Double Voice vs Tissla

Side-by-side facts for Double Voice and Tissla, sourced from vendor-published materials. Both platforms market themselves for EU Directive 2019/1937 compliance.

At a glance

Double Voice

Portuguese whistleblowing channel from Momentapproach Unipessoal, Lda. (Double Shore), built around Portugal's Lei 93/2021 with published annual pricing from EUR 500/year.

Headquarters: Caldas da Rainha, Portugal
Pricing: Starter EUR 500/year (up to 100 employees); Growth EUR 650/year (up to 250); Business EUR 900/year (up to 500); Enterprise EUR 1,200/year (up to 1,000); Corporate EUR 1,900/year (1,000+). Prices exclude 23% VAT.
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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Tissla

Swedish whistleblowing SaaS from Tissla AB with published annual pricing from 8,000 kr and an optional tier where Tissla handles your cases.

Headquarters: Sundbyberg, Sweden
Pricing: Bas from 8,000 kr/year; Premium from 13,900 kr/year; Enterprise from quote. Currently no implementation fee on any tier.
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: Double Voice and Tissla
Attribute	Double Voice	Tissla
Headquarters	Caldas da Rainha, Portugal	Sundbyberg, Sweden
Ownership	Private, Momentapproach Unipessoal, Lda., trading as Double Shore (Caldas da Rainha, Portugal)	Private, Tissla AB (Swedish org. no. 559450-3970)
Pricing	Starter EUR 500/year (up to 100 employees); Growth EUR 650/year (up to 250); Business EUR 900/year (up to 500); Enterprise EUR 1,200/year (up to 1,000); Corporate EUR 1,900/year (1,000+). Prices exclude 23% VAT.	Bas from 8,000 kr/year; Premium from 13,900 kr/year; Enterprise from quote. Currently no implementation fee on any tier.
Pricing model	Tiered (per employee)	Tiered (per employee)
Procurement model	Demo required	Demo required
Free trial	No	No
EU data hosting	Not disclosed	Not disclosed
EU member states referenced	1 of 27	1 of 27
EU reporting languages	Undisclosed	Undisclosed
Total reporting languages	Undisclosed	Undisclosed
AI on report content	No AI processing of report content	No AI processing of report content
Certifications	None published	None published
National laws referenced	EU Directive 2019/1937 Portugal (Lei 93/2021)	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	19 July 2026

How Double Voice and Tissla differ

Neither Double Voice nor Tissla publishes a confirmed EU data-hosting option. Double Voice references 1 of the 27 EU member states and Tissla references 1. Neither lists an ISO 27001 certification. Both route buyers through a demo or sales process rather than self-serve sign-up. Neither processes report content with AI. 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.

Double Voice vs Tissla: common questions

Does Double Voice or Tissla host whistleblower data in the EU?

Neither Double Voice nor Tissla publishes a confirmed EU data-hosting option.

How many EU member states do Double Voice and Tissla cover?

Double Voice references 1 of the 27 EU member states and Tissla references 1.

Is Double Voice or Tissla ISO 27001 certified?

Neither lists an ISO 27001 certification.

How do Double Voice and Tissla pricing and sign-up compare?

Double Voice is priced at Starter EUR 500/year (up to 100 employees); Growth EUR 650/year (up to 250); Business EUR 900/year (up to 500); Enterprise EUR 1,200/year (up to 1,000); Corporate EUR 1,900/year (1,000+). Prices exclude 23% VAT.. Tissla is priced at Bas from 8,000 kr/year; Premium from 13,900 kr/year; Enterprise from quote. Currently no implementation fee on any tier.. Both route buyers through a demo or sales process rather than self-serve sign-up.

Do Double Voice or Tissla use AI on whistleblower reports?

Neither processes report content with AI.

Another option in this directory

Double Voice and Tissla 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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