Corporate Finance Role applicants have rated the interview process at Essilor 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 53.6% positive. This is according to Glassdoor user ratings.
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Everyone I interviewed with felt supportive and glad to be interviewing me. It was definitely more of a behavioral based interview than quantitative. The interview lasted roughly 30 minutes. The one criticism I have is that it took them a while to get back to me on whether or not I got an offer.