Non-EU vendorESG & SustainabilityHeadquarters: GB

SustainIQ: sovereignty score and 8 European alternatives

SustainIQ is ESG reporting software that lets organisations capture and track social, economic and environmental indicators. According to a marketplace profile, users can measure and report on more than 300 metrics on a single dashboard, with support for frameworks such as CSRD, ISSB/IFRS, the GHG Protocol and LEED. The product is delivered as cloud-based SaaS. Customers include construction and infrastructure firms such as Belfast Harbour, Gilbert Ash and Heron Bros, which use the software to capture data and support sustainability decisions.

SustainIQ is headquartered in Belfast, Northern Ireland, United Kingdom, and was founded in 2018 by Maria Diffley and Liam McEvoy. The United Kingdom is outside the EU, so the company is a non-EU vendor. The software is not open source. Public information does not name a hosting location for customer data, so agree it contractually, together with any transfer of personal data to the United Kingdom.

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Sovereignty score

42 / 1000 = high exposure
100 = sovereign

Jurisdiction SOV-250
Headquartered outside the EU (GB)
Data residency SOV-350
Hosting inside and outside Europe (EU, OTHER)
Cryptographic key sovereignty SOV-340
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-630
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

Headquarters	GB (OTHER)Verified by hand
EU adequacy decision	Yes — found adequate by the European CommissionVerified by hand
Sovereignty model	Vendor-hosted (non-EU)Verified by hand
Data hosting	EU, OTHERVerified by hand
Open-source	NoVerified by hand
GDPR-compliant	YesVendor-stated
Category	ESG & Sustainability
Type	Product
Website	sustainiq.com ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to SustainIQ

The European alternatives to SustainIQ come from our knowledge base of over 7,800 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

53 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 SustainIQ

SustainIQ is headquartered in GB, outside the EU. Contracts and data therefore also fall under non-European law. The GDPR applies through contractual terms, but in a conflict with local legislation you have less certainty than with a European vendor.

SustainIQ hosts data in EU, OTHER. Exactly what stays within the EU — and what does not — is defined by the vendor's data processing agreement and sub-processor list, not by a setting you control yourself; check those documents for the precise scope, including backups, logs and support access.

SustainIQ 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 SustainIQ 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 SustainIQ?

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

Are there open-source alternatives to SustainIQ?

Yes. Open-source EU alternatives to SustainIQ include Brightway. These keep your data fully under your own control and let you self-host if you want to.

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

SustainIQ is headquartered in GB (OTHER) and hosts data in EU, OTHER. The vendor states it is GDPR-compliant, but the data falls under non-EU jurisdiction. 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.

sustainiq.com/

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.

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