---
description: Side-by-side comparison of KEY ESG vs Zei. Learn more about each of the product's price, features, and see the most comprehensive reviews for UK business users.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: KEY ESG vs Zei Comparison - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Sustainability Software](/directory/31216/sustainability/software) > [KEY ESG \<span\>vs\</span\> Zei](https://www.capterra.co.uk/compare/1037238/1073143/key-esg/vs/Zei)

# Compare KEY ESG vs Zei

Canonical: https://www.capterra.co.uk/compare/1037238/1073143/key-esg/vs/Zei

> Detailed comparison between KEY ESG and Zei. Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | KEY ESG | Zei |
| **Overall rating** | 4.9/5 | 4.6/5 |
| **Total Reviews** | 27 | 35 |
| **Starting Price** | - | €2,990.00 |
| **Free Trial** | No | Yes |
| **Free Version** | No | No |
| **Deployment** | Cloud, SaaS, Web-based | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Linux (Desktop), Chromebook (Desktop) |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, 24/7 (Live rep), Chat | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, Chat |
| **Training** | Live Online, Webinars, Documentation, Videos | Live Online, Webinars, Documentation, Videos |

## Best for

### KEY ESG

KEY ESG software tailors to the sustainability reporting needs of businesses across a range of sectors, no matter their size or level of ESG maturity.

### Zei

Companies aiming to move beyond ESG compliance by centralizing sustainability data, managing impacts, and driving measurable environmental and social progress.

## Key features

### KEY ESG

- AI/Machine Learning
- Access Controls/Permissions
- Audit Management
- Audit Trail
- Benchmarking
- Data Management
- Disclosure Management
- Document Management
- Emissions Management
- Environmental Metrics
- Framework Management
- Multi-Channel Data Collection
- Multi-Location
- Performance Metrics
- Policy Management
- Reporting/Analytics
- Stakeholder Engagement
- Sustainability Management
- Task Management
- Workflow Management

### Zei

- AI/Machine Learning
- Access Controls/Permissions
- Audit Management
- Audit Trail
- Benchmarking
- Data Management
- Disclosure Management
- Document Management
- Emissions Management
- Environmental Metrics
- Framework Management
- Multi-Channel Data Collection
- Multi-Location
- Performance Metrics
- Policy Management
- Reporting/Analytics
- Stakeholder Engagement
- Sustainability Management
- Task Management
- Workflow Management

## Links

- [View KEY ESG Profile](https://www.capterra.co.uk/software/1037238/key-esg)
- [View Zei Profile](https://www.capterra.co.uk/software/1073143/Zei)
- [View Original Comparison](https://www.capterra.co.uk/compare/1037238/1073143/key-esg/vs/Zei)

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