Hatch is a global multidisciplinary management, engineering and development consultancy. Its group companies have more than 11,000 staff in 65 offices on six continents. In 2009 it was one of the 100 largest companies in Canada, with sales over CDN $1 billion.The company was founded in Toronto, Canada, by W.S. Atkins as W.S. Atkins & Associates in 1955.