How long does it take to fill in the questionnaire? Boris Abramovic April 18, 2019 02:37 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 Do I need to prepare in any way before I start completing the questionnaire? What type of supporting documents can I provide? How do I access my company's questionnaire in the EcoVadis platform? What is a supporting document? How do I register my company for an assessment? Comments 0 comments Article is closed for comments.