1989- (current (2010), manufacturer of biological laboratory equipment, Cambridge, England Cambio Limited 1989
1989-current (2013), haematology research; oncology research, London, England Queen Mary & Westfield College, Department of Haematology, Oncology and Imaging 1989
1988 – current (2022), American jewellery design firm founded by Ann Hand and responsible for designing custom jewellery and gifts for the White House, the State Department, the Smithsonian and many other American institutions. Ann Hand, LLC 1988