How to Close a Matter Properly in 2026: The 11-Step Matter Closeout Workflow That Zeroes Trust, Finalizes the Bill, and Starts the Retention Clock

Most law firms have a documented intake process and no documented closeout process at all. That asymmetry is expensive: it is where residual trust balances accumulate, where unbilled work becomes unbillable, where the retention clock never starts, and where a former client stays a current client in the eyes of a conflicts check. Here is the 11-step matter closeout workflow, in order, with the accounting entries and the documents each step produces.