The world needs more ethical and professional accountants to fix the problems of the past. Together we need to restore the reputation of this great profession where every member CAN make a difference.

From a small village in Guyana to a large city in Canada we have students using our Revision Software in over 133 countries.

Our aim is to provide you with the toolkit to collapse the time frame from student to qualified accountant.

Our PC software is FREE to use and always will be.
We developed the software in a small Yorkshire town called Wakefield, England where the folk are straight talking, no nonsense, honest and very cautious with their money. The same qualities that all future accountants aspire to; transparent, fair, honest and prudent.

Know Your Subject Limited (KYS) was founded in April 2007 by Martin & Marcus Tudge. The brothers are based in West Yorkshire, United Kingdom.

This two person team created their first ACCA study software application for windows based PCs during 2007. In 2010 saw the launch of the mobile study apps across all the major mobile platforms (iTunes, Google Play, Windows, BlackBerry, Amazon and Samsung).

KYS have now proudly developed and own a product portfolio of 250 digital learning products which include well over 200 educational mobile applications. Over 22,000 students have downloaded various study software products in over 133 countries, worldwide.

KYS focus on the current ACCA & CIMA accountancy syllabus alongside products for the Chartered Insurance Institute. The PC study software is FREE to all students. To start using these great products please click on the Study Interface button above to download and install this unique study software.