Thomson Reuters Ushers in the Next Era of AI with Launch of Agentic Intelligence
- Launch of innovative Agentic Intelligence technology that goes beyond traditional AI capabilities
- Already implemented and being used by major accounting firms through CoCounsel
- Significant time savings demonstrated (tax jurisdiction reviews reduced from half a week to under an hour)
- Backed by extensive resources including 20B+ documents and 4,500 subject matter experts
- Strategic partnerships with major tech companies including OpenAI, Anthropic, AWS, and Google
- Plans for expansion across legal, risk, and compliance domains with new product launches
- None.
Insights
Thomson Reuters' agentic AI launch represents a significant technological advancement with real business applications in professional services.
Thomson Reuters' launch of agentic AI systems marks a significant strategic evolution in professional-grade AI implementation. Unlike conventional AI assistants that simply respond to prompts, these new agentic systems can plan, reason, and execute complex multi-step tasks within established workflows—a crucial distinction for professional environments where precision is paramount.
The initial product, CoCounsel for tax, audit, and accounting professionals, demonstrates practical application of advanced AI technology in high-stakes professional environments. What's particularly notable is that Thomson Reuters isn't merely overlaying AI onto existing products but re-architecting core experiences by integrating their extensive content repositories (Checkpoint, Westlaw, Practical Law) with custom-trained models.
The customer testimony from BLISS 1041 provides concrete evidence of efficiency gains, reducing state residency and filing code reviews from days to under an hour. This quantifiable productivity improvement suggests genuine business value rather than speculative potential.
Thomson Reuters possesses unique competitive advantages in implementing this technology: 20B+ documents, 15+ petabytes of data, 500+ trusted content assets, and 4,500 subject matter experts working alongside 180+ AI engineers. This combination of domain expertise and technical capability creates significant barriers to entry for competitors.
The acquisition of Materia (specialized in agentic systems for tax and accounting) further demonstrates Thomson Reuters' commitment to building competency in this area through both internal development and strategic acquisitions.
The roadmap of additional products across legal, risk, trade, and compliance indicates a comprehensive strategy rather than an isolated initiative, positioning Thomson Reuters to potentially transform professional workflows across multiple verticals.
This evolution is underway at Thomson Reuters, and it's redefining what professional-grade AI can — and should — do for professionals. "Agentic AI isn't a marketing buzzword. It's a new blueprint for how complex work gets done," said David Wong, Chief Product Officer at Thomson Reuters. "We're delivering systems that don't just assist but operate inside the workflows professionals use every day. The AI understands the goal, breaks it into steps, takes action, and knows when to escalate for human input — all with human oversight built in to ensure accountability and trust."
The Thomson Reuters Agentic AI Platform: Built for How Professionals Really Work
The Thomson Reuters agentic platform has been in development for over a year, accelerated by its acquisition of Materia, the AI copilot startup specializing in agentic systems for tax and accounting. Its foundation is already live across products being used by some of the largest accounting firms in
Rather than build standalone agentic tools, Thomson Reuters is re-architecting core product experiences. This approach involves drawing from the most critical features and content across platforms such as Checkpoint, Westlaw, and Practical Law, exposing their market-leading capabilities as tools for our agents to use — enabling them to act and reason within already accepted industry best practices — and supercharging them with generative AI.
"We're not just rebranding AI assistants. We're engineering full agentic systems — backed by trusted content, custom-trained models, and real domain expertise," Wong said. "What others are calling agentic, we've already had in the market. What we're launching now sets a new bar: this is what AI looks like when it's built with real content, trained with real experts, and trusted by the professionals who do real work."
Now Live: CoCounsel for Tax, Audit and Accounting Professionals
The first of these new agentic experiences is now live: CoCounsel for tax, audit and accounting professionals, a vertical-specific AI agent designed for modern tax and accounting professionals. CoCounsel automates real work — from client file review to memo drafting and compliance checks — while providing explainable outputs. It connects firm knowledge, Checkpoint, IRS code, and internal documents into a single AI-guided workspace.
"This isn't GenAI in a prettier wrapper — it's a fully integrated, intelligent system built to do the work," said Kevin Merlini, Vice President of Product at Thomson Reuters and former CEO of Materia. "Now CoCounsel doesn't just assist — it acts with context, navigates complexity, and integrates directly into how professionals already operate. It's purpose-built for high-stakes work — and it's only the beginning."
That perspective is shared by OpenAI, whose models power elements of CoCounsel, which sees this launch as a real-world example of what agentic AI can and should be.
"As more platforms launch agentic capabilities, OpenAI is thrilled to power use cases like the ones Thomson Reuters is bringing to its vast ecosystem of professional users," said Olivier Godement, Head of Product, Platform at OpenAI.
Early customers are already seeing major benefits. "Before CoCounsel, we were manually comparing residency and filing codes across 36 states. Each jurisdiction used to take us half a week to fully review—now it takes under an hour," said Rich Marlatt, Chief Information Officer at BLISS 1041. "We built our own templates in CoCounsel for 1041 returns across 50 states and now due to agentic research and reusable templates, we can feed client-specific factors and instantly understand how each state handles them."
The launch of CoCounsel for tax, audit and accounting professionals marks a major step forward — but it's just the start.
Launching Next: Ready to Review — an agentic tax prep application that's redefining what professional-grade AI can do. Built on the GoSystem Tax Engine, it doesn't just assist with returns — it drafts them, adapts to system feedback, and resolves diagnostics on its own.
Coming Soon: Agentic Workflows for Legal, Risk, and Compliance
The rollout of agentic systems continues this year with expanded capabilities across legal, risk and trade, and compliance domains — including intelligent workflows for intelligent drafting, employment policy generation, deposition analysis, and compliance risk assessments. Many of these experiences already exist within CoCounsel, Westlaw, and Practical Law, but are now being upgraded with full agentic orchestration, where agents not only generate output but plan, execute, and adapt across tools in real time. These systems are:
- Built for goal-based execution across multi-step legal and compliance tasks
- Designed with task-specific tool orchestration to engage both Thomson Reuters and third-party platforms
- Governed by human-in-the-loop oversight for safety, accuracy, and accountability
- Powered by transparent reasoning and traceable sourcing
- Refined with custom LLMs trained by in-house legal, tax, and compliance experts
Thomson Reuters isn't just expanding capabilities — we're redefining what GenAI can do in the hands of professionals.
Why Thomson Reuters Is Leading the Agentic Era
The Thomson Reuters approach is rooted in unmatched assets and infrastructure:
- 20B+ documents, 15+ petabytes of data, and 500+ trusted content assets
- 4,500 subject matter experts and 180+ AI engineers working side-by-side
- Global reach across 500,000+ customers — including
100% of Fortune 100 and the entirety of the US federal court system - Deep integrations including OpenAI, Anthropic, AWS, and Google
- An enterprise-grade platform with ISO 42001 certification and secure, zero-retention architecture
This Launch Marks the Latest Chapter in Thomson Reuters Ongoing Transformation
The debut of its agentic intelligence is the latest milestone in Thomson Reuters ongoing evolution into a global technology powerhouse.
"This is more than a product launch — it's a clear signal of where the industry is heading, and who's leading it," said Wong. "As we continue to re-architect the workflows professionals rely on every day, one thing is clear: the future of work is already here — and it's being built inside Thomson Reuters."
Thomson Reuters
Thomson Reuters (TSX/Nasdaq: TRI) informs the way forward by bringing together the trusted content and technology that people and organizations need to make the right decisions. The company serves professionals across legal, tax, accounting, compliance, government, and media. Its products combine highly specialized software and insights to empower professionals with the data, intelligence, and solutions needed to make informed decisions, and to help institutions in their pursuit of justice, truth, and transparency. Reuters, part of Thomson Reuters, is a world-leading provider of trusted journalism and news. For more information, visit tr.com.
Contact
Ali Hughes
+1.763.326.4421
ali.hughes@thomsonreuters.com
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SOURCE Thomson Reuters
FAQ
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