILDER, INC." here: http://kepler.sos.ca.gov/
This will be more and more common and isn't a bad thing. None of those provide any real safeguards and frankly, private domain registration is pretty common. I wouldn't dump > a half weeks paycheck in there, but measuring risk and reputation will no longer be a simple BBB or Dun and Bradstreet lookup.
I believe CoinsSource provided a trust index for altcoin developers at one point [0], and it looks like Bitrated has a web-of-trust-based system for bitcoin-denominated transactions [1].
[0] https://www.cryptocoinsnews.com/cryptocurrency-trust-index-d...