CLUE#ZO vs Confidential Reporting System

Side-by-side facts for CLUE#ZO and Confidential Reporting System, 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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Confidential Reporting System

Bulgarian whistleblowing platform built with Transparency International Bulgaria and Happy Company, with public BGN pricing, live login and registration, and explicit local-law positioning.

Headquarters: Sofia, Bulgaria
Pricing: Public monthly pricing: BGN 295/month for 50-149 employees, BGN 395/month for 150-249, BGN 595/month for 250-499, BGN 995/month for 500+; under 50 employees by quote.
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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Full facts, side by side

Full facts, side by side: CLUE#ZO and Confidential Reporting System
Attribute	CLUE#ZO	Confidential Reporting System
Headquarters	Hamburg, Germany	Sofia, Bulgaria
Ownership	Private, CAS Concepts and Solutions AG (Hamburg, Commercial Register HRB 69127)	"CONFIDENTIAL REPORTING SYSTEM" Ltd.; public site says the product was created by Transparency International Bulgaria and Happy Company Ltd
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.	Public monthly pricing: BGN 295/month for 50-149 employees, BGN 395/month for 150-249, BGN 595/month for 250-499, BGN 995/month for 500+; under 50 employees by quote.
Pricing model	Tiered (per employee)	Tiered (per employee)
Procurement model	Mixed	Enterprise sales only
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 Hosting country not disclosed. Public footer says the platform is hosted according to PCI DSS, ISO 27001:2013, and ISO 9001:2015 standards.
EU member states referenced	1 of 27	1 of 27
EU reporting languages	Undisclosed	2 of 24
Total reporting languages	Undisclosed	2
AI on report content	Processes report content with AI / translation	No AI processing of report content
Certifications	None published	None published
National laws referenced	EU Directive 2019/1937 Germany (Hinweisgeberschutzgesetz, HinSchG)	Bulgaria (Law on the Protection of Persons Reporting or Publicly Disclosing Information on Breaches, in force 4 May 2023) 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 Confidential Reporting System differ

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

Does CLUE#ZO or Confidential Reporting System host whistleblower data in the EU?

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

How many EU member states do CLUE#ZO and Confidential Reporting System cover?

CLUE#ZO references 1 of the 27 EU member states and Confidential Reporting System references 1.

Is CLUE#ZO or Confidential Reporting System ISO 27001 certified?

Neither lists an ISO 27001 certification.

How do CLUE#ZO and Confidential Reporting System 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.. Confidential Reporting System is priced at Public monthly pricing: BGN 295/month for 50-149 employees, BGN 395/month for 150-249, BGN 595/month for 250-499, BGN 995/month for 500+; under 50 employees by quote.. Both route buyers through a demo or sales process rather than self-serve sign-up.

Do CLUE#ZO or Confidential Reporting System use AI on whistleblower reports?

CLUE#ZO processes report content with AI, while Confidential Reporting System does not.

Another option in this directory

CLUE#ZO and Confidential Reporting System 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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