Offshore banks are just like normal banks and they may offer many of the same services. The individual offshore bank is often specialized in either company customers or individual customers and the exact services offered depends on this specialization.

All offshore banks let you deposit and withdraw money. This is done in the same way as in a normal bank. Most offshore banks will issue credit cards that the you can use in ATMs around the world.

Some of the other services that might be offered by an offshore bank are:
- Money transmissions
Transferring money between accounts and transferring money when the depositor buy and sell securities.
- Loans
When the depositor is borrowing money from the offshore bank.
- Foreign Exchange
Dealing with different currencies and trading currencies.
- Investment Management
The process of managing money in the form of securities (stocks, bonds, etc.). Also called portfolio management and money management.
- Fund Management
Investment of the depositors money in order to increase the total result. The offshore bank might have several fund managers who invest the depositors money.

Since many offshore banks do not have any branch offices, most of the offshore banking services will be accessed through the Internet. The Internet access to the offshore banks works in the same as Internet access to a normal bank and is most often secured with the use of access codes.

All offshore banks charge money for use of their offshore banking services. The price varies a lot between the different offshore banks.