OpenWhistle vs Zateo

Side-by-side facts for OpenWhistle and Zateo, sourced from vendor-published materials. Both platforms market themselves for EU Directive 2019/1937 compliance.

At a glance

OpenWhistle

Portuguese whistleblowing channel with flat per-organisation pricing and unlimited users, published from EUR 17.60/month on annual billing.

Headquarters: Porto, Portugal
Pricing: Single plan: EUR 22/month, or EUR 17.60/month billed annually (EUR 211.20/year, described as 20% saving). VAT added on top. Price is per organisation with unlimited users.
EU data hosting: EU (named data centre)
EU member states referenced: 1 of 27
Certifications: None published
AI on report content: No AI processing of report content

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Zateo

German whistleblowing SaaS from Selfox UG with published tiers from EUR 79/month, anonymous reporting, and Germany-based hosting on an ISO/IEC 27001-certified provider.

Headquarters: Wietzen, Germany
Pricing: Compliance Basic EUR 79/month, Compliance Pro EUR 119/month, Compliance Ultimate from EUR 399/month; all quoted monthly but billed annually, plus German VAT (zzgl. MwSt.).
EU data hosting: EU (named data centre)
EU member states referenced: 1 of 27
Certifications: None published
AI on report content: No AI processing of report content

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Full facts, side by side

Full facts, side by side: OpenWhistle and Zateo
Attribute	OpenWhistle	Zateo
Headquarters	Porto, Portugal	Wietzen, Germany
Ownership	Private, brand of Canelinfinita, Unipessoal Lda (Portugal, NIPC 518494128)	Private - Selfox UG (haftungsbeschränkt), Wietzen, Germany (Amtsgericht Walsrode HRB 207827)
Pricing	Single plan: EUR 22/month, or EUR 17.60/month billed annually (EUR 211.20/year, described as 20% saving). VAT added on top. Price is per organisation with unlimited users.	Compliance Basic EUR 79/month, Compliance Pro EUR 119/month, Compliance Ultimate from EUR 399/month; all quoted monthly but billed annually, plus German VAT (zzgl. MwSt.).
Pricing model	Flat published rate	Tiered (per employee)
Procurement model	Demo required	Self-serve sign-up
Free trial	No	✓ Yes
EU data hosting	EU (named data centre) Vendor states data is stored within the European Union; specific country and provider not named. Privacy policy notes data may be transferred to cloud providers outside the EEA under GDPR safeguards.	EU (named data centre) Germany-based hosting on an ISO/IEC 27001-certified provider (Hetzner, vendor-stated)
EU member states referenced	1 of 27	1 of 27
EU reporting languages	Partial	Undisclosed
Total reporting languages	90	Undisclosed
AI on report content	No AI processing of report content	No AI processing of report content
Certifications	None published	None published
National laws referenced	EU Directive 2019/1937 Portugal (Lei 93/2021)	EU Directive 2019/1937 Germany (HinSchG)
Anonymous reporting	✓	✓
Case management	✓	✓
Multi-channel intake	—	—
Public API	—	—
GDPR (vendor claim)	✓	✓
EU Directive 2019/1937 (vendor claim)	✓	✓
Last verified	19 July 2026	19 July 2026

How OpenWhistle and Zateo differ

Both OpenWhistle and Zateo can host whistleblower report data inside the EU. OpenWhistle references 1 of the 27 EU member states and Zateo references 1. Neither lists an ISO 27001 certification. Zateo offers self-serve sign-up, whereas OpenWhistle routes buyers through a demo or sales process. Neither processes report content with AI. Both market themselves for EU Directive 2019/1937 compliance, so the better fit depends on your priorities around data residency, certification, pricing transparency, and use of AI.

OpenWhistle vs Zateo: common questions

Does OpenWhistle or Zateo host whistleblower data in the EU?

Both OpenWhistle and Zateo can host whistleblower report data inside the EU.

How many EU member states do OpenWhistle and Zateo cover?

OpenWhistle references 1 of the 27 EU member states and Zateo references 1.

Is OpenWhistle or Zateo ISO 27001 certified?

Neither lists an ISO 27001 certification.

How do OpenWhistle and Zateo pricing and sign-up compare?

OpenWhistle is priced at Single plan: EUR 22/month, or EUR 17.60/month billed annually (EUR 211.20/year, described as 20% saving). VAT added on top. Price is per organisation with unlimited users.. Zateo is priced at Compliance Basic EUR 79/month, Compliance Pro EUR 119/month, Compliance Ultimate from EUR 399/month; all quoted monthly but billed annually, plus German VAT (zzgl. MwSt.).. Zateo offers self-serve sign-up, whereas OpenWhistle routes buyers through a demo or sales process.

Do OpenWhistle or Zateo use AI on whistleblower reports?

Neither processes report content with AI.

Another option in this directory

OpenWhistle and Zateo are two of the platforms indexed here. If your shortlist is still open, one more worth comparing — with a different set of tradeoffs:

EthicsPortal

Whistleblower reporting portal hosted on Hetzner in Germany. Flat €60/month plan.

Headquarters: Poland
Pricing: €60/month, or €41.67/month billed annually (€500/year)
EU data hosting: EU (named data centre)
EU member states referenced: All 27
Certifications: ISO 27001
AI on report content: No AI processing of report content

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Compare this tool against other platforms in the directory.

See all alternatives to OpenWhistle → See all alternatives to Zateo → Compare all platforms