ČPS uzavřela smlouvy o spolupráci se:
- Societas pedologica slovaca, Smlouva zde.
- Soil Science Society of Poland, Smlouva zde.
- Hungarian Soil Science Society, Smlouva zde.
- Watershed management society of Iran, Smlouva zde.
- Austrian Soil Science Society, Smlouva zde.
- The German Soil Science Society, Smlouva zde, fotky zde.
- The Serbian Society of Soil Science, Smlouva zde, fotky zde.