Impax Asset Management Group plc is a publicly owned investment manager. Through its subsidiaries, it provides investment services to funds specializing in the environmental markets sector, with a focus on alternative energy, water, and waste sectors, primarily in the United Kingdom. It manages a range of funds and segregated accounts on behalf of institutional and private investors. It employs both fundamental to make its investments. The company was formerly known as Impax Group plc and changed its name to Impax Asset Management Group plc in October 2009. Impax Asset Management Group plc was founded in 1998 and is based in London, the United Kingdom.