CoCounsel: Legal AI software
Fiduciary-Grade AI built for high-stakes professional work
CoCounsel is an AI assistant from Thomson Reuters built for legal, tax, audit, compliance, and drafting work. It delivers verifiable answers grounded in authoritative proprietary content, serving over one million professional users across law firms, corporations, and government.
Product
CoCounsel
Use cases
Headquarters
United States
Funding stage
Public
Last updated
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What CoCounsel does
CoCounsel integrates with Westlaw, Practical Law, Checkpoint, Microsoft 365, and document management system partners. It emphasizes transparent outputs that surface sources and reasoning, enterprise-grade privacy safeguards, and subject-matter expert validation. Designed for professionals whose work faces regulatory oversight and scrutiny, it supports fiduciary-grade standards rather than general-purpose productivity tasks.
What it does
CoCounsel core capabilities
Legal professionals
AI assistance for legal research and drafting tasks
Tax professionals
AI support for tax-related professional workflows
Audit professionals
AI tools for audit and assurance work
Accounting professionals
AI assistance for accounting workflows
Technical specifications
- 175 years of Thomson Reuters knowledge base
- Integrations: Westlaw, Practical Law, Checkpoint, Microsoft 365
- TLS 1.2 encryption in transit, AES-256 at rest
- Zero-retention API calls with OpenAI and Google
- U.S.-based hosting with UK, Australia, Canada regions available
Who it is for
Who CoCounsel is built for
Target audience
- Large Law Firm
- Mid-Sized Law Firm
- In-House Legal Teams
- Chambers & Individual Lawyers
Team size
- 11-50
- 51-200
- 201-500
- 500+
Case studies
No case studies yet
CoCounsel doesn’t have a client-confirmed case study on DreamLegal yet. Try exploring different products for exploring case studies.
Trust & compliance
CoCounsel security at a glance
Security certifications
Named enterprise customers
Pricing details
CoCounsel pricing
Starting price
Pricing model
Free version
Not stated; contact Thomson Reuters for pricing
Product videos & screenshots
See CoCounsel in action
Product interface
CoCounsel Interface
Comparisons
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Transparency
CoCounsel sources
Pages used to generate and verify this profile.
FAQs
Frequently asked questions about CoCounsel
No. User content and prompts are not used to train or improve CoCounsel, associated products, or LLMs used in Thomson Reuters or third-party output. Data is not stored by OpenAI or Google. Third-party partners are contractually prohibited from using customer data to train their models, and abuse-monitoring controls are disabled where applicable.
All GenAI LLM requests are processed under a generic Thomson Reuters identity, never identifying the individual customer. Data in transit is secured via TLS 1.2, and data at rest uses AES-256 symmetric encryption. Interactions with GenAI LLM providers use zero-retention API calls. Retention policies are customizable per customer at the organization account level.
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