HappyScribe

European AI transcription and subtitling platform with EU data hosting

Lumo (Proton)

Privacy-first AI assistant from the makers of ProtonMail, with Swiss jurisdiction and zero-access encryption

HappyScribe

Strong

18/25

Lumo (Proton)

Excellent

23/25

Score Breakdown

DimensionHappyScribeLumo (Proton)

Data Residency

Where is your data stored and processed?

HappyScribe: EU GDPR-compliant data hosting. Irish incorporation ensures EU jurisdiction. Audio and transcript data stays within EU infrastructure.

Lumo (Proton): Data hosted in Proton's own data centres in Germany and Norway. Zero-access encryption means even Proton cannot read conversation content. No US infrastructure dependency.

4/5

EU GDPR-compliant data hosting. Irish incorporation ensures EU jurisdiction. Audio and transcript data stays within EU infrastructure.

5/5

Data hosted in Proton's own data centres in Germany and Norway. Zero-access encryption means even Proton cannot read conversation content. No US infrastructure dependency.

Legal Jurisdiction

Which laws govern the company and your data?

HappyScribe: Irish Limited company under EU law. Full GDPR coverage. Ireland is an EU member state with strong data protection framework under the DPC.

Lumo (Proton): Swiss incorporation provides one of the strongest privacy jurisdictions globally. Outside US CLOUD Act reach. Swiss FADP and GDPR adequacy. Proton has a decade-long track record of defending user privacy.

4/5

Irish Limited company under EU law. Full GDPR coverage. Ireland is an EU member state with strong data protection framework under the DPC.

5/5

Swiss incorporation provides one of the strongest privacy jurisdictions globally. Outside US CLOUD Act reach. Swiss FADP and GDPR adequacy. Proton has a decade-long track record of defending user privacy.

Data Retention & Training

Is your data used for model training?

HappyScribe: Training data practices not explicitly disclosed. SOC 2 Type II suggests formal data handling procedures. Audio data handling policies should be reviewed for sensitive content.

Lumo (Proton): Zero-access encryption on conversations. User data explicitly never used for model training. Open-source code enables independent verification of privacy claims.

3/5

Training data practices not explicitly disclosed. SOC 2 Type II suggests formal data handling procedures. Audio data handling policies should be reviewed for sensitive content.

5/5

Zero-access encryption on conversations. User data explicitly never used for model training. Open-source code enables independent verification of privacy claims.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

HappyScribe: SOC 2 Type II certified—strong for a transcription service. Demonstrates formal security controls and independent audit. ISO 27001 would further strengthen the posture.

Lumo (Proton): ISO 27001 and SOC 2 at Proton AG organisational level. Strong for a consumer-facing privacy product. ISO 27701 would further strengthen the posture.

4/5

SOC 2 Type II certified—strong for a transcription service. Demonstrates formal security controls and independent audit. ISO 27001 would further strengthen the posture.

4/5

ISO 27001 and SOC 2 at Proton AG organisational level. Strong for a consumer-facing privacy product. ISO 27701 would further strengthen the posture.

Regulatory Fit

Suitability for regulated industries and professional services

HappyScribe: Good for general business use. SOC 2 and EU hosting support enterprise requirements. Not specifically designed for highly regulated industries but suitable for general compliance needs.

Lumo (Proton): Excellent fit for privacy-sensitive professionals in legal and financial services. Swiss jurisdiction, zero-access encryption, and no training on user data address key regulatory concerns. Not EU-incorporated but GDPR adequate.

3/5

Good for general business use. SOC 2 and EU hosting support enterprise requirements. Not specifically designed for highly regulated industries but suitable for general compliance needs.

4/5

Excellent fit for privacy-sensitive professionals in legal and financial services. Swiss jurisdiction, zero-access encryption, and no training on user data address key regulatory concerns. Not EU-incorporated but GDPR adequate.

Total Score

18/25

23/25

Best For

HappyScribe

Best for EU-headquartered organisations needing maximum data sovereignty.

Lumo (Proton)

Best for EU-headquartered organisations needing maximum data sovereignty; regulated industries (legal, financial-services); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment; teams on a tight budget.

Detailed Comparison

HappyScribe vs Lumo (Proton): Trust & Compliance Comparison

HappyScribe (HappyScribe, ES) scores 18/25 overall with a Silver (Strong) trust badge. European AI transcription and subtitling platform with EU data hosting. Lumo (Proton) (Proton, CH) scores 23/25 with a Gold (Excellent) trust badge. Privacy-first AI assistant from the makers of ProtonMail, with Swiss jurisdiction and zero-access encryption.

Dimension-by-Dimension Breakdown

#### Data Residency

Lumo (Proton) leads with 5/5 vs 4/5.

●HappyScribe (4/5): EU GDPR-compliant data hosting. Irish incorporation ensures EU jurisdiction. Audio and transcript data stays within EU infrastructure.

●Lumo (Proton) (5/5): Data hosted in Proton's own data centres in Germany and Norway. Zero-access encryption means even Proton cannot read conversation content. No US infrastructure dependency.

#### Legal Jurisdiction

Lumo (Proton) leads with 5/5 vs 4/5.

●HappyScribe (4/5): Irish Limited company under EU law. Full GDPR coverage. Ireland is an EU member state with strong data protection framework under the DPC.

●Lumo (Proton) (5/5): Swiss incorporation provides one of the strongest privacy jurisdictions globally. Outside US CLOUD Act reach. Swiss FADP and GDPR adequacy. Proton has a decade-long track record of defending user privacy.

#### Data Retention & Training

Lumo (Proton) leads with 5/5 vs 3/5.

●HappyScribe (3/5): Training data practices not explicitly disclosed. SOC 2 Type II suggests formal data handling procedures. Audio data handling policies should be reviewed for sensitive content.

●Lumo (Proton) (5/5): Zero-access encryption on conversations. User data explicitly never used for model training. Open-source code enables independent verification of privacy claims.

#### Certifications

Both score equally at 4/5.

●HappyScribe (4/5): SOC 2 Type II certified—strong for a transcription service. Demonstrates formal security controls and independent audit. ISO 27001 would further strengthen the posture.

●Lumo (Proton) (4/5): ISO 27001 and SOC 2 at Proton AG organisational level. Strong for a consumer-facing privacy product. ISO 27701 would further strengthen the posture.

#### Regulatory Fit

Lumo (Proton) leads with 4/5 vs 3/5.

●HappyScribe (3/5): Good for general business use. SOC 2 and EU hosting support enterprise requirements. Not specifically designed for highly regulated industries but suitable for general compliance needs.

●Lumo (Proton) (4/5): Excellent fit for privacy-sensitive professionals in legal and financial services. Swiss jurisdiction, zero-access encryption, and no training on user data address key regulatory concerns. Not EU-incorporated but GDPR adequate.

Certifications at a Glance

Certification	HappyScribe	Lumo (Proton)
ISO 27001	No	Yes
SOC 2	No	Yes
SOC 2 Type II	Yes	No

Overall Verdict

Lumo (Proton) has a clear trust advantage, scoring 23/25 compared to HappyScribe's 18/25. Lumo (Proton) particularly excels in data residency, legal jurisdiction, data retention & training, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, HappyScribe or Lumo (Proton)?

HappyScribe has a TrustKit score of 18/25 while Lumo (Proton) scores 23/25. Lumo (Proton) currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do HappyScribe and Lumo (Proton) compare on data residency?

HappyScribe scores 4/5 for data residency (EU GDPR-compliant data hosting. Irish incorporation ensures EU jurisdiction. Audio and transcript data stays within EU infrastructure.), while Lumo (Proton) scores 5/5 (Data hosted in Proton's own data centres in Germany and Norway. Zero-access encryption means even Proton cannot read conversation content. No US infrastructure dependency.).

Are HappyScribe and Lumo (Proton) GDPR compliant?

Both tools are assessed across five compliance dimensions. HappyScribe has a regulatory fit score of 3/5 and Lumo (Proton) scores 4/5. Check the full comparison above for a detailed breakdown.

Explore Each Tool