|Private limited company|
|Founded||London, UK (2004)|
|Headquarters||78 York Street, London, United Kingdom, W1H 1DP|
|Guy Saner (CEO)|
It develops cleaning and optimisation software for Microsoft Windows and Mac OS X operating systems, plus Android mobiles. Piriform's projects include CCleaner, Recuva, Speccy, CCleaner Cloud and Defraggler, a disk defragmentation tool. On 22 September 2015, Piriform launched CCleaner Cloud, which uses the CCleaner technology to maintain PCs remotely.