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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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Piano | Star Stack

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Piano

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Piano

Name: Piano
Author: Star Stack

Digital revenue optimization platform for subscription and analytics

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About

Piano manages subscription commerce, customer data segmentation, and analytics for digital-first businesses. It helps media, transportation, and financial services companies unify user data to drive revenue growth.

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 completeness64% (Partial)

Jurisdictional(56%)

Significant foreign legal exposure risk

Jurisdiction: United States (EU adequacy decision)
Parent provider in United States (CLOUD Act risk) (Updata Partners)
Five Eyes intelligence alliance exposure
US CLOUD Act applies (US can compel data access regardless of storage location)

Ownership(44%)

Significant foreign ownership or control risk

Non-EU controlled (>50% non-EU)
Series C+ (late stage)
Acquisition risk unknown (assumed high) (Submit verified data to improve this score)

More dimensions coming soon

GovernanceComing soon

PortabilityComing soon

LicenseComing soon

CommunityComing soon

How missing data affects scores Submit data corrections

Provider

Piano Software, Inc.

Quick Facts

Legal jurisdiction: United States
Headquarters: Netherlands, EU
Ownership: Non-EU Controlled
Deployment: 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 95%.
Read evidence excerpt
Piano Software Relocates Global Headquarters to Amsterdam to Reflect Steadfast Commitment to European Data Protection
hqCountry: other
Retrieved 30/01/2026, confidence 95%.
Read evidence excerpt
Piano Software Relocates Global Headquarters to Amsterdam to Reflect Steadfast Commitment to European Data Protection
Ownership: other
Statement 12/02/2026, confidence 90%.
Read evidence notes
From enrichment pipeline 2026-02-06_03-32-59_c6_v20-validation