According to Slack's latest financial reports the company's current revenue is NZ$1.66 Billion. In 2020 the company made a revenue of NZ$1.42 Billion an increase over the revenue in the year 2019 that were of NZ$0.97 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.