Bloomberg L.P. is an American privately held financial, software, data, and media company headquartered in Midtown Manhattan, New York City. It was co-founded by Michael Bloomberg in 1981, with Thomas Secunda, Duncan MacMillan, Charles Zegar, and a 12% ownership investment by Merrill Lynch.
Bloomberg L.P. provides financial software tools and enterprise applications such as analytics and an equity trading platform, data services, and news to financial companies and organizations through the Bloomberg Terminal (via its Bloomberg Professional Service), its core revenue-generating product. Bloomberg L.P. also includes a news agency (Bloomberg News), a global television network (Bloomberg Television), websites, radio stations (Bloomberg Radio), subscription-only newsletters, and two magazines: Bloomberg Businessweek and Bloomberg Markets.