I have a component
select and it has a lot of information about Bank account.
I need to improve it because this component will have more then 300 bank account. Is a good idea put in order the bank account?
You need to determine how the people selecting the account is making that selection. Is it by the last digits? By the first digits? Are the accounts associated with a person or company?
In any of these cases, you can add an active search by the last digits and you can also bold them if they are associated with a company or person you could also display the owner name on the right of each account.
If the user is almost always entering account numbers from the bank they work at, you could use a prefix, and save them from typing.
I don't know details of your use case, but you can arrange the search input so users can save some typing by prefixing any non unique digits, especially if this is a common and repetitive task: