According to Houghton Mifflin Harcourt's latest financial reports the company's current revenue is £0.82 Billion. In 2020 the company made a revenue of £0.81 Billion a decrease over the revenue in the year 2019 that were of £1.09 Billion. The revenue is the total amount of income that a company generates by the sale of goods or services. Unlike with the earnings no expenses are subtracted.