The Department of Statistics and Operations Research is engaged in a great deal of research and works in close collaboration with other prestigious universities throughout the world. Its research projects mainly focus on integer programming and combinatorial optimisation; the optimisation and simulation of network flows; computational statistics; multivariate data analysis; automatic identification of time series; statistical methods for control and quality improvement; intelligent interfaces; and statistical methods for industrial process management.

It also collaborates with many public and private companies, including La Caixa savings bank, Hewlett Packard, the Barcelona Transport Authority (TMB), the Catalan Institute of Statistics, Nissan, the Barcelona Provincial Council, Zanini and Samsung.