Get to Know Us

Our People News Locations & Contacts Careers Affiliates Legal

For more information, email or
call us at (800) 545-8940.

William O'Neil + Company is a Registered Investment Advisor that helps more than 350 of 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. Our blended method of stock analysis reveals distinctive market insights that deliver actionable ideas across investing disciplines. Founded in 1963, William O'Neil + Company is headquartered in Los Angeles, with offices in New York, Boston, Chicago, and London.

year William J. O'Neil founded the company global equities covered in proprietary database data items in database major institutional clients in the US and abroad. employees in Los Angeles, New York, Boston, Chicago, and London countries covered by our international database research analysts covering international markets