Mecheels had taught students in Mönchengladbach at the time and had returned to his home Hohenstein[2] with his staff after World War II.

From the 1960s onwards, Jürgen Mecheels, son of Otto, took over the institution and expanded it internationally, adding new services and areas of research.

Laboratory locations were established in India, Bangladesh, Hong Kong, Shanghai and Hungary between 1995 and 2015, as well as a total of 46 foreign offices in 42 countries.

The acquisition expanded the testing spectrum to include food contact materials, furniture, toys, hardlines and other goods.

[16][17] The Hohenstein Group specialises in testing, certifying and researching textile products of all kinds, and employs around 1,000 people with 5,000 customers from industry, trade, and commerce.

[22] Under the umbrella of the Forschungsinstitut Hohenstein Prof. Dr. Jürgen Mecheels GmbH & Co. KG are gathered all affiliated foreign branches.