Compliance isn't declared. It's audited.
ISO 27001, ISO 9001, HDS, GDPR, NIS2, DORA, eIDAS2: every certification and compliance standard held by 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 Hosting (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 promises on a brochure
Compliance that follows the regulations, not the other way around
Do you need SecNumCloud hosting?
Voltn is currently in the process of obtaining SNC qualification. In the meantime, we offer to host your data on infrastructure that is already SecNumCloud qualified, 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 and does not transfer any health data outside the European Union.
It guarantees
Who is this for?
Risk in case of non-compliance
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 in case 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 this for?
Risk in case of non-compliance

The Responsible Digital label
Awarded by the LUCIE Agency, level 1. This label promotes a more sustainable, ethical, and inclusive digital approach.
It guarantees
Who is this for?
Risk in the event of non-compliance
Regulatory compliance that keeps pace with the latest legislation
NIS 2
DORA
eIDAS2
GDPR
Our certificates are for your audits, not for show
With 18 years of expertise, 300,000 users and 2,000 organizations trust our certifications. Our ISO 27001, ISO 9001, and HDS certificates are available for direct download, ready to be used as-is for your own vendor audits.

Your data stays in France, not in an anonymous data center.
Two data centers in the Paris region, operated with Equinix and Zayo, rated Tier 3+ and Tier 4. No data leaves 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.
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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, resource sharing, and eco-design. Voltn holds a level 1 certification.
Who is authorized to host health data, and is Voltn certified?
Since 2018, in France any host of personal health data must be HDS certified. Voltn has held this certification since 2020, and no health data is ever transferred outside the European Union.
Is Voltn GDPR compliant?
Yes. Voltn processes client 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). You can download the certificate directly from this page.
