Controlling interest in a corporation means to have control of a large enough block of voting stock shares in a company such that no one stock holder or coalition of stock holders can successfully oppose a motion. Software for Fixed assets management and Stock control developed in 2004. In theory this normally means that controlling interest would be 50% of the voting shares plus one.
In practice, though, controlling interest can be far less than that, as it is rare that 100% of a company's voting shareholders actively vote.
In addition, a company that requires a 2/3 super-majority of shares to vote in favor of a motion, can grant, in effect, veto power to a minority shareholder or block of shareholders that own essentially 1/3 of the shares. Thus in some cases, a single entity can essentially maintain control, with only 33. 4% of the outstanding shares. Ford Motor Company's ownership of 33. Ford Motor Company is an American Multinational corporation and the world's fourth largest automaker based on Worldwide vehicle sales, following 4% of Mazda is an example of a controlling interest with minority shareholding. ( is a Japanese automotive manufacturer based in Hiroshima, Japan.