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Mattermost vs Element: Unpacking End-to-End Encryption

Discover how US-based Mattermost and UK's Element secure your messages with strong encryption. See which suits your privacy needs best.

Last updated: February 1, 2026•Reviewed by Built in EU Team

Should You Switch to Element?

What You Gain

Gain enhanced privacy and EU data compliance with Element.

Privacy advantage
Trade-offs

Fewer integrations and workflow customization options.

Mattermost has more features
Bottom Line

Switch if privacy is a priority; stay if you need advanced features.

At a Glance

Data Location
🇺🇸US

US data laws

🌍GB

GDPR protected

Pricing

Mattermost

Contact

Element

freemium

Migration
Medium difficulty~1-2 days

Privacy & Compliance Comparison

Critical data sovereignty factors at a glance

CriteriaMattermostElement
Server Location
US (AWS), EU (optional)EU
GDPR Compliance
FullFull
Open Source
E2E Encryption
OptionalAll plans
Data Portability
Full exportFull export

CLOUD Act Notice

Mattermost is a US company and must comply with CLOUD Act data requests, even for data stored in EU data centers. Element is not subject to US jurisdiction.

Switching from
Mattermost logo

Mattermost

🇺🇸

Mattermost

VS
Switching to
Element logo

Element

🌍

Element

US Data Storage

Data subject to US CLOUD Act and may be accessed by US authorities

EU Data Protection

Data protected under GDPR with EU-only data residency

Certifications & Compliance

No certifications listed

Open Source
Self-Hostable
ISO 27001
EU-hosted
GDPR Compliant

Reasons to Switch

  • âś“Element uses the Matrix protocol for broader interoperability.
  • âś“End-to-end encryption is enabled by default on all Element plans.
  • âś“Element supports group chats with up to 1000 members, larger than Mattermost.
  • âś“Element's open-source nature allows for community-driven improvements.

Things to Consider

  • !Migration from Mattermost may require significant data transfer effort.
  • !Element's user interface may have a steeper learning curve for new users.
  • !Some integrations available in Mattermost may not yet exist in Element.
Migration difficulty:
Medium
~1-2 days

Migration Overview

Full guide
Difficulty
Medium
Time Estimate
~1-2 days

Depends on data size and complexity

Quick Steps

1

Create Element account and configure settings

2

Export and prepare data from Mattermost

3

Import data, test integrations, and migrate users

Note: Element offers a similar platform with strong privacy features and self-hosting capabilities, making it a robust alternative to Mattermost.

Other alternatives to Mattermost

Ready to make the switch?

Start using Element today and take control of your data privacy.