William O'Neil + Co., Inc. | 5,170 followers on LinkedIn. William O'Neil + Company, Incorporated is an independent advisory firm that helps the world's leading institutional investment managers increase portfolio performance by providing timely—and time-saving—global buy and sell recommendations, customized independent research, and market advice. We also produce thoughtful research covering global investing themes as well as the most compelling equities of the moment, analyzed using our O’Neil Methodology, a blended method of stock analysis that we have perfected over more than 50 years. Our premier equity research platform PANARAY® provides access to our research and uses innovative visual displays of complex market information, placing us at the forefront of using technology to deliver our high-touch services.