The company's core activity encompasses three main areas: 1. **Coating**: Buser Oberflächentechnik AG is a specialist in customized, functional coatings for various industries such as mechanics, transportation, medicine, chemistry, food, and packaging. 2. **Textile Printing**: Buser Textile Printing AG develops and manufactures textile printing machines for flatbed and rotary printing, known for their high quality, durability, ease of use, and cost-effectiveness. 3. **Real Estate**: The Buser Group manages and develops an extensive real estate portfolio, including commercial spaces and apartments, particularly on the site of the former industrial area in Wiler near Utzenstorf.