# KEY ESG vs Zei - 2026 Comparison - Software Advice

> KEY ESG vs Zei - See how these products stack up against each other with real user reviews, product feature comparisons and screenshots. Find out which one is best for your organization.

Source: https://www.softwareadvice.com/compare/420213-key-esg/vs/525320-Zei

---

[Home](https://www.softwareadvice.com/)

/

[Sustainability Software](https://www.softwareadvice.com/cafm/sustainability-comparison/)

/

KEY ESG vs Zei

Software Advice offers objective insights based on verified user reviews and independent product and market research. When our advisors match you to a software provider, we may earn a referral fee.

Updated June 3, 2026

# KEY ESG vs. Zei: 2026 Comparison

Skip hours of research. Get your top 5 matches from an expert in 15 minutes, 100% free.

Free Expert Guidance

Real Human Advice

1M + Businesses Helped

Updated June 3, 2026

# KEY ESG vs. Zei: 2026 Comparison

Skip hours of research. Get your top 5 matches from an expert in 15 minutes, 100% free.

Free Expert Guidance

Real Human Advice

1M + Businesses Helped

Product comparison

Compare up to 3 products side-by-side

+

Add product

[](https://www.softwareadvice.com/environmental/key-esg-profile/)

[KEY ESG](https://www.softwareadvice.com/environmental/key-esg-profile/)

4.9

[(27)](https://www.softwareadvice.com/environmental/key-esg-profile/reviews/)

Starting Price

Not provided by vendor

Free trial

Free version

Pros:

Not enough reviews

Cons:

Not enough reviews

Who uses KEY ESG

Based on 27 reviews

-   Top use case: ESG (96%)

96% of users recommend this product

[](https://www.softwareadvice.com/product/525320-Zei/)

[Zei](https://www.softwareadvice.com/product/525320-Zei/)

4.6

[(38)](https://www.softwareadvice.com/product/525320-Zei/reviews/)

Starting Price

€2990.00per year

Free trial

Free version

Pros:

Not enough reviews

Cons:

Not enough reviews

Who uses Zei

Based on 38 reviews

-   Top use case: Reporting (53%)

89% of users recommend this product

[](https://www.softwareadvice.com/environmental/key-esg-profile/)

KEY ESG

4.9

[(27)](https://www.softwareadvice.com/environmental/key-esg-profile/reviews/)

[](https://www.softwareadvice.com/product/525320-Zei/)

Zei

4.6

[(38)](https://www.softwareadvice.com/product/525320-Zei/reviews/)

+

Add product

Add product

## User satisfaction

* * *

4.9

Based on 27 reviews

Ease of use

4.8

Value for money

4.7

Customer support

4.9

Functionality

4.6

4.6

Based on 38 reviews

Ease of use

4.6

Value for money

4.5

Customer support

4.9

Functionality

4.5

## User interface

* * *

## Key features

Features selected based on 65 reviews from Sustainability

* * *

Disclosure Management

N/A

KPI Monitoring

4.6

Reporting/Analytics

4.6

Sustainability Management

4.9

Disclosure Management

N/A

KPI Monitoring

N/A

Reporting/Analytics

4.6

Sustainability Management

4.5

### Wondering if these products fit your needs?

Skip the manual research. Talk to a real advisor like Lexi to get a 100% free, personalized shortlist in 15 minutes.

LexiAdvisor for 8 years

### Wondering if these products fit your needs?

Skip the manual research. Talk to a real advisor like Lexi to get a 100% free, personalized shortlist in 15 minutes.

LexiAdvisor for 8 years

## Integrations

* * *

[

Microsoft AzureNot enough reviews

](https://www.softwareadvice.com/website-builder/microsoft-azure-profile/)[

Microsoft 365Not enough reviews

](https://www.softwareadvice.com/productivity/microsoft-365-profile/)[

Microsoft Power BINot enough reviews

](https://www.softwareadvice.com/bi/microsoft-power-bi-profile/)

[

JiraNot enough reviews

](https://www.softwareadvice.com/project-management/atlassian-jira-profile/)[

LuccaNot enough reviews

](https://www.softwareadvice.com/hr/lucca-profile/)

## Reviews

* * *

MC

Mackenzie C.Sr ManagerComputer Software, 1001-5000 employees

"The user management and data collection is refreshingly easy to use as both a team administrator and as a front-end user."

Oct 29, 2025

JN

Jennifer N.Associate, Investor and Stakeholder RelationsInvestment Management, 11-50 employees

"The data output is also very clean which allows us to just export and provide to investors (which we greatly appreciate)."

Oct 16, 2025

CD

Clément D.ESG ManagerInvestment Banking, 1001-5000 employees

"Some pros: value for money, reactive customer support, easy to use platform, report generation, referentials mapping, etc."

Dec 30, 2025

AK

Axelle K.RSE QSEConstruction, 51-200 employees

"The customer support is excellent — our coordinator responds quickly and is always available when needed."

Oct 31, 2025

## Customer support

* * *

Email/Help Desk

FAQs/Forum

Knowledge Base

Phone Support

24/7

Chat

Email/Help Desk

FAQs/Forum

Knowledge Base

Phone Support

24/7

Chat

## Training options

* * *

In Person

Live Online

Webinars

Documentation

Videos

In Person

Live Online

Webinars

Documentation

Videos

## Popular Comparisons

* * *

[Greenly vs KEY ESG](https://www.softwareadvice.com/emissions-management/greenly-climate-dashboard-profile/vs/key-esg/)[Greenly vs Zei](https://www.softwareadvice.com/compare/242040-greenly-climate-dashboard/vs/525320-Zei/)