According to Telefónica Deutschland (O2)'s latest financial reports the company's current revenue (TTM ) is A$13.83 Billion. In 2019 the company made a revenue of A$11.75 Billion a decrease over the revenue in the year 2018 that were of A$12.20 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.