"The voluntary nature of this standard and the guarantee that we optimize our sustainability activities by the standard makes the standard to a standard which implementation process was fun for all parties involved."

"Thanks to early detection approach taken in the ZNU Standard we have identified our key hot spots and can upon improve them."

"Sustainability means for us to lead the company in such a manner, that it can be passed on from generation to generation. The basis of our - certified according to ZNU-Standard - sustainability strategy are the three fields “Human, nature and regional roots”."

"The ZNU Standard - driving sustainable change, offers companies the opportunity to express their commitment to sustainability and to receive credit for everything they have already implemented, possibly since many years."

"As a management system, the ZNU Standard – driving sustainable change provides a framework for our sustainability actions. It systematically organizes them into the three dimensions of social, economic and ecological and helps to make them more visible, internally as well as externally."

"As an organic company we have very high expectations on ourselves. The Standard has supported us in the systematization of our numerous sustainability activities and simultaneously shown us areas for improvement."

"Sustainability for us is a holistic and entrepreneurial approach. The ZNU Standard - driving sustainable change helps us to structure our implementation of sustainability efforts in terms of a continuous development."

"Nachhaltigkeit ist elementarer Baustein unserer unternehmerischen DNA. Wir sind der Überzeugung, dass nur diejenigen dauerhaft ökonomisch erfolgreich sein werden, die ökologisch verantwortlich handeln. Der ZNU-Standard Nachhaltiger Wirtschaften begleitet uns auf dem „Weg nach Morgen“!"

"Sustainability communication on a sound basis is made possible through management tools such as the ZNU Standard. This helps to communicate with critical stakeholders from a confident position."

"The Improved Business Sustainability topic is not only relevant to me as a ZNU-auditor, but privately it is also close to my heart. Therefore I am pleased every time with the numerous audits that companies deal with this topic systematically with the goal of continuous improvement in all sustainability-related business processes."

"Improved Business Sustainability always entails "continuous learning". The annual ZNU audits makes this process visible to customers, staff and management."

"The ZNU Standard is like a hall of mirrors. It reflects the variety of sustainability issues within the company - from existing potentials through to the focusing of certain relevant topics amongst many, to the discovery of new areas and opportunities - to a single mirror image of Improved Business Sustainability."