Counsellors who work with children exhibiting externalised behaviours may struggle to maintain therapeutic presence. Challenging client behaviours may trigger countertransference, thus influencing counsellors' presence in session. In this study, we examined the experiences of beginning counsellors working with children who exhibit externalised behaviours in counselling sessions. We used thematic analysis and identified six emergent themes related to countertransference. K E Y W O R D S countertransference, externalised behaviours, children Carolina. She is a clinically licensed, trauma-focused therapist and supervisor with specializations in child sexual trauma treatment and parenting support interventions. Her research interests include trauma-focused clinical supervision, child trauma treatment, counselor wellness, and child abuse prevention.