In the case of corporations which are required to have a common seal, execution of documents is done under the common seal of the corporation. The seal is affixed in the presence of either 2 Directors of the Company or a Director and the Company Secretary.
There are other corporations that are not required to have a seal or they may have a seal but their Memorandum and Articles of Association allows them to have attorneys sign the documents on behalf of the corporations. Corporations which are not required to have a common seal will usually have their documents executed by a duly constituted Attorney of the corporation or an officer of the corporation who is authorised to execute documents on behalf of the corporation by the corporation’s charter.
The National Bank of Kenya is one corporation where a duly constituted attorney may sign on behalf of the corporation.