GESIS Leibniz-Institut für Sozialwissenschaften
Germany · 4 open tenders · 44 documented awards
Current tenders
Purchasing rhythm
Awards per year — who knows the rhythm prepares before the notice appears.
201811
201911
202013
20216
202212
20237
202432
202512
202617
Who has won here before
| Company | Awards | Period |
|---|---|---|
| infas Institut für angewandte Sozialwissenschaft GmbH · Bonn | 6 | 2018–2024 |
| O.phon Leipzig GmbH · Leipzig | 4 | 2025 |
| Kantar GmbH | 3 | 2022–2024 |
| Kantar Public · München | 3 | 2017–2019 |
| Ipsos GmbH · Hamburg | 3 | 2016–2023 |
| Verian, Mantle Germany GmbH | 2 | 2024 |
| Kantar Deutschland GmbH · München | 2 | 2012–2019 |
| TNS Infratest Sozialforschung GmbH · München | 2 | 2009–2015 |
| respondi AG · Köln | 2 | 2016–2020 |
| Omniphon GmbH · Leipzig | 1 | 2021 |
From 13.7M documented awards · regular winners know this buyer's requirements — that is your competition.