TRThomson Reuters logo

Thomson Reuters Unclaimed

Legal Technology

tax.thomsonreuters.com

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-legal

Westlaw

Find legal answers faster with trusted research software powered by 150 years of expertise.

legal.thomsonreuters.com/en/products/westlaw

Practical Law

Enhances legal practice with expert guidance and customizable resources.

legal.thomsonreuters.com/en/products/practical-law

HighQ

Enhances legal service delivery through secure collaboration and automated processes.

legal.thomsonreuters.com/en/products/highq

ONESOURCE

Simplifies global tax compliance and enhances decision-making efficiency.

www.thomsonreuters.com/en/products-services/onesource

Onvio

Facilitates seamless collaboration and streamlining for tax and accounting teams.

tax.thomsonreuters.com/en/onvio

CS Professional Suite

Empowers tax and accounting firms to streamline workflows and automate processes for enhanced productivity.

tax.thomsonreuters.com/us/en/cs-professional-suite

CoCounsel Tax

Streamline tax processes with AI-driven insights and reliable information.

www.thomsonreuters.com/en/products/cocounsel-tax

ONESOURCE Indirect Compliance

Streamlines global indirect tax compliance, enhancing accuracy and efficiency.

tax.thomsonreuters.com/en/onesource/indirect-tax/compliance

ONESOURCE Pagero

Streamlines global e-invoicing compliance, simplifying complex mandates.

www.thomsonreuters.com/en/products/onesource-pagero

ONESOURCE Export Management

Simplify and automate export compliance for efficient global trade management.

tax.thomsonreuters.com/en/onesource/global-trade-management/export-compliance

ONESOURCE Foreign Trade Zone Management

Simplifies foreign trade zone management for enhanced efficiency and compliance.

tax.thomsonreuters.com/en/onesource/foreign-trade-zone-management

ONESOURCE Free Trade Agreement Management

Streamline Free Trade Agreement Management for Enhanced Compliance and Efficiency.

tax.thomsonreuters.com/en/onesource/global-trade-management/free-trade-agreement

ONESOURCE Global Classification AI

Streamline global trade compliance with AI-driven classification technology.

tax.thomsonreuters.com/en/products/onesource-global-classification-ai

ONESOURCE Import Management

Streamline cross-border imports and ensure compliance with customs regulations.

tax.thomsonreuters.com/en/onesource/global-trade-management/import-compliance

ONESOURCE Global Trade Content

Support global trade compliance and classification with comprehensive content.

tax.thomsonreuters.com/en/onesource/global-trade-management/content

Market segments

Market size by segment

Growth potential (CAGR)

Legal research and knowledge management

3.5 Billion USD12% CAGR

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

3.3 Billion USD11% CAGR

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

2 Billion USD14% CAGR

Platforms for managing matters, documents, client communications, and collaborative workflows with security and real-time collaboration features.

Corporate tax and compliance

19.84 Billion USD6% CAGR

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

10.5 Billion USD4.92% CAGR

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 Analysis
    Leverages advanced AI to enhance the legal analysis process, ensuring more informed drafting and strategic decisions.
  • Enhances Drafting Efficiency
    Streamlines the drafting process with AI integration, utilizing verified legal content for improved accuracy and efficiency.
  • Improves Research Accuracy
    Utilizes robust AI capabilities to enhance the accuracy and speed of legal research, tapping into the vast resources of Westlaw and Practical Law.
  • Streamlines Legal Tasks
    Integrates various legal tasks into a cohesive workflow, improving efficiency and coherence across legal operations.
  • Tailors User Experience
    Facilitates 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 Efficiently
    Utilize advanced algorithms and AI-driven insights to streamline the research process, ensuring legal professionals can access pertinent information promptly.
  • Access Verified Legal Materials
    Benefit from meticulously curated content reviewed by experts, ensuring accuracy and reliability for informed decision-making.
  • Access Diverse Legal Precedents
    Explore an extensive range of cases, statutes, and regulations, making it easier to support legal arguments with relevant precedents.
  • Enhance Research Outcomes
    Utilize AI capabilities to forecast case outcomes and identify trends, allowing legal professionals to formulate strategic approaches.
  • Improve Research Efficiency
    Navigate 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 Practices
    Practical Law offers extensive advice and resources that ensure legal professionals can make informed decisions while performing their day-to-day duties.
  • Streamlines Legal Workflows
    With a collection of customizable templates and checklists, Practical Law simplifies the preparation and execution of common legal tasks, enhancing efficiency.
  • Keeps Practice Current
    Practical Law ensures that legal professionals are always informed about the latest developments in laws, helping them stay compliant and effective.
  • Supports Informed Strategic Planning
    By 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 Interaction
    Leverages AI to optimize communication and engagement with clients, ensuring timely updates and personalized responses.
  • Reduces Manual Tasks
    Eliminates manual input and streamlines processes, allowing legal teams to focus on higher-value tasks.
  • Facilitates Secure Communication
    Ensures that all collaborative efforts are conducted within a secure environment, protecting sensitive client information.
  • Centralizes Legal Matters
    Provides an organized platform for managing legal documents and communications, improving accessibility and efficiency.
  • Enhances Team Collaboration
    Allows 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 Compliance
    Facilitates compliant and efficient navigation of international tax regulations, allowing organizations to make informed strategic decisions effortlessly.
  • Streamlines Processes
    Leverages sophisticated automation tools to minimize manual errors and optimize tax workflows, allowing firms to focus on strategic initiatives.
  • Enhances Accuracy
    Provides seamless data synchronization to ensure that all tax-related reports are based on the most current and accurate information available.
  • Supports Customization
    Provides flexible integration options that enhance the overall usability of ONESOURCE within existing workflows and systems.
  • Simplifies Reporting
    Facilitates 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 Interaction
    Allows multiple users to work simultaneously, reducing response times and improving efficiency.
  • Streamlines Operations
    Enables a cohesive workflow across various accounting practices, minimizing delays and complexity.
  • Improves Decision-Making
    Equips users with current data to make informed decisions faster.
  • Centralizes Documentation
    Facilitates easy access and sharing of documents, ensuring compliance and improving productivity.
  • Simplifies Reporting
    Allows 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 Processes
    Seamlessly handle engagements, data collection, and compliance tasks in one unified system.
  • Leverage Intelligent Automation
    Automate document preparation and enjoy real-time insights, allowing professionals to focus on high-value tasks.
  • Enhance Workflow Efficiency
    Integrates various professional services to enhance collaboration and reduce time spent on task transitions.
  • Elevate Client Engagement
    Facilitates effective client communication and enhances overall service satisfaction through user-friendly tools.
  • Tailor Processes to Your Needs
    Easily modify workflows to fit the unique requirements of your tax practices.

CoCounsel Tax

AI-assisted tax, audit, and accounting workflows with authoritative content.

  • Enhance Efficiency
    Utilize AI to optimize tax tasks, reducing time and errors.
  • Access Reliable Insights
    Leverage authoritative sources to ensure compliance and informed decision-making.
  • Improve Accuracy
    Standardize audit processes for enhanced compliance and efficiency.
  • Support Growth
    Efficiently manage high-volume transactions and diverse tax needs.
  • Simplify Research
    Find 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 Worldwide
    Provides comprehensive support for indirect tax compliance in diverse regions, helping organizations navigate varying regulations effectively.
  • Streamlines Tax Processes
    Reduces manual effort by automating complex calculations and reporting, thereby minimizing errors and saving time.
  • Stay Informed
    Keeps users informed about changing tax laws and compliance requirements, allowing proactive adjustments to strategies.
  • Enhances Efficiency
    Facilitates 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-Invoicing
    Facilitates seamless compliance with e-invoicing regulations worldwide, helping organizations navigate diverse requirements.
  • Centralizes Invoicing Processes
    Offers a unified approach to handle invoicing and compliance across multiple jurisdictions, reducing administrative burden and enhancing operational efficiency.
  • Automates Compliance Checks
    Utilizes 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 Regulations
    This feature provides organizations with the necessary tools to comply with international export controls, reducing the risk of violations and penalties.
  • Facilitates Efficient Trade Documentation
    This feature streamlines trade documentation processes, ensuring accurate compliance with regulatory requirements across different jurisdictions.
  • Streamlines Trade Processes
    Integrates with existing ERP systems to unify data management, enhancing operational efficiency and accuracy in trade compliance.
  • Keeps You Informed on Compliance Changes
    This feature ensures that users are always up-to-date with the latest regulatory changes, minimizing compliance risks.
  • Simplifies Reporting Requirements
    Automates 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 Compliance
    Automates compliance tasks associated with foreign trade zones, ensuring adherence to regulations and avoiding penalties.
  • Enhance Trade Efficiency
    Facilitates smoother customs processes and trade compliance, helping businesses navigate international regulations adeptly.
  • Access Insights Instantly
    Equips businesses with real-time data to make informed decisions swiftly, optimizing trade strategies.
  • Adapt Workflows Quickly
    Allows 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 Effectively
    Streamline the management of multiple free trade agreements with intuitive tools that enhance visibility and control over compliance statuses.
  • Ensure Compliance Across Treaties
    Automatically track and monitor compliance requirements for various trade agreements, ensuring adherence to regulations and minimizing risk.
  • Generate Compliance Reports
    Create 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 Accuracy
    Improves decision-making by providing accurate classifications that adhere to regulatory standards.
  • Increases Efficiency
    Streamlines 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 Efficiency
    Automate processes and reduce manual effort to enhance the speed and efficiency of cross-border trade operations.
  • Ensure Regulatory Compliance
    Stay up-to-date with changing regulations to mitigate risks and ensure compliance in international trade.
  • Receive Automatic Updates
    Access real-time information on regulatory changes to stay compliant without manual investigation.
  • Organize Import Documents
    Efficiently 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 Decisions
    Utilizes robust data and insights to guide organizations in making informed tax and trade compliance choices.
  • Enhances Compliance And Classification
    Delivers essential trade content to facilitate regulatory compliance and accurate product classification globally.
  • Integrates With ONESOURCE Suite
    Provides a comprehensive solution that works in conjunction with other ONESOURCE applications for improved efficiency.
  • Provides Current Compliance Information
    Regular 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.

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.

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.

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.

Related Organizations