WhistleSystem vs Zateo

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

At a glance

WhistleSystem

Danish whistleblowing platform with published employee-band pricing from €67/month and a plug-and-play setup pitch.

Headquarters: Albertslund, Denmark
Pricing: Tiered by employee count: €67/mo (0–250), €80/mo (250–500), €93/mo (500–750), from €107/mo (750+), plus a €200 one-time setup fee. Annual billing.
EU data hosting: EU (named data centre)
EU member states referenced: 1 of 27
Certifications: ISO 27001 + 1 more
AI on report content: Processes report content with AI / translation

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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: WhistleSystem and Zateo
Attribute	WhistleSystem	Zateo
Headquarters	Albertslund, Denmark	Wietzen, Germany
Ownership	WhistleSystem ApS (CVR 41576561)	Private - Selfox UG (haftungsbeschränkt), Wietzen, Germany (Amtsgericht Walsrode HRB 207827)
Customers (vendor claim)	500+ users (vendor claim)	Undisclosed
Pricing	Tiered by employee count: €67/mo (0–250), €80/mo (250–500), €93/mo (500–750), from €107/mo (750+), plus a €200 one-time setup fee. Annual billing.	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	✓ Yes	✓ Yes
EU data hosting	EU (named data centre)	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	Processes report content with AI / translation	No AI processing of report content
Certifications	ISO 27001 ISO 27701	None published
National laws referenced	EU Directive 2019/1937	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	5 June 2026	19 July 2026

How WhistleSystem and Zateo differ

Both WhistleSystem and Zateo can host whistleblower report data inside the EU. WhistleSystem references 1 of the 27 EU member states and Zateo references 1. WhistleSystem lists ISO 27001 certification; Zateo does not. Zateo offers self-serve sign-up, whereas WhistleSystem routes buyers through a demo or sales process. WhistleSystem processes report content with AI, while Zateo does not. 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.

WhistleSystem vs Zateo: common questions

Does WhistleSystem or Zateo host whistleblower data in the EU?

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

How many EU member states do WhistleSystem and Zateo cover?

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

Is WhistleSystem or Zateo ISO 27001 certified?

WhistleSystem lists ISO 27001 certification; Zateo does not.

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

WhistleSystem is priced at Tiered by employee count: €67/mo (0–250), €80/mo (250–500), €93/mo (500–750), from €107/mo (750+), plus a €200 one-time setup fee. Annual billing.. 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 WhistleSystem routes buyers through a demo or sales process.

Do WhistleSystem or Zateo use AI on whistleblower reports?

WhistleSystem processes report content with AI, while Zateo does not.

Another option in this directory

WhistleSystem 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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