Background: Self-esteem is an important factor in the development and maintenance of good psychological health. Low self-esteem can be a consequence of mental health disorders (such as depression, anxiety and panic) or it can be a vulnerability factor for the development of such problems. Aims and method: The current study reports pilot findings from a Cognitive Behavioural Therapy (CBT) group intervention for 37 adult women with low self-esteem, based on Fennell's Overcoming Low Self-Esteem Self-Help Course. Results: Findings suggest that the group is (statistically and clinically) effective at increasing levels of self-esteem and at reducing levels of depression and anxiety. Conclusions: Together, results suggest that the group provides an efficient and therapeutically beneficial service. However, since these findings are limited by the lack of control or follow-up data, they warrant further investigation.