The core activity of Stephan Bischof GmbH consists of two main areas: 1. Coaching for executives in the construction industry: The company offers coaching programs to support executives in the construction industry in developing their leadership skills, communication skills, and handling difficult situations. 2. Consulting on indoor pollutant contamination: The company provides consulting services to support those affected in coping with challenges related to pollutants in indoor spaces, from initial consultation to control and acceptance.