Building interior cleaning for 26 schools in the city of Wiesbaden, divided into 3 lots.

Lot 1, 9 schools, maintenance and basic cleaning, about 5.4 million square meters of maintenance cleaning per year, about 42 000 square meters of basic cleaning per year.

Lot 2, 9 schools, maintenance and basic cleaning, approx. 6 million square meters of maintenance cleaning per year, approx. 43,000 square meters of basic cleaning per year.

Lot 3, 8 schools, maintenance and basic cleaning, about 5.2 million square meters of maintenance cleaning per year, about 44 000 square meters of basic cleaning per year.