Quality Management The professional training of our personnel is the basic of our reliable service. Regularly it is necessary to up date our selection of law enforcements in addition, the use of new building materials and techniques and extension on specialized knowledgeÂ’s. Therefore everyone of your partners participates regularly in qualifying measures of his subject. To these ranges e.g. belong: Residential property law, rental law, heating costs regulation, operating cost regulation. We were last therefore not certified as one of the first administrative enterprises in the new Federal states in the year 2000 according to DIN EN ISO.