It started with a phone screening interview, then a couple in person interviews with the hiring manager in HR and the project team. You should have the chance to meet the person who will be your manager. They were recently acquired by Ipsos so pay attention to what the morale and culture is like now that they have merged. If you can, ask what the transition has been like and notice if there are any differences in their responses. Consider how that environment may impact your day-to-day job.