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Disclaimer: Star Stack provides information about European technology services for educational purposes only. Service listings, sovereignty assessments, and recommendations do not constitute legal, financial, or professional advice. We encourage you to verify all information independently and consult appropriate professionals before making technology decisions. Star Stack is not affiliated with any listed services unless explicitly stated.

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Concrete CMS | Star Stack

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Concrete CMS

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Concrete CMS

Name: Concrete CMS
Author: Star Stack

Open-source CMS for teams to build and edit websites

Visit Website GitHub 852

About

Concrete CMS is an open-source content management system that allows teams to build and publish websites with built-in editing tools. It supports complex workflows, granular permissions, and compliance requirements for organizations like the U.S. Army.

Resources

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Sovereignty Score

Recorded assessment version: jurisdiction-ownership-2026-10-04

out of 100

Data completeness50% (Partial)

Jurisdictional(56%)

Significant foreign legal exposure risk

Jurisdiction: United States (EU adequacy decision)
No foreign parent provider
Five Eyes intelligence alliance exposure
US CLOUD Act applies (US can compel data access regardless of storage location)

Ownership(44%)

Strong EU ownership and control

Bootstrapped (self-funded)
Bootstrapped stage
Low acquisition risk (bootstrapped, no investor pressure) (No VC exit timeline, founders retain full control)

More dimensions coming soon

GovernanceComing soon

PortabilityComing soon

LicenseComing soon

CommunityComing soon

How missing data affects scores Submit data corrections

Provider

PortlandLabs, Inc.

Quick Facts

Legal jurisdiction: United States
Headquarters: United States
Ownership: Bootstrapped
Deployment: Self-host, SaaS

Evidence and freshness

Verification date unknown. This assessment needs review.

A score is an assessment of recorded facts. Missing evidence and unresolved ownership can affect the result.

hqCountry: other
Retrieved 30/01/2026, confidence 92%.
Read evidence excerpt
PortlandLabs, Inc. in Portland, OR - 1125 SE Division Portland, Portland, OR 97214
hqCountry: other
Retrieved 30/01/2026, confidence 92%.
Read evidence excerpt
PortlandLabs, Inc. in Portland, OR - 1125 SE Division Portland, Portland, OR 97214