CLUE#ZO vs WhistlePort

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

At a glance

CLUE#ZO

German digital whistleblowing system from CAS Concepts and Solutions AG, delivered on SAP Business Technology Platform with integration to SAP S/4HANA and chatbot-guided report intake.

Headquarters: Hamburg, Germany
Pricing: Basic EUR 99/month (12 reports/year, 3 users); Standard EUR 299/month (50 reports/year, 6 users); Enterprise EUR 1,499/month (unlimited reports, 15 users). Prices are ex-VAT.
EU data hosting: EU (named data centre)
EU member states referenced: 1 of 27
Certifications: None published
AI on report content: Processes report content with AI / translation

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WhistlePort

German whistleblowing channel operated by the law firm VON RUEDEN, with a self-serve platform tier from EUR 69/month and an optional attorney-run case-handling service.

Headquarters: Berlin, Germany
Pricing: Paket 1 (platform) EUR 69/month; Paket 2 (platform + employee training) EUR 69/month plus a one-time EUR 499 setup fee; Paket 3 (full-service) EUR 69/month plus EUR 79/month for attorney-run case handling. All prices plus 19% VAT.
EU data hosting: EU (named data centre)
EU member states referenced: 1 of 27
Certifications: ISO 27001
AI on report content: No AI processing of report content

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Full facts, side by side

Full facts, side by side: CLUE#ZO and WhistlePort
Attribute	CLUE#ZO	WhistlePort
Headquarters	Hamburg, Germany	Berlin, Germany
Ownership	Private, CAS Concepts and Solutions AG (Hamburg, Commercial Register HRB 69127)	Law firm (VON RUEDEN Partnerschaft von Rechtsanwälten, Berlin, Germany; USt-IdNr DE-279218916; Amtsgericht Charlottenburg PR 732)
Pricing	Basic EUR 99/month (12 reports/year, 3 users); Standard EUR 299/month (50 reports/year, 6 users); Enterprise EUR 1,499/month (unlimited reports, 15 users). Prices are ex-VAT.	Paket 1 (platform) EUR 69/month; Paket 2 (platform + employee training) EUR 69/month plus a one-time EUR 499 setup fee; Paket 3 (full-service) EUR 69/month plus EUR 79/month for attorney-run case handling. All prices plus 19% VAT.
Pricing model	Tiered (per employee)	Tiered (per employee)
Procurement model	Mixed	Mixed
Free trial	No	✓ Yes
EU data hosting	EU (named data centre) European data centres (vendor states ISO 27001 certified data centres); built on SAP Business Technology Platform	EU (named data centre) German data centre in Nuremberg, stated as ISO/IEC 27001:2013 certified (certification held by the data-centre operator, not the vendor)
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	None published	ISO/IEC 27001:2013 (data-centre operator only; vendor not certified)
National laws referenced	EU Directive 2019/1937 Germany (Hinweisgeberschutzgesetz, HinSchG)	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 CLUE#ZO and WhistlePort differ

Both CLUE#ZO and WhistlePort can host whistleblower report data inside the EU. CLUE#ZO references 1 of the 27 EU member states and WhistlePort references 1. WhistlePort lists ISO 27001 certification; CLUE#ZO does not. Both route buyers through a demo or sales process rather than self-serve sign-up. CLUE#ZO processes report content with AI, while WhistlePort 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.

CLUE#ZO vs WhistlePort: common questions

Does CLUE#ZO or WhistlePort host whistleblower data in the EU?

Both CLUE#ZO and WhistlePort can host whistleblower report data inside the EU.

How many EU member states do CLUE#ZO and WhistlePort cover?

CLUE#ZO references 1 of the 27 EU member states and WhistlePort references 1.

Is CLUE#ZO or WhistlePort ISO 27001 certified?

WhistlePort lists ISO 27001 certification; CLUE#ZO does not.

How do CLUE#ZO and WhistlePort pricing and sign-up compare?

CLUE#ZO is priced at Basic EUR 99/month (12 reports/year, 3 users); Standard EUR 299/month (50 reports/year, 6 users); Enterprise EUR 1,499/month (unlimited reports, 15 users). Prices are ex-VAT.. WhistlePort is priced at Paket 1 (platform) EUR 69/month; Paket 2 (platform + employee training) EUR 69/month plus a one-time EUR 499 setup fee; Paket 3 (full-service) EUR 69/month plus EUR 79/month for attorney-run case handling. All prices plus 19% VAT.. Both route buyers through a demo or sales process rather than self-serve sign-up.

Do CLUE#ZO or WhistlePort use AI on whistleblower reports?

CLUE#ZO processes report content with AI, while WhistlePort does not.

Another option in this directory

CLUE#ZO and WhistlePort 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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