The Total Economic Impact™ of Thomson Reuters CoCounsel Legal

A commissioned study conducted by Forrester Consulting on behalf of Thomson Reuters in August 2026 found that CoCounsel Legal delivered a 222% return on investment over three years, driven by significant gains in legal research and contract review efficiency.

Since this study was conducted, CoCounsel Legal has undergone substantial transformation, with expanded capabilities, significant feature enhancements, and continued innovation that build on the capabilities evaluated here.

See the ROI uncovered by the Forrester TEI study
Obtain a complimentary copy of The Total Economic Impact™ of Thomson Reuters CoCounsel Legal to build a business case for the potential impact CoCounsel Legal could have on your legal department.

Key findings
Three-year, risk-adjusted present value (PV) quantified benefits for the interviewee's organisation include:

• 222% return on investment over three years with a less-than-six-month payback period
• Increased legal research efficiency delivering approximately $1.5 million in value over three years, as attorneys saved an average of 0.5 to 1.5 hours per day across 26 active users
• Expanded contract review efficiency delivering approximately $571,000 in value over three years, with contract review time reduced by up to 75%
• An 87% adoption rate within the legal department

Forrester does not endorse any company, product, brand, or service included in its research publications and does not advise any person to select the products or services of any company or brand based on the ratings included in such publications. Information is based on the best available resources. Opinions reflect judgment at the time and are subject to change.

This study was conducted using CoCounsel Legal's initial release. The findings reflect the value achieved with the product at that time and provide a benchmark for the continued advancements delivered since.