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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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Knock | Star Stack

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Knock

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Knock

Name: Knock
Author: Star Stack

Customer engagement infrastructure for product-led teams

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About

Knock is a developer-first platform for sending cross-channel messages like email, SMS, push, and in-app notifications. It allows teams to build workflows, manage user preferences, and integrate with data warehouses without building custom infrastructure.

Resources

No migration guide is currently listed for this service.

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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

Knock Labs, Inc.

Quick Facts

Legal jurisdiction: United States
Headquarters: United States
Ownership: Bootstrapped

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 90%.
Read evidence excerpt
Real estate property management software giant RealPage to acquire Seattle startup Knock
hqCountry: other
Retrieved 30/01/2026, confidence 90%.
Read evidence excerpt
Real estate property management software giant RealPage to acquire Seattle startup Knock
hqCountry: other
Retrieved 30/01/2026, confidence 90%.
Read evidence excerpt
Real estate property management software giant RealPage to acquire Seattle startup Knock