Quality & Standards

We are certified according to the internationally recognized quality and environmental standards

We are certified according to the internationally recognized quality and environmental standards ISO 9001:2015, ISO 14001:2015 and SQAS

We have been GDP certified since 2020

The quality management system according to DIN ISO 9002 was introduced in our company back in 1998. In 2002 we passed the "Old" ISO norm and integrated our environmental management system ISO 14001 in addition to ISO 9001: 2000. From the beginning we face the Challenge of the market to reach the highest quality standards for the range of services of Thomas Sluis Int. Speditions GmbH . In order to meet these demands of the market, the quality policy has been our "community matter" from the start. 100% customer satisfaction through “zero-defect quality” as well as compliance with development of environmental standards built the center of our corporate philosophy.