Thomson Reuters empowers professionals with technology solutions informed by industry-leading content and expertise.
Features
- AI-Powered Legal Research & Drafting — CoCounsel Legal integrates research, analysis, and drafting with professional-grade AI grounded in trusted Westlaw and Practical Law content. Features agentic AI capabilities that move professionals from research to strategy faster, with 150 years of legal expertise powering precise, verified answers and strategic insights.
- Comprehensive Tax & Compliance Automation — ONESOURCE suite delivers end-to-end tax compliance including income tax filing, indirect tax determination, tax provision calculations, and e-invoicing compliance. CoCounsel Tax centralizes trusted sources and firm data to complete tax research and client deliverables faster with AI-powered automation.
- Global Trade & Supply Chain Management — ONESOURCE Global Trade solutions automate trade compliance with AI-powered Harmonized System (HS) code classification, denied-party screening across 750+ global lists, free trade agreement management, and foreign trade zone optimization for duty savings and improved cash flow.
- Investigation & Risk Intelligence Platform — CLEAR platform advances investigations with trusted public-records technology, AI-driven research workflows, adverse media screening, identity verification with confidence scores, and customizable risk assessment software that surfaces critical connections in one unified platform.
- Enterprise Legal Management & Collaboration — HighQ accelerates legal delivery through secure collaboration, automated workflows, and AI-powered client engagement. Legal Tracker maximizes legal efficiency while reducing annual spend through AI-powered matter management for corporate legal departments.
- Professional Knowledge & Publishing Resources — Extensive library of legal and tax publications including Black's Law Dictionary, Tax Quickfinder handbooks, and ProView e-reader platform built specifically for legal and tax professionals, providing quick-reference resources across multiple practice areas and jurisdictions.
Use Cases
Law Firm Litigation Capacity Scaling
Small and mid-size law firms leverage CoCounsel and Westlaw AI to dramatically increase litigation capacity. As demonstrated by Justly Prudent achieving 5x ROI and 100% increased litigation capacity, firms can automate research, drafting, and analysis tasks that previously consumed billable hours, allowing attorneys to handle more cases simultaneously. Target Audience: Law firms of all sizes, particularly small firms under 10 attorneys seeking to compete with larger practices and scale efficiently
Corporate Tax & Trade Compliance Consolidation
Multi-entity corporations use ONESOURCE solutions to process high-volume transactions accurately, centralize indirect tax compliance across jurisdictions, and streamline e-invoicing globally. Oracle users, for example, consolidate compliance into one platform that reduces complexity while scaling tax and trade operations. Target Audience: Corporate tax professionals, multinational corporations with complex cross-border trade requirements, and C-suite executives managing compliance risk
Audit Workflow Standardization & Acceleration
Tax, audit, and accounting firms implement CoCounsel Audit to standardize workflows with AI-powered automation delivering verifiable, citation-backed insights. As demonstrated by Harris, Hardy & Johnstone reducing hour-long reviews into minutes, firms can complete audit engagements efficiently while ensuring compliance with automated risk identification. Target Audience: Tax, audit & accounting firms seeking to improve efficiency, reduce review times, and maintain compliance standards
Government Legal Matter Management
Government legal entities including courts, prosecutors, public defenders, and tribal governments use HighQ to transform legal matter management. The Pascua Yaqui Tribe case study demonstrates how secure collaboration and automated workflows streamline complex legal operations for public sector organizations. Target Audience: Government legal professionals, law enforcement agencies, city attorneys, courts, prosecutors, and public defenders
Pros
- Industry-leading AI grounded in 150+ years of trusted legal expertise and 650+ attorney-editors, ensuring professional-grade accuracy and reliability that generic AI tools cannot match
- Comprehensive integrated ecosystem spanning legal research, tax compliance, global trade, risk management, and investigations — reducing the need for multiple vendor relationships
- Proven ROI with documented customer success stories showing measurable outcomes like 5x return on investment and 100% increased capacity
- Scalable solutions serving diverse professional segments from solo practitioners to multinational corporations and government agencies with tailored plans for each
- Global coverage with solutions addressing cross-border trade compliance, 750+ denied-party screening lists, and multi-jurisdictional tax requirements
Cons
- Premium pricing structure may be prohibitive for solo practitioners, small firms, or organizations with limited budgets compared to more affordable alternatives
- Steep learning curve due to the breadth and depth of the platform ecosystem, requiring significant training investment to fully leverage all capabilities
- Enterprise-focused solutions may include features and complexity that smaller organizations don't need, potentially leading to underutilization of purchased tools
- Dependency risk from deep integration with Thomson Reuters ecosystem, making it potentially difficult to migrate to alternative providers or integrate with competing platforms

