Law firms run on time-based billing, work-in-progress, and trust account compliance under Law Society regulation. Revenue recognition depends on matter completion and billing cycles. Trust account reconciliation has zero tolerance for error. Partnership structures affect tax outcomes for the principal and any associates or partners.
Add WIP that needs valuing for management reporting. Add trust accounts under regulator scrutiny. Add staff including solicitors, paralegals, and admin under different award and salary arrangements. The financial complexity behind a law firm is well above generic small business.
A general accountant can mishandle trust account compliance, fail to value WIP correctly, or fail to structure the practice for tax efficiency. Specialist legal practice accounting understands the billing model, the trust requirements, and the structural options of the sector.