How long does it take to fill in the questionnaire? The EcoVadis Team April 02, 2020 06:41 Updated It will take approximately from a few hours to a few days to complete the dynamic questionnaire and upload all required documents. This depends on your company size and CSR maturity level, as well as whether you have all the requested information (including documents) at hand. Related articles Why do some of my questions already have an answer? Do I need to prepare in any way before I start completing the questionnaire? I don't know how to answer one or more questions. What should I do? What if I need more time to complete the questionnaire? What type of supporting documents can I provide? Comments 0 comments Article is closed for comments.