How long does it take to fill in the questionnaire? Boris Abramovic September 25, 2018 14:40 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 What should I prepare to complete 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.