Shirkah Al-Mufawadah - Islamic Cooperative Partnerships
Definition
Islamic Markets:
"A contract of partnership in which all partners are equal in respect of equity, and have right to conduct business for cash or credit. All of them are mutual agents and mutual sureties for one another. They can agree to unequal ratios of profit but the liability to share losses remains equal."
(https://islamicmarkets.com/dictionary/s/shirkah-al-mufawadah)