Regression Analysis can surely help. You may begin with the Survival Analysis, Time Series Models to Logistic Regression , Discrete Choice Models and so on.

Though, I am not sure if this is the right response, but Pega BPM has a tool known as Next Best Action Marketing (NBAM) Framework that can be used for predictive analytics for marketing firms.

@mohana_kodipaka Is it also possible that a company engages in advertising but does not sell any product… for instance NGOs… or free mobile applications that are just focussed on collecting user data? :unsure: