This article reports an evaluation of two cognitive skills programs (Enhanced Thinking Skills and Think First) with 801 women offenders serving community sentences in the English and Welsh Probation Service. A quasi-experimental design was used to compare the reconviction rates at 1-year follow-up of offenders who completed the program, offenders who started but did not complete the program, and a comparison group that were not allocated to the program. Multivariate analysis showed that the completers did not have a significantly lower rate of reconviction than the comparison group. However, the non-completers had a significantly higher rate of reconviction than the comparison group. No differences were found in reconviction between the completers group and non-completers group. The implications of the findings for interventions with women offenders are discussed.