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EU Whistleblower Directory

CLUE#ZO vs Visslan

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

At a glance

CLUE#ZO logo

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
Visslan logo

Visslan

Swedish whistleblower platform, acquired by Whistlelink in June 2025. Public annual pricing from SEK 6,000 / €600.

Headquarters
Sweden
Pricing
Banded by employee count: SEK 6,000/year (<50), SEK 8,000/year (50–249), SEK 11,000/year (250–499), SEK 15,000/year (500–999), quote for 1,000+. English page shows €600 / €800 / €1,100 / €1,500 equivalents. No startup fees or binding period.
EU data hosting
EU (named data centre)
EU member states referenced
1 of 27
Certifications
ISO 27001
AI on report content
Undisclosed

Full facts, side by side

Full facts, side by side: CLUE#ZO and Visslan
AttributeCLUE#ZOVisslan
HeadquartersHamburg, GermanySweden
OwnershipPrivate, CAS Concepts and Solutions AG (Hamburg, Commercial Register HRB 69127)The Whistle Compliance Solutions AB (559327-2999); acquired by Whistlelink in June 2025
PricingBasic 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.Banded by employee count: SEK 6,000/year (<50), SEK 8,000/year (50–249), SEK 11,000/year (250–499), SEK 15,000/year (500–999), quote for 1,000+. English page shows €600 / €800 / €1,100 / €1,500 equivalents. No startup fees or binding period.
Pricing modelTiered (per employee)Tiered (per employee)
Procurement modelMixedMixed
Free trialNo✓ Yes
EU data hostingEU (named data centre)
European data centres (vendor states ISO 27001 certified data centres); built on SAP Business Technology Platform
EU (named data centre)
EU member states referenced1 of 271 of 27
EU reporting languagesUndisclosedPartial
Total reporting languagesUndisclosed5
AI on report contentProcesses report content with AI / translationUndisclosed
CertificationsNone published
  • ISO 27001-certified hosting (vendor-stated)
National laws referenced
  • EU Directive 2019/1937
  • Germany (Hinweisgeberschutzgesetz, HinSchG)
  • Sweden (Lag 2021:890, visselblåsarlagen)
  • EU Directive 2019/1937
Anonymous reporting
Case management
Multi-channel intake
Public API
GDPR (vendor claim)
EU Directive 2019/1937 (vendor claim)
Last verified

How CLUE#ZO and Visslan differ

Both CLUE#ZO and Visslan can host whistleblower report data inside the EU. CLUE#ZO references 1 of the 27 EU member states and Visslan references 1. Visslan lists ISO 27001 certification; CLUE#ZO does not. 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 Visslan: common questions

Does CLUE#ZO or Visslan host whistleblower data in the EU?
Both CLUE#ZO and Visslan can host whistleblower report data inside the EU.
How many EU member states do CLUE#ZO and Visslan cover?
CLUE#ZO references 1 of the 27 EU member states and Visslan references 1.
Is CLUE#ZO or Visslan ISO 27001 certified?
Visslan lists ISO 27001 certification; CLUE#ZO does not.
How do CLUE#ZO and Visslan 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.. Visslan is priced at Banded by employee count: SEK 6,000/year (<50), SEK 8,000/year (50–249), SEK 11,000/year (250–499), SEK 15,000/year (500–999), quote for 1,000+. English page shows €600 / €800 / €1,100 / €1,500 equivalents. No startup fees or binding period.. Both route buyers through a demo or sales process rather than self-serve sign-up.
Do CLUE#ZO or Visslan use AI on whistleblower reports?
Both process report content with AI or automated translation.

Another option in this directory

CLUE#ZO and Visslan are two of the platforms indexed here. If your shortlist is still open, one more worth comparing — with a different set of tradeoffs:

EthicsPortal logo

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

Compare this tool against other platforms in the directory.

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