Swindlers just fleece people and promote rogue companies who pays them. Firms with great credibility will be hidden because they dont pay their ransom. If you pay them they have an audacious way of stealing your money from your bank without your consent.
I had once registered and paid for them and did not even get a single incoming calls. Then I had difficulty stopping them because they have a syatem to steal money from your bank account without asking you. I had to finally approach my bank to realise that they have a nasty system containing a permission to withdraw money directly from your account.