HS Optimus Holdings Limited, an investment holding company, engages in the manufacture and distribution of doors in Singapore, the United Kingdom, Australia, and Ireland. It operates through four segments: Door Business, Property Business, Investment, and Secured Property Financing. The company manufactures and distributes doors, furniture and fittings, and wood related products; supplies and installs doors, mouldings, and wood-based floorings; and trades in doors, mouldings, floorings, and related products. It also imports and distributes doors, locksets ironmongeries, furniture, fittings, and wood related products.