
Welcome to QRSciences, a leading developer of proprietary security technology products and value added reseller.
The Company has two primary focuses; the commercial design, development and sale of proprietary advanced technology systems, sub-systems, components and software for security related applications worldwide, conducted by QRSciences Pty Ltd and associate company Spectrum SDI; and as a value added reseller of high-end security products including detection, alarm and surveillance systems.
The business is headquartered in Port Melbourne, Victoria with offices in San Diego, California; Sydney, New South Wales; Brisbane, Queensland and Perth, Western Australia.
The Company's shares trade on the Australian Stock Exchange under the trading symbol QRS and in the U.S. over-the-counter (OTC) market via American Depository Receipts (ADR's) under the code of QRSNY .
The company recently acquired a 97.83% interest in Diversified Opportunities (DVOP.OB) which trades on the over-the-counter bulletin board in the United States.











