EU Sovereignty Score
Non-EU vendorESG & SustainabilityHeadquarters: US

Persefoni: sovereignty score and 8 European alternatives

Persefoni is a carbon accounting and climate management platform. It measures Scope 1, 2 and 3 footprints using calculation methods aligned with established carbon accounting standards and supports regulatory, investor and stakeholder reporting. According to the vendor, supported frameworks include SBTi, TCFD, CSRD, PCAF and SASB. Further modules cover net-zero target setting, reduction modelling, supplier engagement and financed-emissions analytics for financial institutions, plus an AI copilot. Persefoni describes itself as a SaaS platform.

Persefoni is headquartered in Tempe, Arizona, in the United States, and is a privately held, venture-backed company; a 2023 funding round was led by TPG Rise. It is subject to US jurisdiction, including the CLOUD Act. The website does not state where customer data is hosted. Emissions and supplier data can be commercially sensitive, and CSRD reporting is subject to assurance, so a European organisation should ask for the hosting location and transfer terms in writing before adopting the platform.

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Sovereignty score
17 / 1000 = high exposure
100 = sovereign
  • Jurisdiction SOV-210
    Headquartered in the US: CLOUD Act and FISA 702
  • Data residency SOV-30
    No hosting in Europe (US)
  • Cryptographic key sovereignty SOV-320
    Key management with a non-European vendor
  • Freedom from lock-in SOV-640
    Closed source: switching requires data migration
  • Source & runtime sovereignty SOV-4 · SOV-615
    Closed source, runtime with the vendor

SOV codes: the matching objective in the European Commission's Cloud Sovereignty Framework. Official source

How the score is calculated

Facts and evidence

Last checked October 5, 2026
HeadquartersUS (US)Verified by hand
EU adequacy decisionOnly for companies individually certified under the EU-US Data Privacy FrameworkVerified by hand
Sovereignty modelVendor-hosted (non-EU)Verified by hand
Data hostingUSVerified by hand
Open-sourceNoVerified by hand
GDPR-compliantNoVendor-stated
CategoryESG & Sustainability
TypeProduct
Websitepersefoni.com ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Persefoni

The European alternatives to Persefoni come from our knowledge base of over 6,200 vendors. We only list vendors headquartered in the EU or the EEA; fully European-owned vendors rank before vendors with a foreign owner. For each alternative you see the country, the open-source status and a short description.

Score per alternative: 0 = high exposure, 100 = sovereign

40 European ESG & Sustainability vendors are in the catalogue. View the whole category · Submit an alternative · View category on the map

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Why digital sovereignty matters with Persefoni

Persefoni is headquartered in the United States. US vendors fall under the CLOUD Act and FISA 702: US authorities can compel access to data, even when that data sits in a European data centre. That is the core of the jurisdictional exposure in our model.

Persefoni hosts data outside the EU (US). Personal data therefore leaves the EU, which requires a transfer mechanism under the GDPR and pulls the data residency score down.

Persefoni is closed source and hosted by the vendor. The encryption keys and the runtime sit with the vendor and switching requires data migration. Ask about bring-your-own-key, export options and open standards.

What this means for your organisation depends on your whole stack and context. The free assessment weighs Persefoni together with your other vendors and gives a total score, a heatmap and the main risk drivers.

Frequently asked questions

What is the best European alternative to Persefoni?

It depends on your use case. Strong EU alternatives to Persefoni include bluesign, Carbmee and Carbonfact. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Persefoni?

Our list of EU alternatives to Persefoni is mostly commercial options. Browse the category on the map for open-source choices.

Is Persefoni GDPR-compliant and where is the data hosted?

Persefoni is headquartered in US and hosts data in US. Its GDPR compliance is limited or unclear. For full EU data residency the EU alternatives on this page usually offer more certainty.

Details and sources

Verified by handHeadquarters, owner, hosting locations and licence have been checked by us against public sources. Free of charge and for every vendor, not a paid label. Nothing in this knowledge base is taken over automatically. Last checked on October 5, 2026.

Sources

Public sources used in the latest check of this record.

Compliance evidence

The links below point to the vendor's own public documents. We only record what we found: a missing link means "not found publicly", not "not compliant".

No public compliance evidence has been recorded for this vendor yet. Do you know its DPA or subprocessor list? Something wrong? Suggest a correction

Digital sovereignty in ESG & Sustainability

ESG & Sustainability: Carbon accounting, CSRD reporting, supply-chain due diligence (CSDDD/EUDR/CBAM) and ESG data management. In this category the choice of vendor determines who has legal access to your data, where that data lives and how easily you can switch later.

Also in this category

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8 European alternatives to Persefoni — GDPR-compliant & EU-hosted · EU Sovereignty Score