Is Rentokil the largest pest control company in the world?

As of recent years following its acquisition of Terminix in 2022, Rentokil Initial is generally regarded as the largest pest control company in the world by revenue and geographic coverage, though it competes closely with Rollins Inc which owns Orkin. Before the Terminix acquisition, Rollins and Rentokil were often ranked as the top two largest, with leadership alternating depending on exchange rates and revenue calculations. The Terminix deal significantly increased Rentokil's revenue and its presence in North America, which is the largest pest control market, pushing it to the top of most industry rankings. Other large players include Ecolab's pest elimination division and Anticimex, but their pest control revenues are smaller than Rentokil and Rollins. Rankings can fluctuate year to year based on acquisitions, divestitures, and currency movements because Rentokil reports in British pounds and Rollins in US dollars. For current status, industry publications like PCT Magazine publish annual top 100 lists based on revenue. As of the most recent lists after the acquisition, Rentokil Initial is widely cited as the largest pest control company globally.