According to SIA Engineering Company's latest financial reports the company's current revenue (TTM) is NZ$1.16 B. In 2019 the company made a revenue of NZ$1.11 B a decrease over the revenue in the year 2018 that were of NZ$1.15 B.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.