Size Of Business Dimension This dimension categorises the information in relation to the turnover of the business and the counterparty exposure size. Large A business is classified as large if they have turnover greater than or equal to $75 million. Medium A business is classified as medium if the reporting entity has a total exposure to the business that is greater than or equal to $1.5 million and the business has turnover of less than $75 million. Small A business is classified as small if the reporting entity has an exposure to the business that is less than $1.5 million and the business has turnover of less than $75 million.