Client Ledger System™ Software

Welcome. We are still working to add functionality to the redesigned website. Check out our new FAQ section.


*** If you are looking for the CLS II version upgrade to 2.7, then you must download the installation program from the email you received with your invoice. ***

Currently it is not necessary to login to download the update file. Simply select the Downloads menu to the left, next click View Download for the appropriate product version.

9/18/2024 - CLS 2.71g was released today.

8/29/2024 - FMSI will be closed starting at 1pm EDT on Friday, Aug 30th through Monday, Sept 2nd for the Labor Day holiday weekend. We hope you have a great weekend celebrating!
7/30/2024 - CLS 2.71f was released today.
7/3/2024 - Our office will be closed July 4th and 5th for the Fourth of July holiday. We wish you all a safe and happy Fourth!
6/10/2024 - CLS 2.71e was released today. This update contains Q2 updates for SW & XM.
3/27/2024 - CLS 2.71d was released today.
3/18/2024 - CLS 2.71c was released this afternoon with notifications sent to current CLS customers. 2.71c contains 1st quarter 2024 form updates.
2/5/2024 - CLS 2.71b was released this afternoon. Notification was sent to the main contact email for each CLS user on version 2.7.
1/10/2024 - CLS~CheckWriter version 4.21 with the 2024 payroll tax tables has now been released. You should have received the email with your invoice and download link.