Which kind of enterprise account do you mean?
In Chinese-speaking markets, enterprise account can mean two different things. One is the Apple Developer Program enrolled as an organization, used to publish apps on the App Store. The other is the Apple Developer Enterprise Program, meant for internal distribution inside large organizations. It cannot be used for public releases, and Apple applies stricter eligibility checks, with current conditions shown on Apple's own pages. Most buyers asking about it actually want the first type. Write down the use case first: public release, TestFlight testing or internal distribution. Internal distribution is usually something to apply for directly, not to buy.
D-U-N-S checks come down to name, address and entity status
Organization enrollment relies on a D-U-N-S number, and Apple compares the legal name, address and contact details tied to it with the application. For a buyer, the number itself matters less than whether the data behind it matches the organization name shown in the account. Ask the seller for the organization name in the account, then compare it with the public D-U-N-S record. Check that the legal name matches, that the country matches the account region, and that the company still exists. D-U-N-S is a record about the entity, not an account credential, so buying an account does not transfer ownership of it.
The legal entity decides who is responsible
The account is bound to an entity, not to a number. After release, the seller name shown on the App Store is that entity, and privacy, tax, refund and compliance duties follow it. Look at the organization name, Team ID, who the Account Holder is, and who accepted the agreements. If the entity is not your company, decide whether you are comfortable publishing under someone else's name. Name changes and account transfers go through Apple's own process and document requirements, which you should confirm on Apple's pages. Do not plan to edit details after purchase to make them fit, and do not accept any approach that relies on altered documents.
A pre-order checklist and when to stop
Confirm the following one by one: the organization name in the account matches the D-U-N-S record; the account is in good standing and you know the membership expiry date; the Account Holder can cooperate during handover; whether the account carries existing apps and what seller name they show; and whether the account country fits your target market. Stop if the names do not match, if the seller will not show the account status, if the entity is dissolved or inactive, or if the account is restricted or pending. These problems are hard to fix after purchase and deserve more weight than price differences.
When an individual account is the better fit
If you do not need a company name on the App Store and have no entity to enroll with, an individual account has a lighter check burden and no D-U-N-S requirement. The trade-off is that your personal name is shown as the seller, and team collaboration is more limited. When you need a company name, multi-person teams, or an app tied to a business identity, an organization account makes sense. Choose by entity and display needs, not by whether the account is called an enterprise account.
FAQ
Can a D-U-N-S number be transferred along with the account?
Not as an account asset. It is a record that belongs to the entity itself. What a buyer can verify is whether the organization name in the account matches that record.
Can I rename a purchased organization account to my own company?
Do not assume so. The organization name reflects a legal entity, and changes need supporting documents and Apple's review, so check Apple's current process. If you must publish under your own company name, pick an account whose entity is already yours.