The CSI software products are designed to facilitate the management and invoicing of legal matters, especially in law firms that offer hourly billed services to their clients. The functionality of the software supports the entire process from the matter intake to its completion.

The main product, CSI Lawyer, meets the needs of medium and large law firms. The software enables the handling of matters by a larger team and possibly even by multiple offices. It also provides tools for flexible pricing of matters and for defining user rights and processes.

In Finland, CSI's offerings also include CSI LakiMies, designed for small law firms, and CSI Professional, tailored to the needs of expert organizations that are not law firms.

The key functions of the CSI Lawyer software are listed in the table below.