# Compare KEY ESG vs Zei 2026 | Capterra > Unsure of what to choose? Check Capterra to compare KEY ESG and Zei based on pricing, features, product details, and verified reviews. Source: https://www.capterra.com/compare/275672-10026566/KEY-ESG-vs-Zei --- # KEY ESG vs Zei Features and Cost Comparison Last updated March 13th, 2026 Provider data verified by our Software Research team, and reviews moderated by our Reviews Verification team.[Learn more](https://www.capterra.com/our-story/) Your comparison: KEY ESGZei2/4 selected [KEY ESG](https://www.capterra.com/p/275672/KEY-ESG/)[4.9 (27)](https://www.capterra.com/p/275672/KEY-ESG/reviews/) [Zei](https://www.capterra.com/p/10026566/Zei/)[4.6 (35)](https://www.capterra.com/p/10026566/Zei/#reviews) [## KEY ESG](https://www.capterra.com/p/275672/KEY-ESG/)[4.9 (27)](https://www.capterra.com/p/275672/KEY-ESG/reviews/) Starting Price Contact vendor Value-for-Money 4.7 Functionality 4.6 Ease of Use 4.8 Customer Service 4.9 Reviews Sentiment JN MC CH Based on [27 reviews](#user-reviews) Positive 27 Neutral 0 Negative 0 [## Zei](https://www.capterra.com/p/10026566/Zei/)[4.6 (35)](https://www.capterra.com/p/10026566/Zei/#reviews) Starting Price €2990.00/year Value-for-Money 4.6 Functionality 4.5 Ease of Use 4.6 Customer Service 4.9 Reviews Sentiment PL Based on [35 reviews](#user-reviews) Positive 34 Neutral 1 Negative 0 ## Not a match? 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Best for Companies aiming to move beyond ESG compliance by centralizing sustainability data, managing impacts, and driving measurable environmental and social progress. ## User reviews Pros & cons JN Jennifer N. Associate, Investor and Stakeholder Relations > "The team at KEY ESG has been instrumental in supporting our Firm with our efforts to collect sustainability-related data from our portfolio companies. When we were looking for an ESG data collection platform we were looking for a partner, and we found that with KEY ESG. Although our data..." [See full review](https://www.capterra.com/p/275672/KEY-ESG/#Capterra___7028161) MC Mackenzie C. Sr Manager > "We also found the workflow for signing off on data to generate a report was slightly confusing at first." [See full review](https://www.capterra.com/p/275672/KEY-ESG/#Capterra___7035878) MC Mackenzie C. Sr Manager > "The dashboard is intuitive to use; it allowed an incredibly simple transition from our spreadsheets and data collection into one simple dashboard that anyone on the team can use. As the company begins its new ESG program, we found the Guidance sections on data collection to be very..." [See full review](https://www.capterra.com/p/275672/KEY-ESG/#Capterra___7035878) JN Julia N. ESG Lead > "InvestEurope not being integrated as one of the standard frameworks." [See full review](https://www.capterra.com/p/275672/KEY-ESG/#Capterra___7024976) [View Reviews](https://www.capterra.com/p/275672/KEY-ESG/reviews/) Not enough reviews ## User interface [KEY ESG](https://www.capterra.com/p/275672/KEY-ESG/) 4.85 (27) [Zei](https://www.capterra.com/p/10026566/Zei/) 4.60 (35) ### Features KEY ESG Top features 28/34 - AI Copilot - AI/Machine Learning - Assessment Management - Auditing - Benchmarking - Compliance Management - Compliance Tracking - Conflict Minerals Management - Customizable Dashboard - Customizable Reports - Data Management - Disclosure Management - Document Management - Emission Calculations - Emissions Management - Environmental Metrics - Framework Management - Generative AI - Initiative Management - Internal Controls Management - KPI Monitoring - Multi-Channel Data Collection - Performance Metrics - Policy Management - Process/Workflow Automation - Program Management - Progress Tracking - Reporting/Analytics - Risk Management - Scenario Planning - Scoring - Survey/Poll Management - Sustainability Management - Task Management [See all features](https://www.capterra.com/p/275672/KEY-ESG/#features) Zei 24/34 - AI Copilot - AI/Machine Learning - Assessment Management - Auditing - Benchmarking - Compliance Management - Compliance Tracking - Conflict Minerals Management - Customizable Dashboard - Customizable Reports - Data Management - Disclosure Management - Document Management - Emission Calculations - Emissions Management - Environmental Metrics - Framework Management - Generative AI - Initiative Management - Internal Controls Management - KPI Monitoring - Multi-Channel Data Collection - Performance Metrics - Policy Management - Process/Workflow Automation - Program Management - Progress Tracking - Reporting/Analytics - Risk Management - Scenario Planning - Scoring - Survey/Poll Management - Sustainability Management - Task Management [See all features](https://www.capterra.com/p/10026566/Zei/#features) ### Recognition No recognitions have been awarded to KEY ESG No recognitions have been awarded to Zei ### Deployment & support KEY ESG Deployment - Cloud, SaaS, Web-Based - Desktop Mac - Desktop Windows - Desktop Linux - On-Premise Windows - On-Premise Linux - Desktop Chromebook - Mobile Android - Mobile iPhone - Mobile iPad Support - Email/Help Desk - FAQs/Forum - Knowledge Base - Phone Support - 24/7 (Live rep) - Chat Training - In Person - Live Online - Webinars - Documentation - Videos Zei Deployment - Cloud, SaaS, Web-Based - Desktop Mac - Desktop Windows - Desktop Linux - On-Premise Windows - On-Premise Linux - Desktop Chromebook - Mobile Android - Mobile iPhone - Mobile iPad Support - Email/Help Desk - FAQs/Forum - Knowledge Base - Phone Support - 24/7 (Live rep) - Chat Training - In Person - Live Online - Webinars - Documentation - Videos ### Company Details KEY ESG - By KEY ESG - Located in United Kingdom - Founded in Zei - By Zei - Located in France - Founded in