Behavioural Activation is a contemporary contextual psychological treatment for depression. The outcome of a series of five treatment groups involving a total of 42 patients presenting to a psychotherapy department with self-reported depression is reported. Three of the treatment groups were delivered by two cognitive behavioural psychotherapists, two of the groups were delivered by a single cognitive behavioural psychotherapist and a trainee with no previous experience of the approach. The results suggest that group Behavioural Activation is an effective and tolerable treatment as indicated by BDI-II, CORE scores and the low drop-out rate. The methodological limitations of the findings are discussed.