Call for tenders: Study on how online marketplace design influences user behaviour
The European Commission is calling for tenders for an 8-month study to explore user interactions with Digital Services Act (DSA) mandated features on Very Large Online Marketplaces (VLOMs). The study will focus on Articles 16 (notice and action), 30(7) (trader information), and 31 (compliance by design) of the DSA. The contract has a maximum value of EUR 400,000. Tender closing date is 23 September 2026.
What changed
- Publication of tender call with details on study scope, budget (EUR 400,000), contract duration (8 months), and submission deadline
Who is affected
Organizations with expertise in user experience research, behavioral research, quantitative or mixed-methods research, data analysis, and dataset development working with online marketplaces.
- Deadline
- 2026-09-23
- Language
- EN