Thomson Reuters Legal
Westlaw launched in 1975. Every lawyer in America still uses it. $7.5 billion in annual Legal and Tax revenue at 30 percent margins, with pricing power that compounds because switching means retraining thousands of lawyers.
Every lawyer in America touches a Thomson Reuters product. West Law, launched in 1975, is used by virtually every firm, court, and law school. When a lawyer needs case precedent or a statute, they search West Law. That single product generates billions in recurring revenue with no meaningful competitor, except Lexus Nexus. The legal and tax division generated over 7.5 billion in 2024. Margins exceed 30%. Growth came from price increases that customers accept, because switching research platforms would require retraining thousands of lawyers and rebuilding decades of saved searches. The launch of co-cancel, an AI legal research assistant, signaled Thomson Reuters intent to own the next generation.
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