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Finnish legal practice management software for law firms, audit practices and professional services teams

Finnish case management and billing systems for the legal sector come from CSI Helsinki Oy. Its products handle everything from opening a file and recording time through to reporting and invoicing, in a single system. The company says its aim is to reduce the administrative work that lawyers carry and to free more time for client work. It describes four decades of experience supplying software to the legal sector.
CSI Lawyer is the main product for large and mid-sized law firms. It handles the management of client matters and their billing. Customers can run it on their own servers or use it as a cloud service. The company says that clean, well-structured time records reduce the need for later corrections, so that invoices can be prepared digitally and quickly.
CSI LakiMies is a lighter cloud package designed for small law offices, with the core functions that such firms need. CSI Professional suits audit practices, tax advisers and other expert teams that charge for their time by the hour.
Lawyers can record their work through the CSI MyDesk desktop application, the CSI MyOutlook add-in for Outlook and the CSI MyMobile app. An integrated time-tracking tool can also be used, and tasks can be created from emails, calendar entries and to-do items in Outlook. The firm says this lets staff capture work where it is done rather than at the end of the day.
The system gives managers an overview of clients and matters, with reports on billing and payments. The company says these reports help firms monitor their key figures, react quickly to variances and manage the business with more reliable information.
The software connects to document management systems that are common in the sector and to accounting packages, so invoice material can move into a client's bookkeeping. Documents saved against a client or matter are visible to the whole matter team. For regulated firms, the system can link to a separate KYC service that supports customer identification checks under anti-money-laundering rules, and an open API allows custom connections.
The company says it supplies customers across the Nordic countries and the Baltics, and that a number of the largest law firms in Finland use its software. It presents itself as a dedicated software house for legal work, one that can act as a long-term partner for an office throughout the life of the client relationship.
CSI Helsinki Oy develops case and billing software for the legal sector. Its products handle the whole life of a legal matter in one system, from opening the file and recording time to reporting and invoicing, with the goal of cutting administrative work for lawyers. The company says it has four decades of experience in the field and serves customer firms in several northern European countries.
Law firms of all sizes, legal departments, auditors, tax advisers and other professional services teams. The company says a number of the country's thirty largest law firms use its software.
Summary written by TrustList from the business's own published information, Nov 2026.
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