Double Voice vs Zateo

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

At a glance

Double Voice

Portuguese whistleblowing channel from Momentapproach Unipessoal, Lda. (Double Shore), built around Portugal's Lei 93/2021 with published annual pricing from EUR 500/year.

Headquarters: Caldas da Rainha, Portugal
Pricing: Starter EUR 500/year (up to 100 employees); Growth EUR 650/year (up to 250); Business EUR 900/year (up to 500); Enterprise EUR 1,200/year (up to 1,000); Corporate EUR 1,900/year (1,000+). Prices exclude 23% VAT.
EU data hosting: Not disclosed
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: Double Voice and Zateo
Attribute	Double Voice	Zateo
Headquarters	Caldas da Rainha, Portugal	Wietzen, Germany
Ownership	Private, Momentapproach Unipessoal, Lda., trading as Double Shore (Caldas da Rainha, Portugal)	Private - Selfox UG (haftungsbeschränkt), Wietzen, Germany (Amtsgericht Walsrode HRB 207827)
Pricing	Starter EUR 500/year (up to 100 employees); Growth EUR 650/year (up to 250); Business EUR 900/year (up to 500); Enterprise EUR 1,200/year (up to 1,000); Corporate EUR 1,900/year (1,000+). Prices exclude 23% VAT.	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	Tiered (per employee)	Tiered (per employee)
Procurement model	Demo required	Self-serve sign-up
Free trial	No	✓ Yes
EU data hosting	Not disclosed	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	Undisclosed	Undisclosed
Total reporting languages	Undisclosed	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 Double Voice and Zateo differ

Zateo can host report data inside the EU, while Double Voice does not publish an EU hosting option. Double Voice 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 Double Voice 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.

Double Voice vs Zateo: common questions

Does Double Voice or Zateo host whistleblower data in the EU?

Zateo can host report data inside the EU, while Double Voice does not publish an EU hosting option.

How many EU member states do Double Voice and Zateo cover?

Double Voice references 1 of the 27 EU member states and Zateo references 1.

Is Double Voice or Zateo ISO 27001 certified?

Neither lists an ISO 27001 certification.

How do Double Voice and Zateo pricing and sign-up compare?

Double Voice is priced at Starter EUR 500/year (up to 100 employees); Growth EUR 650/year (up to 250); Business EUR 900/year (up to 500); Enterprise EUR 1,200/year (up to 1,000); Corporate EUR 1,900/year (1,000+). Prices exclude 23% VAT.. 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 Double Voice routes buyers through a demo or sales process.

Do Double Voice or Zateo use AI on whistleblower reports?

Neither processes report content with AI.

Another option in this directory

Double Voice 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.

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