Freelance Resecher applicants have rated the interview process at Ecolab with 2 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 69.3% positive. This is according to Glassdoor user ratings.
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The interview is a 5-minute presentation, followed by 5 minutes for questions and answers. I am yet to take the interview. I will update this after the interview. My interview date is next week on Tuesday.