co-ownershipnoun [ U ]
/ˌkəʊˈəʊ.nə.ʃɪp//ˌkoʊˈoʊ.nɚ.ʃɪp/the fact of owning something such as a business together with one or more other people:
His commercial interests include co-ownership of a food company.
Co-ownership can work well for people who could not otherwise become homeowners.