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Start Learning Free📋About Thomson Reuters
Updated August 2, 2026Thomson Reuters is a global information services company providing news, data, and technology to legal, tax, accounting, and compliance professionals worldwide. The company serves as the primary information infrastructure for the legal and financial professions.
Thomson Reuters has invested heavily in AI across its product portfolio. Westlaw AI and CoCounsel provide AI-powered legal research, document analysis, and drafting capabilities for lawyers. The company's tax and accounting products use AI for automated compliance, audit support, and regulatory change analysis. Thomson Reuters has partnered with Microsoft to bring AI capabilities to its professional products and has acquired AI companies to accelerate its AI roadmap.
Thomson Reuters' enormous corpus of legal cases, tax codes, regulatory filings, and news content gives its AI products a unique data advantage — the AI can reference authoritative, curated professional content rather than general web data. This combination of domain expertise, proprietary data, and established distribution in law firms, accounting practices, and corporate legal departments makes Thomson Reuters the leading AI provider for professional knowledge work.
🛠️Products & Tools (2)
The latest AI-powered version of Westlaw featuring Deep Research — agentic AI that creates multi-step research plans, executes iteratively, and produces comprehensive reports with arguments for and against. The definitive legal research platform.
Thomson Reuters' agentic AI legal assistant (now "CoCounsel Legal") that plans, reasons, and executes multi-step legal workflows — document drafting, deposition and document analysis, research, and compliance. A next-generation agentic rebuild on Anthropic's Claude Agent SDK is rolling out in 2026.