2Whistle vs CLUE#ZO

Side-by-side facts for 2Whistle and CLUE#ZO, sourced from vendor-published materials. Both platforms market themselves for EU Directive 2019/1937 compliance.

At a glance

2Whistle

Swedish managed whistleblowing channel where 2Secure's own investigators receive and triage each report, with published SEK pricing across employee-band tiers.

Headquarters: Stockholm, Sweden
Pricing: 0-50 employees SEK 1,700/month; 50-250 employees SEK 2,500/month; 250-500 employees SEK 3,750/month; 500+ employees custom 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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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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Full facts, side by side

Full facts, side by side: 2Whistle and CLUE#ZO
Attribute	2Whistle	CLUE#ZO
Headquarters	Stockholm, Sweden	Hamburg, Germany
Founded	2006	Undisclosed
Ownership	Private, 2Secure AB (Swedish org.nr 556695-7543)	Private, CAS Concepts and Solutions AG (Hamburg, Commercial Register HRB 69127)
Pricing	0-50 employees SEK 1,700/month; 50-250 employees SEK 2,500/month; 250-500 employees SEK 3,750/month; 500+ employees custom quote.	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.
Pricing model	Tiered (per employee)	Tiered (per employee)
Procurement model	Enterprise sales only	Mixed
Free trial	No	No
EU data hosting	Not disclosed Encrypted communication and storage (vendor-stated); data-residency country not disclosed on public pages reviewed	EU (named data centre) European data centres (vendor states ISO 27001 certified data centres); built on SAP Business Technology Platform
EU member states referenced	1 of 27	1 of 27
EU reporting languages	Partial	Undisclosed
Total reporting languages	20	Undisclosed
AI on report content	No AI processing of report content	Processes report content with AI / translation
Certifications	None published	None published
National laws referenced	EU Directive 2019/1937 Sweden (Lag 2021:890)	EU Directive 2019/1937 Germany (Hinweisgeberschutzgesetz, 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 2Whistle and CLUE#ZO differ

CLUE#ZO can host report data inside the EU, while 2Whistle does not publish an EU hosting option. 2Whistle references 1 of the 27 EU member states and CLUE#ZO 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 2Whistle 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.

2Whistle vs CLUE#ZO: common questions

Does 2Whistle or CLUE#ZO host whistleblower data in the EU?

CLUE#ZO can host report data inside the EU, while 2Whistle does not publish an EU hosting option.

How many EU member states do 2Whistle and CLUE#ZO cover?

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

Is 2Whistle or CLUE#ZO ISO 27001 certified?

Neither lists an ISO 27001 certification.

How do 2Whistle and CLUE#ZO pricing and sign-up compare?

2Whistle is priced at 0-50 employees SEK 1,700/month; 50-250 employees SEK 2,500/month; 250-500 employees SEK 3,750/month; 500+ employees custom quote.. 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.. Both route buyers through a demo or sales process rather than self-serve sign-up.

Do 2Whistle or CLUE#ZO use AI on whistleblower reports?

CLUE#ZO processes report content with AI, while 2Whistle does not.

Another option in this directory

2Whistle and CLUE#ZO 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.

See all alternatives to 2Whistle → See all alternatives to CLUE#ZO → Compare all platforms