Thomson Reuters CoCounsel is an AI-powered professional assistant designed for legal, tax, audit, accounting, and compliance workflows. The platform combines artificial intelligence with authoritative professional content to support research, document analysis, drafting, and complex problem-solving. Legal professionals can use CoCounsel to research legal questions, review contracts, analyze case materials, and generate documents using information from Westlaw and Practical Law. Tax and accounting professionals can access trusted research sources, examine financial documents, and automate recurring analysis and reporting tasks. Its agentic AI capabilities support multistep workflows, document processing, information retrieval, and the creation of structured professional deliverables. CoCounsel provides source citations, enterprise security controls, and integrations with professional tools to help organizations improve productivity while maintaining oversight of AI-generated work.