Expert Sierra is a cloud-based practice and financial management solution designed to address the complex billing and client compliance requirements of law firms. Its suite of applications includes financial, case, and matter management, billing, rate management, time and expense capture, and advanced reporting and analytics. Expert Sierra incorporates AI-powered tools, including MADDI, a virtual assistant that supports automation, compliance monitoring, and real-time data visualization through dashboards. These features help firms streamline workflows, gain insights, and maintain adherence to Outside Counsel Guidelines (OCGs) and billing requirements.

Expert Sierra is hosted on Amazon Web Services (AWS) and offers a managed infrastructure with 99.997% uptime, SOC 2 Type 2 compliance, and a security framework that includes vulnerability management, auditing, disaster recovery, and continuous monitoring via AWS, CrowdStrike, and Rapid7. It supports over 80 integrations and is designed to scale with firm needs while reducing the operational burden of hardware maintenance and manual updates. Expert Sierra is currently used by over 220 law firms globally, including a significant number of Am Law 200 firms.