ISO 9001:2015 is an internationally recognized quality standard.
The International Organization for Standardization is based in Switzerland and is a network of national standards institutes. The ISO 9001:2015 quality standard is perhaps the most well known quality standard in the world, and is recognized around the globe.
ISO 14001 was first published in 1996 and specifies the actual requirements for an environmental management system. It applies to those environmental aspects which the organization has control and over which it can be expected to have an influence.