Discounts for lack of marketability are well established when valuing minority interests in closely held businesses. But many valuation experts believe that controlling business interests also warrant a marketability discount to reflect the uncertainty and risk associated with the timing of the sale and the ultimate price. Here’s a closer look at this issue. Minority (non-controlling) interests In a business valuation context, “marketability” refers to the ability to quickly convert property to cash at minimal cost. While publicly traded stocks are readily marketable, interests in private companies typically require substantial time, cost and effort to sell. To the extent that public stock data is used to value private businesses, a discount may be warranted to reflect the lack of marketability. Marketability discounts are well established when valuing minority...