Expert Sierra is the most comprehensive end-to-end legal cloud solution for the mid-size firm (15-150 users) helping you manage your practice and firm. Cut the cord on multiple systems. Work cases, review and edit documents, track and bill time, shorten the WIP to cash cycle with a complete financial solution and so much more. All from one robust solution anytime, anywhere from any device. Meet Expert Sierra- Aderant's legal management cloud solution.