The core activity of Isabelle Frei GmbH is the provision of services in the field of systemic psychotherapy, coaching, couple therapy, fitness training, and supervision. Specifically, this includes: Systemic psychotherapy and psychological counseling for adults, couple therapy and couple counseling, fitness training and mental training in sports, and supervision for (aspiring) psychotherapists. The company thus offers a combination of therapeutic, advisory, and training services aimed at promoting mental and physical well-being.