5 Reasons Law Firms Should Separate Operating and Trust Bookkeeping
Sam's List Editorial | 2026-06-23
5 Reasons Law Firms Should Separate Operating and Trust Bookkeeping A lawyer can lose their license for a math error. Featured firm Legal Ease Bookkeeping Brandy Derrick runs Legal Ease Bookkeeping — a Sam's List bookkeeper focused on law firms and property managers. Trust accounting, IOLTA compliance, three-way reconciliations, and owner statements that hold up under a bar or state audit. View profile on Sam's List → “They have made my life a lot easier. For attorneys, managing multiple accounts and especially an IOLTA trust account can be a lot of work. Working with Brandy and her team, it is easy to keep everything straight — every dollar that comes through my accounts is organized and accounted for every week.” — Andrew Deegan · ★★★★★ · Read on Sam's List Not for malpractice. Not for losing a case. For sloppy trust accounting — money that sat in the wrong account, a ledger that didn't tie out, a reconciliation that never happened. Trust-account problems are one of the most common reasons attorneys face bar discipline, and most of them start with the same root cause: the firm ran client money and firm money through one set of books. That is the entire game when it comes to law firm operating vs trust accounting. The two are governed by different rules, audited differently, and serve different purposes. Mixing the bookkeeping is the first step toward mixing the money. Here are five reasons to keep them apart from day one. 1. The two accounts live under completely different rules Your operating account is your money. You can spend it, draw from it, make a transfer at 11 p.m. on a Friday — nobody cares. Your trust account is not your money. It belongs to clients, holding retainers and settlement funds until they're earned or disbursed. Under ABA Model Rule 1.15 , adopted in some form by every state, lawyers must keep client funds separate from their own and maintain complete records of every dollar. The only firm money allowed to touch a trust account is the small amount needed to cover bank service charges. So when your bookkeeping treats both accounts as one ledger, you've built a system that quietly contradicts the rule you're supposed to follow. Separate books aren't a preference here. They're how you stay inside Rule 1.15 without thinking about it. 2. Your operating numbers are useless when trust money pollutes the ledger Here's the practical problem with one combined ledger: you can't actually tell how your firm is doing. A $50,000 settlement lands in your account. On a blended ledger,...
