At minimum you will need:
Document confirmation for the identity of the beneficiary of the company and the person managing the account, if they are different people;
Corporate documents for the company;
Document confirmation for the address of the beneficiary and the account manager;
A description of your business, including information about products, partners, countries of incoming and outgoing payments, expected turnover, etc.
Different banks have different lists of required documents, so the list of documents and requirements for a client will differ depending on the bank and the jurisdiction of your company.