Applied on their website, and received an e-mail from them after 2 weeks that they would like to proceed the process. Got invite to complete 3 online tests - numerical (personally I think the test is very easy, requires you to know some basic maths), financial (you do need to have some financial knowledge - markets, indexes) and excel (which just did not work properly, I think I could not answer a couple of questions just because the system did not allow me to - at that moment I thought I have failed it). But in a week they emailed me again and told that would like to give me one more excel test at a pre-arranged time and I needed to complete it in 30 mins and send it back to them. The test wasn't very difficult but you need to how some functions work. In a couple of days got an invitation for a google chat interview. Questions about motivation, why Factset, about competitors and what differentiates them. I think it is very important to know the difference between IM, IB and PE.