Clarify, who will be at the meeting, at what position your interlocutors in their company are, what projects they work at.
E.g., if you sell a new creative strategy for a big automobile company, and there is a representative of the sales department at the meeting, it's better to use calculations and schedules for the presentation , to show how the financial indications will grow.To remember all the theses, that you plan to say during the presentation, and to understand, what the client wants to hear from you, we recommend to fill in the
matrix of key messages.