iRobot was founded in 1990 by Rodney Brooks, Colin Angle and Helen Greiner after working in MIT's Artificial Intelligence Lab.
In 1998 the company received a DARPA research contract which led to the development of the PackBot.
In September 2002, iRobot unveiled its home robots flagship, the Roomba, which sold a million units by 2004.
iRobot began being traded on the NASDAQ in November 2005, under ticker symbol IRBT.
On September 17, 2012, iRobot announced that it had acquired Evolution Robotics, manufacturer of automated floor mopper Mint.
iRobot has sold more than 8 million home robots, and has deployed more than 5,000 defense & security robots, as of 2012.