Thomson Reuters Posts Strong Q1 and Pushes ‘Fiduciary‑Grade’ Legal AI

Overview

• Thomson Reuters reported revenue up 10% to $2.1 billion, organic growth of 8%, and adjusted EBITDA up 9% to $881 million with a 42.3% margin.
• The company reaffirmed full‑year targets for 7.5%–8% organic growth and about 40% margins, while raising its net interest outlook to $180–$190 million after a $1.2 billion buyback.
• Legal professionals drove gains as law‑firm revenue rose at a double‑digit pace and uptake of the Westlaw Advantage research upgrade outpaced prior cycles.
• Management promoted a ‘fiduciary‑grade’ AI strategy built on a proprietary legal model that it says tops leading general models on some tasks, with agents kept model‑agnostic using Anthropic for now.
• Thomson Reuters acquired AI‑native Noetica for integration into its CoCounsel market‑intelligence platform, set a full launch of next‑gen CoCounsel Legal for Q3 2026, and said rising LLM costs should ease in the second half.