Milestone alerts shift from AI pilots to manufacturing programs and previews the following technology of CoCounsel Authorized.
TORONTO — Thomson Reuters (TSX/Nasdaq: TRI), a world content material and expertise firm, introduced a million professionals have chosen CoCounsel, the corporate’s professional-grade AI expertise, throughout 107 nations. The milestone displays a broader transition underway throughout high-stakes industries together with authorized, danger, compliance, tax, accounting, audit and international commerce professionals. AI is shifting from experimentation to manufacturing. Quite than standalone instruments, corporations are embedding AI immediately into each day workflows the place accuracy, sourcing, and knowledge safety are important.
Normal-purpose AI can generate believable solutions. Regulated professionals, nonetheless, want AI that withstands overview in courtrooms, audits, and regulatory proceedings. These programs must retrieve authoritative sources, confirm citations, and apply jurisdiction-specific guidelines.
CoCounsel fulfills these necessities, powering clever capabilities throughout the corporate’s portfolio—together with CoCounsel Authorized, CoCounsel Tax and Audit, and ONESOURCE+. It integrates into the instruments professionals already use, analyzes licensed content material refined over 175 years, incorporates expert-developed validation logic, and delivers structured, citation-backed outputs. Buyer knowledge stays protected and isn’t repurposed to coach third-party fashions. Greater than 4,500 Thomson Reuters subject material consultants contribute to the validation and steady refinement of CoCounsel’s outputs throughout authorized, tax, and compliance domains.
“Professionals are usually not deciding whether or not to make use of AI anymore. They’re deciding which AI they belief when their fame and their shoppers’ knowledge are on the road,” mentioned Steve Hasker, President and Chief Govt Officer, Thomson Reuters. “CoCounsel is constructed for moments when being virtually proper shouldn’t be ok. It’s grounded in many years of authoritative content material, validated by area consultants, and backed by a transparent dedication that buyer knowledge stays theirs. That’s the reason a million professionals depend on CoCounsel.”
“When the work issues, the AI should be skilled grade. Professionals want programs that may full refined work throughout the requirements they’re accountable to on daily basis. That’s the hole between CoCounsel and every little thing else,” added David Wong, Chief Product Officer, Thomson Reuters. “A million CoCounsel customers throughout 100+ nations displays a shared international consensus.”
Constructed for Regulated Work
CoCounsel’s adoption displays design choices tailor-made to skilled environments:
Licensed, authoritative content material. Outputs are grounded in editorially enhanced authorized and tax sources, not scraped public knowledge.
Professional validation. Area specialists form workflow logic and high quality requirements in areas the place errors carry penalties.
Workflow integration. CoCounsel operates inside analysis, drafting, and compliance platforms somewhat than as a standalone interface, enabling activity execution inside established skilled programs.
Information boundaries by design. Thomson Reuters doesn’t repurpose buyer inputs to coach third-party fashions or generate outputs for different customers.
Multi-model structure with governance. Thomson Reuters works with main frontier fashions, together with Anthropic’s Claude, OpenAI’s GPT and Google’s Gemini, alongside proprietary AI expertise and structured datasets to take care of efficiency management and system-level oversight.
From Instrument to Execution LayerIn authorized, tax, audit, and compliance workflows, AI should retrieve related authority, analyze structured and unstructured data, apply jurisdictional guidelines, and generate outputs that stand below overview. That requires vertically built-in programs.
CoCounsel capabilities as an execution layer embedded inside skilled platforms, combining basis fashions, proprietary AI engineering, licensed content material, and area experience to finish multi-step workflows finish to finish.
The subsequent technology of CoCounsel Authorized, coming into beta quickly, is designed round conversational activity execution. Quickly, authorized professionals inside legislation corporations and companies, will be capable of describe an goal as they’d temporary a colleague. CoCounsel will construct a plan, retrieve authority from Westlaw and Sensible Regulation, search related person paperwork and precedent, analyze the fabric, confirm that citations stay in good legislation, and ship structured work product inside a single system. Extra next- technology capabilities inside CoCounsel Tax and ONESOURCE+ are deliberate for later in 2026.
As AI turns into embedded in skilled programs, the defining query shouldn’t be how rapidly it may well produce textual content, however whether or not it may well help work that carries authorized or monetary penalties.
With a million professionals counting on CoCounsel, Thomson Reuters shouldn’t be collaborating within the AI race. It’s defining how AI operates on the planet’s highest-stakes work.
About Thomson ReutersThomson Reuters (TSX/Nasdaq: TRI) informs the best way ahead by bringing collectively the trusted content material and expertise that individuals and organizations must make the suitable choices. The corporate serves professionals throughout authorized, tax, audit, accounting, compliance, authorities, and media. Its merchandise mix extremely specialised software program and insights to empower professionals with the info, intelligence, and options wanted to make knowledgeable choices, and to assist establishments of their pursuit of justice, reality, and transparency. Reuters, a part of Thomson Reuters, is a world-leading supplier of trusted journalism and information.
For extra data, go to thomsonreuters.com/cocounsel.



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