This chapter explores, analysing the case of Spain, the often-held assumption that a strong agricultural cooperative sector in a country correlates with robust food security. The Mediterranean country has a strong agricultural cooperative sector, being one of the top co-operators in farming in Europe. Spain is consistently ranked as the second country in terms of the number of agricultural cooperatives and the third in terms of members and employees. Data on both the agricultural cooperative sector and on food insecurity levels in Spain are presented and discussed. The findings indicate a tension between cooperative principles and the market pressures these farmers’ organisations face to survive in a globalised food system, in a context of ...