General Insurance applicants have rated the interview process at Aon with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 60.4% positive. This is according to Glassdoor user ratings.
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Had an online recorded interview through Hirevue. Questions were straight forward competency based questions. Between each question, there were a couple of seconds given to prepare before it starts recording (there is also a countdown to notify you that the recording is starting :)). It's been a week since the interview and got a letter saying they'll let me know within next two weeks. Overall, I felt it was a good experience. Just be yourself and you'll be fine :)