With inquiry removal you can get the items taken off in as little as 24 hours. Typically permanent removal, what we do here, takes 30 days through the postal mail. The 24 hour offers you see are scams and it is not possible to permanently remove inquiries in 24 hours.

What are the Credit Bureaus? Do I need to fix each one?

Transunion, Equifax and Experian are the three of top concern. Each bureau keeps separate reports. It is important that you look at
all three of them and manage them appropriately. They all might report the same thing, but more than likely they will all have differing reports on you.