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Thomson Reuters is a global provider of information, software and services for legal, tax, and corporate professionals.
Thomson Reuters is a global information and technology company serving professionals in the legal, tax, corporate, and government sectors. It provides trusted data, analytics, and software tools that help organizations research, manage risk and compliance, and improve decision making. The company focuses on enabling efficiency and accuracy for lawyers, tax professionals, corporate teams, and public institutions through industry-focused content, workflows, and solutions that support client service and governance.
To deliver trusted information and innovative technology that empower professionals to work more efficiently, stay compliant, and deliver high-quality outcomes for clients and organizations.
What we offer
CoCounsel Legal
Enhances legal workflows with unified AI for research, analysis, and drafting.
tax.thomsonreuters.com/en/products/cocounsel-legalWestlaw
Find legal answers faster with trusted research software powered by 150 years of expertise.
legal.thomsonreuters.com/en/products/westlawPractical Law
Enhances legal practice with expert guidance and customizable resources.
legal.thomsonreuters.com/en/products/practical-lawHighQ
Enhances legal service delivery through secure collaboration and automated processes.
legal.thomsonreuters.com/en/products/highqONESOURCE
Simplifies global tax compliance and enhances decision-making efficiency.
www.thomsonreuters.com/en/products-services/onesourceOnvio
Facilitates seamless collaboration and streamlining for tax and accounting teams.
tax.thomsonreuters.com/en/onvioCS Professional Suite
Empowers tax and accounting firms to streamline workflows and automate processes for enhanced productivity.
tax.thomsonreuters.com/us/en/cs-professional-suiteCoCounsel Tax
Streamline tax processes with AI-driven insights and reliable information.
www.thomsonreuters.com/en/products/cocounsel-taxONESOURCE Indirect Compliance
Streamlines global indirect tax compliance, enhancing accuracy and efficiency.
tax.thomsonreuters.com/en/onesource/indirect-tax/complianceONESOURCE Pagero
Streamlines global e-invoicing compliance, simplifying complex mandates.
www.thomsonreuters.com/en/products/onesource-pageroONESOURCE Export Management
Simplify and automate export compliance for efficient global trade management.
tax.thomsonreuters.com/en/onesource/global-trade-management/export-complianceONESOURCE Foreign Trade Zone Management
Simplifies foreign trade zone management for enhanced efficiency and compliance.
tax.thomsonreuters.com/en/onesource/foreign-trade-zone-managementONESOURCE Free Trade Agreement Management
Streamline Free Trade Agreement Management for Enhanced Compliance and Efficiency.
tax.thomsonreuters.com/en/onesource/global-trade-management/free-trade-agreementONESOURCE Global Classification AI
Streamline global trade compliance with AI-driven classification technology.
tax.thomsonreuters.com/en/products/onesource-global-classification-aiONESOURCE Import Management
Streamline cross-border imports and ensure compliance with customs regulations.
tax.thomsonreuters.com/en/onesource/global-trade-management/import-complianceONESOURCE Global Trade Content
Support global trade compliance and classification with comprehensive content.
tax.thomsonreuters.com/en/onesource/global-trade-management/contentMarket segments
Market size by segment
Growth potential (CAGR)
Legal research and knowledge management
Capabilities that provide authoritative legal content, advanced search, and practitioner-ready guidance to support legal research, precedents, and practice knowledge.
Legal document automation and drafting
Automated drafting and assembly of pleadings, discovery responses, deposition summaries, cross‑examination chapters, and research‑backed documents in a firm’s voice to accelerate matter preparation.
Matter management and secure client collaboration
Platforms for managing matters, documents, client communications, and collaborative workflows with security and real-time collaboration features.
Corporate tax and compliance
Services focused on tax planning, preparation, credits (including R&D), international tax strategies, depreciation optimization, and tax risk and compliance management for businesses.
Trade compliance and customs classification
Capabilities to manage export classification, HS/HTS codes, preferential origin and trade-agreement compliance, and related documentation to protect market access and meet customs and defense-related requirements.
More information about our offering
CoCounsel Legal
AI-powered legal assistant that unites research, analysis, and drafting in a single workflow. CoCounsel Legal leverages trusted Westlaw and Practical Law content to accelerate client work.
- Provides AI-Assisted AnalysisLeverages advanced AI to enhance the legal analysis process, ensuring more informed drafting and strategic decisions.
- Enhances Drafting EfficiencyStreamlines the drafting process with AI integration, utilizing verified legal content for improved accuracy and efficiency.
- Improves Research AccuracyUtilizes robust AI capabilities to enhance the accuracy and speed of legal research, tapping into the vast resources of Westlaw and Practical Law.
- Streamlines Legal TasksIntegrates various legal tasks into a cohesive workflow, improving efficiency and coherence across legal operations.
- Tailors User ExperienceFacilitates the customization of AI settings, ensuring that the tool aligns with individual practice needs and user requirements.
Westlaw
Legal research platform offering trusted content with editorial enhancements and advanced search capabilities.
- Locate Resources EfficientlyUtilize advanced algorithms and AI-driven insights to streamline the research process, ensuring legal professionals can access pertinent information promptly.
- Access Verified Legal MaterialsBenefit from meticulously curated content reviewed by experts, ensuring accuracy and reliability for informed decision-making.
- Access Diverse Legal PrecedentsExplore an extensive range of cases, statutes, and regulations, making it easier to support legal arguments with relevant precedents.
- Enhance Research OutcomesUtilize AI capabilities to forecast case outcomes and identify trends, allowing legal professionals to formulate strategic approaches.
- Improve Research EfficiencyNavigate easily through comprehensive databases and tools, reducing time spent on training and enhancing productivity.
Practical Law
Practical Law delivers practitioner-ready templates, checklists, and comprehensive guidance to support legal work efficiently and accurately.
- Empowers Confident Legal PracticesPractical Law offers extensive advice and resources that ensure legal professionals can make informed decisions while performing their day-to-day duties.
- Streamlines Legal WorkflowsWith a collection of customizable templates and checklists, Practical Law simplifies the preparation and execution of common legal tasks, enhancing efficiency.
- Keeps Practice CurrentPractical Law ensures that legal professionals are always informed about the latest developments in laws, helping them stay compliant and effective.
- Supports Informed Strategic PlanningBy offering insights across diverse practice areas, Practical Law equips legal professionals with the knowledge necessary for informed strategy formation.
HighQ
Secure legal delivery platform enabling collaboration, automated workflows, and AI-powered client engagement.
- Streamlines Client InteractionLeverages AI to optimize communication and engagement with clients, ensuring timely updates and personalized responses.
- Reduces Manual TasksEliminates manual input and streamlines processes, allowing legal teams to focus on higher-value tasks.
- Facilitates Secure CommunicationEnsures that all collaborative efforts are conducted within a secure environment, protecting sensitive client information.
- Centralizes Legal MattersProvides an organized platform for managing legal documents and communications, improving accessibility and efficiency.
- Enhances Team CollaborationAllows for concurrent editing and discussion, speeding up document preparation and review processes.
ONESOURCE
A cloud-based corporate technology suite for global tax compliance and decision making.
- Ensures ComplianceFacilitates compliant and efficient navigation of international tax regulations, allowing organizations to make informed strategic decisions effortlessly.
- Streamlines ProcessesLeverages sophisticated automation tools to minimize manual errors and optimize tax workflows, allowing firms to focus on strategic initiatives.
- Enhances AccuracyProvides seamless data synchronization to ensure that all tax-related reports are based on the most current and accurate information available.
- Supports CustomizationProvides flexible integration options that enhance the overall usability of ONESOURCE within existing workflows and systems.
- Simplifies ReportingFacilitates streamlined generation of comprehensive tax reports to meet diverse regulatory needs quickly and efficiently.
Onvio
Onvio is a cloud-based tax and accounting software suite that supports real-time collaboration.
- Enhances Team InteractionAllows multiple users to work simultaneously, reducing response times and improving efficiency.
- Streamlines OperationsEnables a cohesive workflow across various accounting practices, minimizing delays and complexity.
- Improves Decision-MakingEquips users with current data to make informed decisions faster.
- Centralizes DocumentationFacilitates easy access and sharing of documents, ensuring compliance and improving productivity.
- Simplifies ReportingAllows professionals to create and customize reports efficiently, enhancing analytical capabilities.
CS Professional Suite
Integrated software and services for tax and accounting professionals, designed to increase efficiency and accuracy in client service and governance.
- Manage All Tax ProcessesSeamlessly handle engagements, data collection, and compliance tasks in one unified system.
- Leverage Intelligent AutomationAutomate document preparation and enjoy real-time insights, allowing professionals to focus on high-value tasks.
- Enhance Workflow EfficiencyIntegrates various professional services to enhance collaboration and reduce time spent on task transitions.
- Elevate Client EngagementFacilitates effective client communication and enhances overall service satisfaction through user-friendly tools.
- Tailor Processes to Your NeedsEasily modify workflows to fit the unique requirements of your tax practices.
CoCounsel Tax
AI-assisted tax, audit, and accounting workflows with authoritative content.
- Enhance EfficiencyUtilize AI to optimize tax tasks, reducing time and errors.
- Access Reliable InsightsLeverage authoritative sources to ensure compliance and informed decision-making.
- Improve AccuracyStandardize audit processes for enhanced compliance and efficiency.
- Support GrowthEfficiently manage high-volume transactions and diverse tax needs.
- Simplify ResearchFind information quickly with advanced search capabilities.
ONESOURCE Indirect Compliance
Automates sales and use tax, GST, and VAT compliance globally. Move beyond complicated, country-specific spreadsheets to stay compliant across the globe.
- Ensures Compliance WorldwideProvides comprehensive support for indirect tax compliance in diverse regions, helping organizations navigate varying regulations effectively.
- Streamlines Tax ProcessesReduces manual effort by automating complex calculations and reporting, thereby minimizing errors and saving time.
- Stay InformedKeeps users informed about changing tax laws and compliance requirements, allowing proactive adjustments to strategies.
- Enhances EfficiencyFacilitates smooth data transfer between ERP and compliance systems, ensuring accurate and timely reporting without redundancy.
ONESOURCE Pagero
Comply with global e-invoicing mandates by leveraging a fully integrated, electronic invoice compliance solution — one solution spanning the globe, simplifying complexity for tax, e-invoicing, and continuous transaction controls.
- Ensures Compliance With E-InvoicingFacilitates seamless compliance with e-invoicing regulations worldwide, helping organizations navigate diverse requirements.
- Centralizes Invoicing ProcessesOffers a unified approach to handle invoicing and compliance across multiple jurisdictions, reducing administrative burden and enhancing operational efficiency.
- Automates Compliance ChecksUtilizes automated systems to ensure ongoing adherence to changing regulations and mandates, minimizing risk and enhancing reliability.
ONESOURCE Export Management
Export management within ONESOURCE for global trade compliance.
- Ensures Compliance With Export RegulationsThis feature provides organizations with the necessary tools to comply with international export controls, reducing the risk of violations and penalties.
- Facilitates Efficient Trade DocumentationThis feature streamlines trade documentation processes, ensuring accurate compliance with regulatory requirements across different jurisdictions.
- Streamlines Trade ProcessesIntegrates with existing ERP systems to unify data management, enhancing operational efficiency and accuracy in trade compliance.
- Keeps You Informed on Compliance ChangesThis feature ensures that users are always up-to-date with the latest regulatory changes, minimizing compliance risks.
- Simplifies Reporting RequirementsAutomates the process of creating export reports, saving time and ensuring compliance with reporting obligations.
ONESOURCE Foreign Trade Zone Management
Management of foreign trade zones with comprehensive tools to facilitate compliance and streamline operations.
- Streamline Zone ComplianceAutomates compliance tasks associated with foreign trade zones, ensuring adherence to regulations and avoiding penalties.
- Enhance Trade EfficiencyFacilitates smoother customs processes and trade compliance, helping businesses navigate international regulations adeptly.
- Access Insights InstantlyEquips businesses with real-time data to make informed decisions swiftly, optimizing trade strategies.
- Adapt Workflows QuicklyAllows users to modify workflows to fit their operational processes, enhancing productivity and response to trade requirements.
ONESOURCE Free Trade Agreement Management
ONESOURCE Free Trade Agreement Management simplifies the management of free trade agreements (FTAs) by providing comprehensive tools for compliance and monitoring, ensuring that organizations leverage available trade benefits effectively.
- Manage FTAs EffectivelyStreamline the management of multiple free trade agreements with intuitive tools that enhance visibility and control over compliance statuses.
- Ensure Compliance Across TreatiesAutomatically track and monitor compliance requirements for various trade agreements, ensuring adherence to regulations and minimizing risk.
- Generate Compliance ReportsCreate easy-to-understand compliance reports for free trade agreements, enabling swift decision-making and ensuring regulatory alignment.
ONESOURCE Global Classification AI
AI-driven classification for global trade data, enhancing accuracy and compliance in classification processes.
- Enhances AccuracyImproves decision-making by providing accurate classifications that adhere to regulatory standards.
- Increases EfficiencyStreamlines data processes by reducing manual input, allowing users to focus on higher-value tasks.
ONESOURCE Import Management
Import management for cross-border trade. This solution enables businesses to streamline their import processes and ensure compliance with regulations across jurisdictions.
- Enhance Workflow EfficiencyAutomate processes and reduce manual effort to enhance the speed and efficiency of cross-border trade operations.
- Ensure Regulatory ComplianceStay up-to-date with changing regulations to mitigate risks and ensure compliance in international trade.
- Receive Automatic UpdatesAccess real-time information on regulatory changes to stay compliant without manual investigation.
- Organize Import DocumentsEfficiently manage and store all necessary import documentation to streamline audits and compliance checks.
ONESOURCE Global Trade Content
Global trade content for ONESOURCE solutions, providing key insights and resources to enhance compliance and classification in international trade.
- Informs Tax And Trade DecisionsUtilizes robust data and insights to guide organizations in making informed tax and trade compliance choices.
- Enhances Compliance And ClassificationDelivers essential trade content to facilitate regulatory compliance and accurate product classification globally.
- Integrates With ONESOURCE SuiteProvides a comprehensive solution that works in conjunction with other ONESOURCE applications for improved efficiency.
- Provides Current Compliance InformationRegular updates ensure the content reflects the latest regulatory changes and compliance requirements.
References
Methodology and sourcing behind the figures shown above.
Legal research and knowledge management
Estimate derived by reconciling overall legal-technology market sizes (~USD 30–35B) with specialist legal-AI and legal-analytics/knowledge-management submarkets (USD ~1.8–3.1B) and reported application-level growth. Legal research and knowledge-management capabilities are a material subset of legal tech (approx. 10–12% share) and align with reported legal-analytics/knowledge-management CAGRs (≈11–14%), so the segment is estimated at about USD 3.5B with ~12% CAGR potential.
- Estimated to be valued at USD 3.11 billion in 2025 and projected to reach USD 10.82 billion by 2030 at a CAGR of 28.3%.
- The global legal technology market was valued at USD 29.81 billion in 2025 and is projected to reach USD 73.32 billion by 2035; CAGR 9.42% (2026-2035).
- Global Legal Analytics Market was valued at USD 1.85 Billion in 2023 and is projected to hit USD 5.03 Billion by 2032, with a CAGR of 11.78% (2024-2032).
- Global legaltech market size is projected to rise from US$32.8 billion in 2026 to US$63.1 billion by 2033, growing at a CAGR of 9.8% (2026-2033).
Legal document automation and drafting
Search results show multiple analyst estimates with varying scopes. Software-focused reports cluster around USD 3–3.7B in the mid-2020s (WiseGuy, WGR), while one vendor report is lower (BRI ~USD 1.28B). Service-focused and broader Legal AI reports show different baselines. I therefore estimate the legal document automation and drafting software market at ~USD 3.3B (mid-2020s) with growth potential ~11% CAGR, reconciling software-specific forecasts (≈10.6–13%) and excluding broader legal-AI figures that skew higher.
- Market Size, 2025 USD 3.66 Billion; CAGR 10.6% (2026–2035)
- Global Legal Document Automation Software Market valued at approximately USD 1.28 Billion in 2026; CAGR of 13% (2026–2035)
- Legal Document Drafting Services Market estimated at USD 2.5 Billion in 2024; CAGR 4.37% (2025–2035)
- Legal AI software market estimated at USD 3.11 Billion in 2025; CAGR 28.3% (2025–2030)
Matter management and secure client collaboration
Search results did not contain an explicit total market size. I estimated a global market size of about $2.0B for matter management and secure client collaboration as a focused subset of the legal practice/legal case management software market (enterprise and law‑firm matter management, secure collaboration features, and adjacent spend-management). Growth potential is based on an industry source projecting ~14% CAGR for legal case/management software; matter-centric collaboration is a high-adoption category within that segment, supporting a mid-teens CAGR projection.
Corporate tax and compliance
Primary estimate uses a corporate‑services specific report that values the global corporate tax service market at USD 19.84B (2026) with a 6% CAGR to 2035. Adjacent market references (tax management, tax compliance software, and broader tax‑tech) show market sizes from ~USD 19.9B–34.4B (2024) and higher CAGRs (≈6.3%–12.9%), indicating stronger growth potential for technology‑enabled tax and compliance offerings within the broader category.
- Global corporate tax service market valued at USD 19.84 Billion in 2026; projected CAGR 6% (2026–2035).
- Tax Compliance Software Market size estimated at USD 19,946.01 Million in 2024; CAGR 12.92% (2025–2035).
- Tax management market: USD 24.52 billion in 2025 to USD 33.21 billion by 2030; CAGR 6.3% (2025–2030).
- Global tax tech market size USD 34.4 billion in 2024; expected USD 85.78 billion by 2032; CAGR 12.10% (2025–2032).
Trade compliance and customs classification
Primary estimate based on MRFR’s Customs and Trade Compliance Services market report, which directly covers customs/classification and related compliance services (2024 size and forecast CAGR). A secondary source (Verified Market Reports, cited via LinkedIn) provides a lower 2024 valuation and a similar multi-year growth projection, supporting a mid-single-digit CAGR outlook.
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