Thomson Reuters CoCounsel
Leading#4 in SaaShigh confidence
Research and document review deeply integrated with Westlaw and Practical Law for firms already in the Thomson Reuters stack.Our read
Why it ranks #4
G2 rates CoCounsel Legal 4.5/5 from 310 reviews, and independent legal-AI reviews repeatedly position it as the Thomson Reuters option for research plus document work.Here is the catch
cost can rise substantially when paired with Westlaw or Practical Law
plan boundaries matter; Essentials does not include Westlaw primary-law research
generated citations and legal conclusions still require attorney verification
Does this well
authoritative Thomson Reuters content improves research grounding
covers research, document analysis, drafting, and litigation preparation in one product
users praise fast, intuitive legal research
Pricing
Checked by hand on 2026-07-23. Prices in this category change often — if this looks wrong, it probably is.
Key features
Westlaw and Practical Law-grounded researchdocument analysis and draftingcontract review in Microsoft WordDeep Research and agentic workflows
Sources we read
Quick facts
More in this area
The rest of the SaaS column.- 1SpellbookWord-native drafting and review co-pilot favored by transactional lawyers and in-house counsel doing high volumes of commercial agreements.
- 2LegalOnAttorney-built playbooks in Word for in-house teams that want fast, standardized contract review with pre-approved positions.
- 3HarveyEnterprise legal AI for large law firms — research, document analysis and contract review at scale via conversational queries.
- 5DefinelyIn-Word review and negotiation assistant for teams handling complex contracts where context and definition-tracking matter.
- 6LuminancePattern-recognition contract analysis across large document sets, strong for due diligence and bulk review.
- 7LEGALFLYPrivacy-first, jurisdiction-aware review for in-house teams in regulated industries, with Microsoft integration.