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legal.thomsonreuters.com

A leading provider of legal and business information and technology solutions.

Thomson Reuters provides legal, tax, and risk management content and technology solutions to professionals, enabling research, drafting, guidance, due diligence, and collaboration through AI-assisted analysis and integrated workflows.

Mission statement

To empower professionals with trusted content, AI-enabled tools, and integrated workflows that improve decision-making, efficiency, and collaboration.

Products & Services

CoCounsel Legal Product

Simplify legal work with AI that integrates research, analysis, and drafting seamlessly.

www.thomsonreuters.com/en/products/cocounsel-legal
  • AI-assisted Analysis — Enhances Legal Analysis
  • Content-backed AI Knowledge Base — Utilizes Trusted Sources
  • Integrated Research and Drafting — Streamlines Legal Processes
  • Case Studies for Real-World Impact — Showcases Proven Results

CoCounsel Audit Product

Standardizes audit workflows with AI for improved accuracy and efficiency.

www.thomsonreuters.com/en/products/cocounsel-audit
  • Audit Workflow Automation — Streamlines Audit Processes
  • Citation-Backed Insights — Provides Verifiable Insights
  • Guided Assurance — Ensures Compliance

CoCounsel Tax Product

Enhance efficiency and accuracy in tax processes with AI-driven research and deliverable management.

www.thomsonreuters.com/en/products/cocounsel-tax
  • Client Deliverables Acceleration — Accelerate Client Deliverables
  • Tax Research Acceleration — Speed Up Tax Research
  • Actionable Tax Strategies — Craft Actionable Strategies
  • 1040 Return Preparation Automation — Automate 1040 Preparations

Practical Law Product

Deliver confident legal work with AI powered by expert knowledge.

www.thomsonreuters.com/en/products/practical-law
  • Guides Library — Provides Comprehensive Legal Guidance
  • Templates and Checklists — Streamlines Legal Drafting Processes
  • Real-Time Updates — Stay Informed On Legal Changes
  • Integrated AI Assistance — Enhances Research and Analysis

HighQ Platform

Accelerate legal delivery through secure collaboration and AI-powered client engagement.

www.thomsonreuters.com/en/products/highq
  • Automated Workflows — Streamlines Matter Delivery
  • AI-Powered Client Engagement — Enhances Client Communication
  • Secure Collaboration — Facilitates Secure Teamwork
  • Client Engagement Analytics — Measures Engagement Effectiveness

Legal Tracker Product

Enhance legal efficiency and minimize costs through AI-driven matter management.

www.thomsonreuters.com/en/products/legal-tracker
  • AI-powered Matter Management — Maximize Legal Efficiency
  • Spend Optimization — Reduce Legal Costs
  • Integration with Existing Workflows — Enhance Workflow
  • Reporting and Analytics — Enable Data-Driven Decisions

Westlaw Edge Product

Enhance legal research efficiency with AI-powered insights.

www.thomsonreuters.com/en/products/westlaw-edge
  • Precise, Verified Answers — Get Verified Answers Quickly
  • Strategic Insights — Gain Strategic Insights
  • Time-Saving Technology — Save Time on Research
  • User-Friendly Interface — Navigate Easily
  • Integrated Workflow — Experience Seamless Integration

Westlaw Advantage Product

Accelerate legal research and strategic decision-making with integrated AI and trusted content.

www.thomsonreuters.com/en/products/westlaw-advantage
  • Agentic AI — Enhances Workflow Efficiency
  • Verified Westlaw Content — Provides Trusted Resources
  • Real-Time Research Outputs — Optimizes Legal Research Timing
  • Integration with Supio — Connect Case Insights with Legal Research

Ready to Advise Product

Transform client data into tax strategies for optimal outcomes.

www.thomsonreuters.com/en/products/ready-to-advise
  • AI-guided Tax Strategy — Identify Opportunities
  • Actionable Insights — Transform Data into Actions
  • Implementation Guidance — Guide Implementation

Ready to Review Product

Automate 1040 preparation and scale tax capacity efficiently.

www.thomsonreuters.com/en/products/ready-to-review
  • 1040 Return Automation — Automates 1040 Preparation
  • Scalable Tax Capacity — Scales Tax Capacity

SafeSend Product

Automates 1040 return preparation, enhancing efficiency and reducing manual input.

www.thomsonreuters.com/en/accounting-solutions/safesend-one
  • 1040 Return Automation — Automates Tax Preparation

Market Segments

Billion USD 0 5 10 15 20 25 Audit and assur… Legal research … Tax workflow au… Matter manageme… Market Size (Billion USD)
0% 2% 4% 6% 8% 10% 12% 14% 16% 18% 20% 22% 24% CAGR Growth Potential

Audit and assurance automation

Tools and workflows that create audit-ready evidence, automate evidence analysis, maintain granular audit trails, and speed assurance across financial and non-financial reporting.

Market size: $8.0B CAGR: 20%
Search results show the broader audit & assurance services market ranges widely (USD ~70B–234B). Audit automation (software/tools) is a subset of that services spend — typical software penetration of professional services suggests a single-digit percent share. Using the cited service market sizes as the TAM and factoring rapid AI-driven demand for audit automation (Fact.MR shows a nascent AI-agent audit market at USD 0.4B in 2025 with very high CAGR), I estimate the audit and assurance automation tools market at roughly USD 5–10B (midpoint USD 8B). Growth potential is materially higher than legacy audit services (3–6% reported), reflecting accelerating AI/automation adoption; I conservatively estimate ~20% CAGR.

Legal research and drafting

Integrated research, analysis, and drafting capabilities that deliver precise, citation‑backed answers and templates grounded in verified legal content to speed legal strategy and document production.

Market size: $3.5B CAGR: 7.4%
Estimate derived by combining documented market figures for adjacent subsegments: legal document drafting services (~$2.5–2.61B in 2024–2025; low-single-digit CAGR) and legal research platforms (smaller current base with high growth, projected $2.0B by 2031 at ~17.2% CAGR). These two subsegments form the core of “legal research and drafting”; their weighted average growth (by estimated 2025 shares) yields a mid-single-digit to low‑teens blended CAGR (~7.4%). Broader legal technology market reports (2025 market ~ $33B) were used to confirm this segment is a small but growing subset of overall legal tech.
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Tax workflow automation and compliance

Automation of tax preparation, filing, and advisory workflows with agents that scale capacity for complex engagements while maintaining compliance with firm and regulatory standards.

Market size: $22.5B CAGR: 12.3%
Estimate derived from recent market reports for overlapping categories (tax management, tax technology, tax compliance). Market reports cluster around USD 19–25 billion (2025) for tax management/tech; tax-automation/compliance subsegment aligns more closely with tax-technology figures, which project double-digit growth. I used a midpoint (~USD 22.5B) of the 2025 estimates and adopted a growth potential (CAGR ~12.3%) consistent with leading tax-technology forecasts.

Matter management and legal operations

Matter and operations capabilities for managing legal workstreams, optimizing spend, integrating with existing workflows, and enabling secure client collaboration and engagement analytics.

Market size: $4.0B CAGR: 12%
Search results show the overall legal services market is very large (US ~$305B; global ~$1,076B in 2025). Matter management and legal operations are a small software/technology subset of that market. Gartner guidance cited in vendor materials predicts legal departments will materially increase technology spend (threefold by 2025), supporting a higher-growth profile for legal operations software versus the wider legal services market. Combining the large addressable base, current modest penetration of dedicated matter-management/legal-ops software, and accelerated tech adoption, I estimate a global matter-management/legal-operations market of roughly $4B today with ~12% CAGR.
TH TH GA 3 references

Related Organizations

Common Questions

What does Thomson Reuters do?
Thomson Reuters provides legal, tax, and risk management content and technology solutions to professionals, enabling research, drafting, guidance, due diligence, and collaboration through AI-assisted analysis and integrated workflows.
What is Thomson Reuters's role in the Audit and assurance automation market?
Tools and workflows that create audit-ready evidence, automate evidence analysis, maintain granular audit trails, and speed assurance across financial and non-financial reporting.
What is Thomson Reuters's role in the Legal research and drafting market?
Integrated research, analysis, and drafting capabilities that deliver precise, citation‑backed answers and templates grounded in verified legal content to speed legal strategy and document production.
How was the Audit and assurance automation market size estimate for Thomson Reuters calculated?
Search results show the broader audit & assurance services market ranges widely (USD ~70B–234B). Audit automation (software/tools) is a subset of that services spend — typical software penetration of professional services suggests a single-digit percent share. Using the cited service market sizes as the TAM and factoring rapid AI-driven demand for audit automation (Fact.MR shows a nascent AI-agent audit market at USD 0.4B in 2025 with very high CAGR), I estimate the audit and assurance automation tools market at roughly USD 5–10B (midpoint USD 8B). Growth potential is materially higher than legacy audit services (3–6% reported), reflecting accelerating AI/automation adoption; I conservatively estimate ~20% CAGR.
How was the Legal research and drafting market size estimate for Thomson Reuters calculated?
Estimate derived by combining documented market figures for adjacent subsegments: legal document drafting services (~$2.5–2.61B in 2024–2025; low-single-digit CAGR) and legal research platforms (smaller current base with high growth, projected $2.0B by 2031 at ~17.2% CAGR). These two subsegments form the core of “legal research and drafting”; their weighted average growth (by estimated 2025 shares) yields a mid-single-digit to low‑teens blended CAGR (~7.4%). Broader legal technology market reports (2025 market ~ $33B) were used to confirm this segment is a small but growing subset of overall legal tech.
Thomson Reuters — company overview