Career
In 1920, his diamond company employed about 600 workers. After World War I, in 1918 he persuaded the people who had lived in exile in the Netherlands during the war, to return to Antwerp. He succeeded again after World World War II in 1945, to convince those living in New York to return to Belgium.
Romi Goldmuntz also founded the Diamond Office in Antwerp.
The cultural center Romi Goldmuntz Center and the Great Synagogue Romi Goldmuntz in Antwerp are named after him.