ADHD symptoms significantly decreased ( d = 1.29) and remained stable for 6 months. Measures of depression, perceived stress, and anxiety were also significantly reduced. Attendance and patient satisfaction was high. Use, comprehension, and perceived benefit of treatment components varied from medium to high. Total use of treatment components was, in general, positively correlated with favorable outcome. The current combination of treatment components may be a valuable addition to available treatments in psychiatric care.