William O'Neil India is part of an international team of IT innovators and market data researchers, who power an exclusive set of global equity research products. Our research team tracks all the major international stock exchanges and equities, and our IT developers advance the utility of investing applications used worldwide. William O'Neil India is a subsidiary of William O'Neil + Co. in the U.S. The O'Neil Companies For the past half-century, the O'Neil companies have created innovative services to support the equity investing community. All these services are guided by a method of investing created by William J. O'Neil that has helped thousands of institutional and retail investors succeed in the market.