Delta Cafés was founded by Rui Nabeiro in 1961 in the town of Campo Maior, Alentejo, in a small 50-m² warehouse, which could only handle two 30 kg roasters and with the participation of onlt three workers. In 1994, the company became Portugal's market leader with a share of 42%. In 1998, the Nabeiro/Delta Cafés Group was restructured and gave rise to 22 companies organized into strategic areas, with turnover of approximately €160 million. In the 2000s, it become the market leader for coffee in Portugal, with a market share of 38%. It has 47,000 direct retail clients (among the largest of which is Sonae, a leading Portuguese retailer) and 3,000 employees. Also in the 2007, Delta Cafés launched its own espresso products, Delta Q, based on a proprietary system of single-serving "capsules" containing ground coffee and rooibos, and specialized machines to brew espresso from the contents of the capsules in a similar way to that of Nestlé's Nespresso brand portfolio.In October 2017, Delta Cafes partnered with the 'e-commerce' platform Alibaba.