Westlaw
Westlaw is Thomson Reuters' flagship cloud-based legal research platform, serving attorneys, paralegals, and legal researchers at law firms, corporate legal departments, and government agencies with subscription access to case law, statutes, regulations, and AI-powered document drafting tools.
- Company typePrivate
- Founded1992
- HeadquartersMinnesota City, United States
- Headcount5,001–10,000
- GTM typeB2B
- OfferingSoftware
What Westlaw does
Westlaw is the flagship legal research platform of Thomson Reuters, a publicly traded Canadian-domiciled conglomerate listed on the NYSE (TRI). The platform serves legal professionals — attorneys, paralegals, and legal researchers — at law firms, corporate legal departments, and government agencies, providing access to case law, statutes, regulations, secondary sources, and legal analytics. The core product is delivered as a cloud-based subscription, accessed via the Thomson Reuters OnePass authentication system that singles-sign-on across the broader legal product portfolio.
The product surface is anchored by the Westlaw research platform and extended by CoCounsel Drafting, an AI-powered add-on module that uses generative AI to help legal professionals draft stronger legal documents in half the time. The underlying technology stack is a cloud-based legal research platform with identity management integrated into OnePass, supporting both direct username/password access and enterprise single sign-on for organizational credential management. US Technical Support is operated at scale (1-800-934-9378), and the platform is served globally.
Westlaw operates an enterprise sales motion, with a 'Request a demo' call-to-action and quote-based pricing rather than publicly disclosed rates. Revenue is generated through professional legal research subscriptions sold on an organizational license basis to law firms, corporate legal departments, and government agencies. Because Westlaw is not a separately listed entity, financial performance is reported only at the Thomson Reuters Legal Professionals segment level, and product-level revenue, headcount, and growth metrics are not disclosed in the source material. The product is operating actively and benefits from the distribution and brand authority of its parent company.
Westlaw firmographics
Firmographics- Name
- Westlaw
- Legal name
- Westlaw (Thomson Reuters product)
- Website
- https://web2.westlaw.com
- Company type
- Private
- Founded year
- 1992
- Operating status
- Operating
- Headcount range
- 5,001–10,000 employees
- Short description
- Westlaw is Thomson Reuters' flagship cloud-based legal research platform, serving attorneys, paralegals, and legal researchers at law firms, corporate legal departments, and government agencies with subscription access to case law, statutes, regulations, and AI-powered document drafting tools.
- Ownership category
- akta.pro rank
Westlaw industry classification
Industry- Product category
- Legal Research Software
- NAICS
- Offices of Lawyers (54111), Legal Services (5411), All Other Legal Services (541199)
- SIC
- Services-Legal Services (8111), Books: Publishing Or Publishing & Printing (2731)
- akta.pro primary industry
- Legal Practice Management & Case Management (BPAEAPAC)
- akta.pro secondary industry
- Legal Reference (Statutes, Case Law, Practice Guides) (EDAGAGAB)
Keywords
Where Westlaw is headquartered
LocationHeadquarters
- HQ city
- Minnesota City
- HQ country
- United States
- HQ region
- North America
Markets served
Westlaw business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Infrastructure, Operations, Marketing or Sales
Revenue model
- Professional Legal Research Subscription: Subscription-based access to legal research database and document drafting tools, likely sold to law firms, corporate legal departments, and government agencies on an organizational license basis.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels2 records
Westlaw product offering
Product offeringCore offering
Westlaw is Thomson Reuters' flagship cloud-based legal research platform that provides legal professionals access to case law, statutes, regulations, secondary sources, and legal analytics. It is integrated with the OnePass authentication system and offers AI-powered capabilities such as CoCounsel Drafting for legal document creation, sold primarily on a professional subscription basis to law firms, corporate legal departments, and government agencies.
Product overview
Westlaw is a comprehensive legal research platform by Thomson Reuters. The core offering includes Westlaw (the main legal research platform), supplemented by AI-powered features such as CoCounsel Drafting. CoCounsel Drafting is an add-on module that leverages generative AI to help legal professionals draft stronger legal documents in half the time.
Differentiator
Problem solved
Functional benefit
Products and services
- Westlaw
Quantifiable outcome
- Draft stronger legal documents in half the time
Companies that use Westlaw
Customer profileSegments1 record
Ideal customer profiles1 record
Westlaw technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability2 records
Feature1 record
Westlaw partnerships and signals
Strategic signalRecent moves3 records
Expansion highlights3 records
Westlaw competitors and assessment
Company assessmentDirect peers
- vLex: vLex is a global legal research platform with deep coverage of common law jurisdictions, including its AI assistant Vincent. It competes directly with Westlaw on cross-border legal research and editorial content.
- LexisNexis: LexisNexis (Lexis+) is the closest direct competitor to Westlaw, offering legal research databases covering case law, statutes, and secondary sources for law firms, corporate legal departments, and government agencies on a subscription basis.
- Bloomberg Law: Bloomberg Law is a subscription legal research platform that competes head-to-head with Westlaw for law firm and in-house legal department budgets, combining case law, dockets, and news in an integrated workflow.
- Casetext (Thomson Reuters): Casetext is now part of Thomson Reuters and offers AI-powered legal research including the CoCounsel product. It is a sibling product to Westlaw that competes in the same AI-augmented legal research category while serving overlapping customers.
Broad incumbents
- Practical Law (Thomson Reuters): Practical Law is a sibling Thomson Reuters product offering expert-authored practice notes, precedents, and current-awareness tools. It is a complementary rather than directly competing product for the same legal professional audience served by Westlaw.
- Thomson Reuters: Thomson Reuters is the parent conglomerate that owns Westlaw and provides the enterprise sales force, OnePass identity layer, and broader legal ecosystem (Practical Law, CoCounsel, Casetext). It is the parent rather than a competitor, but materially shapes Westlaw's competitive context.
- Wolters Kluwer Legal & Regulatory: Wolters Kluwer is a large, established information services company whose Legal & Regulatory division offers legal research, compliance, and practice management tools that overlap with Westlaw's enterprise legal customer base.
Emerging players
- Fastcase: Fastcase is a legal research platform often bundled with bar association memberships, offering case law and statutes at lower price points. It is a meaningful niche competitor to Westlaw for price-sensitive segments of the legal market.
- Spellbook: Spellbook is an AI-powered legal drafting assistant that uses LLMs to draft and review contracts. It overlaps with Westlaw's CoCounsel Drafting capabilities and represents the emerging AI-native threat to incumbent legal research platforms.
- Harvey: Harvey is an AI-native legal technology platform providing domain-specific LLMs for legal research, drafting, and analysis. It targets the same AmLaw 100 and corporate legal customers as Westlaw with a fundamentally different, conversational UX.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Westlaw social profiles
Digital presenceWestlaw financial estimates
Financial estimateRevenue estimate
Valuation estimate
Westlaw leadership team
Management profileNumber of profiles
Westlaw funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Westlaw M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Westlaw
What does Westlaw do?
Westlaw is Thomson Reuters' flagship cloud-based legal research platform that provides legal professionals access to case law, statutes, regulations, secondary sources, and legal analytics. It is integrated with the OnePass authentication system and offers AI-powered capabilities such as CoCounsel Drafting for legal document creation, sold primarily on a professional subscription basis to law firms, corporate legal departments, and government agencies.
Is Westlaw a public or private company?
Westlaw is a private company. It is classified as corporate owned and is currently operating.
When was Westlaw founded?
Westlaw was founded in 1992. It employs 5,001 to 10,000 people.
Where is Westlaw based?
Westlaw is headquartered in Minnesota City, United States, in the North America region.
How does Westlaw make money?
One revenue line is on record: professional Legal Research Subscription.
Who are Westlaw's main competitors?
Direct peers on record are vLex, LexisNexis, Bloomberg Law and Casetext (Thomson Reuters). Broad incumbents are Practical Law (Thomson Reuters), Thomson Reuters and Wolters Kluwer Legal & Regulatory. Emerging players are Fastcase, Spellbook and Harvey.
Does Westlaw have an API?
No public API is recorded for Westlaw.
What industry is Westlaw in?
Westlaw's product category is Legal Research Software. Its primary akta.pro industry code is BPAEAPAC, Legal Practice Management & Case Management, with a secondary code of EDAGAGAB, Legal Reference (Statutes, Case Law, Practice Guides). Its NAICS code is 54111 and its SIC code is 8111.