CLUE#ZO vs Whisly

Side-by-side facts for CLUE#ZO and Whisly, 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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Whisly

Hungarian whistleblower platform aligned to Act XXV of 2023. Regional presence in Slovakia via a dedicated domain.

Headquarters: Hungary
Pricing: Hungary pricing: 0-50 employees HUF 19,000/month, 50-500 HUF 29,000/month, 500-1000 HUF 39,000/month, 1000+ custom. Slovakia pricing: 0-50 employees €49/month, 50-500 €79/month, 500-1000 €119/month, 1000+ custom.
EU data hosting: Not disclosed
EU member states referenced: 2 of 27
Certifications: None published
AI on report content: Undisclosed

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Full facts, side by side

Full facts, side by side: CLUE#ZO and Whisly
Attribute	CLUE#ZO	Whisly
Headquarters	Hamburg, Germany	Hungary
Ownership	Private, CAS Concepts and Solutions AG (Hamburg, Commercial Register HRB 69127)	Whisly Kft.
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.	Hungary pricing: 0-50 employees HUF 19,000/month, 50-500 HUF 29,000/month, 500-1000 HUF 39,000/month, 1000+ custom. Slovakia pricing: 0-50 employees €49/month, 50-500 €79/month, 500-1000 €119/month, 1000+ custom.
Pricing model	Tiered (per employee)	Flat published rate
Procurement model	Mixed	Demo required
Free trial	No	No
EU data hosting	EU (named data centre) European data centres (vendor states ISO 27001 certified data centres); built on SAP Business Technology Platform	Not disclosed
EU member states referenced	1 of 27	2 of 27
EU reporting languages	Undisclosed	3 of 24
Total reporting languages	Undisclosed	5
AI on report content	Processes report content with AI / translation	Undisclosed
Certifications	None published	None published
National laws referenced	EU Directive 2019/1937 Germany (Hinweisgeberschutzgesetz, HinSchG)	Hungary (2023. évi XXV. törvény) Slovakia (Zákon č. 54/2019, as amended) EU Directive 2019/1937
Anonymous reporting	✓	✓
Case management	✓	✓
Multi-channel intake	—	—
Public API	—	—
GDPR (vendor claim)	✓	✓
EU Directive 2019/1937 (vendor claim)	✓	✓
Last verified	19 July 2026	24 May 2026

How CLUE#ZO and Whisly differ

CLUE#ZO can host report data inside the EU, while Whisly does not publish an EU hosting option. CLUE#ZO references 1 of the 27 EU member states and Whisly references 2. Neither lists an ISO 27001 certification. Both route buyers through a demo or sales process rather than self-serve sign-up. Both process report content with AI or automated translation. 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 Whisly: common questions

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

CLUE#ZO can host report data inside the EU, while Whisly does not publish an EU hosting option.

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

CLUE#ZO references 1 of the 27 EU member states and Whisly references 2.

Is CLUE#ZO or Whisly ISO 27001 certified?

Neither lists an ISO 27001 certification.

How do CLUE#ZO and Whisly 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.. Whisly is priced at Hungary pricing: 0-50 employees HUF 19,000/month, 50-500 HUF 29,000/month, 500-1000 HUF 39,000/month, 1000+ custom. Slovakia pricing: 0-50 employees €49/month, 50-500 €79/month, 500-1000 €119/month, 1000+ custom.. Both route buyers through a demo or sales process rather than self-serve sign-up.

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

Both process report content with AI or automated translation.

Another option in this directory

CLUE#ZO and Whisly 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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