Used to express that something is done after or on the grounds of something else; 'after', 'on the basis of'.
Long explanation:
The ~上で grammar point is used to indicate that an action or decision is made after or on the grounds of another action or condition. It can be translated as 'after' or 'on the basis of' in English. It is commonly used with verbs in the ます-stem form (also called the 連用形) and nouns.