I applied online. The process took 2 months. I interviewed at Mercer (London, England) in Feb 2020
Interview
online application with cover letter and cv, video interview followed 2 days later, assessment centre compromising of 6 individual stages that were completed in a random order from other candidates .
HireVue, Phone screen, Superday. They asked about some questions about using incomplete data sets and how I would take on different challenges I faced. Everyone was very nice and helpful throughout the process.
Interview questions [1]
Question 1
When is a time you had to make a conclusion using an incomplete data set?
3 hour final round interview. There was only 1 case but 2 long behaviorals for the interview. The people were very nice throughout the process and I enjoyed it. Case interview was hr-related, so make sure you know hr cases