I applied online. The process took 1 week. I interviewed at WTW (London, England) in Dec 2017
Interview
After completing an online application and a standard, not very difficult, psychometric test I was invited to complete a video interview using HireVue. they asked 4 questions overall. 2 I had to answer in a written response and 2 using video recording.
Interview questions [1]
Question 1
Out of 4 questions I answered, one that I found most difficult was to tell them about a time when I had to improve a process.