They look pretty legit, real name, public domain registration data, etc.
You also recommend that same unknown website in most of your posts, which means you're totally related to it!
https://walletrecoveryservices.com/ is highly trusted on this forum, but here too: don't take my word for it, do your own research before trusting anyone with your wallet!
I wonder why didn't you already try to reset your ledger?
You can reset it as often as you wish without losing access to any of your coins.
But hopefully you have written down your seed correctly..
Even though resetting it shouldn't be a problem, just to be sure (and considering the amount!) I'd recommend to import the same seed into a new Ledger if you want to test the same seed.