The trading house Jebsen & Jessen, founded in 1909, is part of an international, family-owned group with more than 100 compan ... ies. Together with our sister companies Jebsen & Co. in Hong Kong, Jebsen & Jessen Pte.Ltd. with its headquarters in Singapore and the GMA Garnet Group in Perth, Australia, we employ nearly 8,000 employees worldwide. Jebsen & Jessen Hamburg with its three business divisions – Chemicals, Textiles and Garnet Sand – operate in more than 80 countries with its own locations or through exclusive business partnerships. read more