Compliance isn't declared. It's audited.
ISO 27001, ISO 9001, HDS, GDPR, NIS2, DORA, eIDAS2: every certification and compliance standard at Voltn (formerly NetExplorer) is verified by an external body, not by our marketing department.
The most certified cloud on the market. We don't just say it: auditors confirm it.
ISO 27001
ISO 9001
Health Data Host (HDS)
GDPR compliant
NIS2 compliant
DORA compliant
eIDAS2 compliant
Responsible Digital Label
level 1. It highlights our CSR commitments: governance, digital sobriety, and eco-design.
100% sovereign cloud
We don't just talk about compliance. We prove it.
Certifications that are renewed, not obtained once and for all
Downloadable certificates, not just a promise on a brochure
Compliance that follows the regulations, not the other way around
Do you need SecNumCloud hosting?
We host your data on a SecNumCloud-qualified infrastructure, operated by Dassault Systèmes.
Details of our certifications and compliance.
HDS
Mandatory since 2018 for any host of personal health data. Voltn has been HDS certified since 2020. Voltn ensures that no personal health data is transferred to any country outside the European Economic Area.
It guarantees
Who is affected?
Risk of non-compliance
The ISO 27001 standard
The benchmark standard for information security management, certified by an accredited body (AFAQ AFNOR). Data confidentiality, availability, and integrity are audited.
It guarantees
Who is affected?
Risk of non-compliance
ISO 9001 standard
The quality standard that structures our internal processes: customer focus, continuous improvement, and management commitment.
It guarantees
Who is affected?
Risk of non-compliance

The Numérique Responsable label
Awarded by Agence LUCIE, level 1. This label promotes a more sustainable, ethical, and inclusive digital approach.
It guarantees
Who is affected?
Risk of non-compliance
Regulatory compliance that keeps pace with the latest standards
NIS 2
DORA
eIDAS2
GDPR
Our certificates are made for your audits, not for our showcase
With over 15 years of expertise, 300,000 daily users, and 2,000 organizations trust our certifications. Our ISO 27001, ISO 9001, and HDS certificates can be downloaded directly for use in your own supplier audits.

Your data stays in France, not in an anonymous data center.
Two data centers in the Paris region, operated with Equinix and Zayo, classified as Tier 3+ and Tier 4. No data is transferred outside the European Union.
100%
2
Tier 3+ / 4
0
Responsible Digital Certified

The Responsible Digital Label, issued by the LUCIE Agency, recognizes organizations that integrate digital sobriety, ethics, and inclusion into their strategy. Voltn is certified at level 1.
96% of our clients recommend us
Solutions for every sector
FAQ
What is the Responsible Digital Label, and why did Voltn earn it?
Awarded by the LUCIE Agency, this label recognizes an organization's CSR commitments across five key areas: strategy and governance, team awareness, equipment lifecycle, tool sharing, and eco-design. Voltn is certified at level 1.
Who is authorized to host health data, and is Voltn certified?
Since 2018, any host of personal health data must be HDS certified. Voltn has held this certification since 2020, and no health data is transferred outside the European Union.
Is Voltn GDPR compliant?
Yes. Voltn processes customer data strictly within the scope of the services provided, with access restricted to authorized personnel bound by confidentiality obligations.
Is Voltn ISO 27001 certified?
Yes, by an accredited body (AFAQ AFNOR). The certificate can be downloaded directly from this page.
