Piriform are global leaders in PC optimization software, with offices in London, New York and Cyprus. We're dedicated to creating the best applications for your PC. For company press announcements, visit our press release section.
Our software is used and trusted by millions, in all 195 countries and in millions of businesses. In fact CCleaner alone has been installed more than 1 Billion times onto nearly 25% of all the PCs in the world.
We've improved and optimized thousands of lines of code. Our developers aim for the fastest, most compact, bug free products you can run on your PC.
Our team is a combination of late-working, highly-skilled staff and a heavy dose of caffeine. Together we design, create and maintain the software.
We also have legions of dedicated volunteers who help test, support and translate our software into over 40 different languages!
All our products are fully tested to the highest standard. Including Microsoft certified compatibility with Windows 8.1 and Code Signing by Verisign.
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All our end-user license agreements are available to read in our legal section.