Aderant Expert Sierra vs Tussman Program

Aderant Expert Sierra is a practice and financial management system for law firms, covering matter work, billing, trust management, and time and expense capture. Practice tools include conflict checks, file opening, client and matter management, work in progress, collections, reporting, and analytics. Billing features include paperless pre-billing, Alternative Fee Arrangement management, invoice flexibility, and billing compliance management. Lawyers can enter and track time on any device; expense claims can use configurable routing and approval workflows. Sierra can integrate with CRM, document management, and HR systems, and Aderant says existing customizations and integrations can be retained during migration. A First AML connection supports checks within the practice workflow and records verification outcomes for reporting and audit. Built on the Stridyn cloud platform, the product offers MADDI AI capabilities, including natural-language queries and AI-powered automation. Aderant describes proactive monitoring, extensive auditing, SOC 2 Type 2 compliance, and AWS hosting. The service is presented as remote and mobile-friendly, with global support coverage and optional elevated technical support. It runs on Android, iOS, and web. Pricing is not published; firms are asked to request a demo.

The Tussman Program is desktop legal billing software for managing clients, matters, time, disbursements, bills, and account records. Billing features include timed time entry, retainer and trust accounts, customizable bill formats, payment plans, and billing reports. Its General Ledger module supports checkwriting, client cost and receipt posting, check registers, financial statements, vendor lists, and office payables. The Docket/Calendar module tracks appointments, tasks, and reminders, and can create event series triggered by a master event. Additional-cost modules support electronic billing formats such as LEDES, Litigation Advisor, and Tymetrix, plus imports from Amicus, TimeMatters, Equitrak, and Copitrak. A separate Local Area Network module enables simultaneous access for multiple users with configurable access rights. The software runs on macOS and Windows. The free version has no time limit and supports up to 5 clients and 10 matters; entered data can be retained when upgrading. Full-program pricing is available by contacting Tussman. Purchase includes six months of unlimited phone support; cloud hosting is available for a monthly fee that includes support and updates.