An important advantage of the cleaning company «DEN» is its willingness to guarantee the quality of their work. Major landmarks in providing services are the best European practices. That’s why namely «DEN» is one of the first companies certified to the international standard ISO 9001:2000 “Quality Management System”.

With the time, years of experience and a large number of clients from various business sectors contributed to the development of our own system of service quality assessment.

The company has its own quality control department which provides audit and assessment of major technical and organizational processes:

  • the quality of operating result;
  • the quality of equipment, inventory, and cleaning chemicals;
  • technical safety labour protection;
  • completeness, accuracy of cleaning managers;
  • culture of the employees of the cleaning service.

The quality of cleaning services is largely dependent on the extent of training and skills of service personnel. In order to provide highly technological cleaning process, the company has its own DEN system of appropriate training and instructing.

The achieved level of responsibility to our customers allows us to occupy top positions in the ranking of cleaning companies. Cleaning company DEN highly appreciates the respect and recognition of its customers, and high service quality is a strong basis for long-term partnership. (hyperlink to «Recommendation letters»)