I would not look just at the technology that they use. The first step in a successful Predictive Analytics Service is to know the problem you're trying to solve, how clean your data is, what report you need, and what you are looking for. It should also provide an understanding of the workings of the model and not just a prediction. Inquire about data security, data integration, continuous monitoring, and data outcomes measurement. When you need external advice, Datalance can help you talk about what you need and what is feasible with less complicated, advanced tools that may or may not be necessary.