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.

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The most certified cloud on the market. We don't just say it: auditors confirm it.

Voltn is ISO 27001, ISO 9001, and HDS certified, and compliant with GDPR, NIS2, DORA, and eIDAS2. SecNumCloud qualification is in progress.
1

ISO 27001

The gold standard in information security. Confidentiality, availability, integrity: every requirement is verified by an external audit.
2

ISO 9001

The quality certification that governs our processes, from the design of a feature to the handling of a customer request.
3

Health Data Hosting (HDS)

Certified since 2020. Healthcare professionals hosting patient data with a third party must use a certified host.
4

GDPR Compliant

Your personal data is processed only within the scope of the services provided, with access restricted to authorized personnel only.
5

NIS2 compliant

The European directive that strengthens cybersecurity for essential sectors. Our commitments to risk and incident management are fully aligned with it.
6

DORA compliant

The regulation governing digital resilience in the financial sector. Sovereign hosting, security certifications, and traceability: the building blocks are already in place.
7

eIDAS2 compliant

The European framework of digital trust for electronic signatures and transactions. Authenticity and non-repudiation guaranteed.
8

Responsible Digital Label

Awarded by the LUCIE Agency,
level 1. It highlights our CSR commitments: governance, digital sobriety, and eco-design.
9

100% sovereign cloud

Hosting exclusively in France, outside the reach of the Cloud Act.

We don't just talk about compliance. We prove it.

1

Certifications that are renewed, not obtained once and for all

Our ISO 27001, ISO 9001, and HDS certifications are revalidated on a fixed cycle by an accredited body, not held indefinitely.
2

Downloadable certificates, not just promises on a brochure

Each certificate (ISO 27001, ISO 9001, HDS, Responsible Digital Label) is available for direct download from this page to support your own vendor audits.
3

Compliance that follows the regulations, not the other way around

GDPR, NIS2, DORA, eIDAS2: our commitments align with these regulatory frameworks as they evolve, rather than after an audit reveals a delay.
Learn more about Voltn

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.

Certification HDS, Hébergeur de Données de Santé

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

No transfers outside the European Union
A binding European legal framework
Traceability of patient record access

Who is this for?

Healthcare facilities and clinics
eHealth software vendors
Any subcontractor processing health data

Risk in case of non-compliance

Prohibition from hosting health data
CNIL penalties
Liability of healthcare professionals
Certification ISO 27001

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

infrastructure security
data confidentiality
system availability

Who is affected?

Any company handling sensitive data
CIOs and CISOs subject to vendor audits
Regulated sectors (healthcare, finance, public sector)

Risk in case of non-compliance

Data breach or loss
contractual or regulatory penalties
Loss of trust from clients and partners
Certification ISO 9001

ISO 9001 standard

The quality standard that structures our internal processes: customer focus, continuous improvement, and management commitment.

It guarantees

Rigorous and documented organization
Structured customer service
Measurable continuous improvement

Who is this for?

Any organization requiring a contractual service level
Purchasers and legal departments during the tender process

Risk in case of non-compliance

Lack of guarantee regarding service quality
Difficulty responding to tenders requiring ISO 9001
Label Numérique Responsable niveau 1

The Responsible Digital label

Awarded by the LUCIE Agency, level 1. This label promotes a more sustainable, ethical, and inclusive digital approach.

It guarantees

A formalized responsible digital strategy
Responsible hardware and lifecycle management
Eco-design of products and services and continuous improvement

Who is this for?

Organizations with contractual CSR commitments
Public sector and public procurement with environmental criteria

Risk in the event of non-compliance

Ineligibility for certain public contracts
Damaged reputation regarding CSR criteria

Regulatory compliance that keeps pace with the latest legislation

NIS 2
DORA
eIDAS2
GDPR

NIS 2

The European directive that strengthens the resilience and cybersecurity of essential network and information systems. It applies to critical infrastructure, essential services, and certain digital services. Voltn, which is ISO 27001 certified, meets its requirements for risk management, sensitive data protection, and incident notification.

DORA

The regulation requiring enhanced digital resilience for the financial sector: ICT risk management, security testing, and third-party oversight. With sovereign hosting in France, ISO 27001 and HDS certifications, and access traceability, Voltn provides the building blocks required for financial institutions subject to DORA.

eIDAS2

The European regulation on electronic identification and trust services. It guarantees the authenticity, integrity, and non-repudiation of exchanged electronic documents and signatures.

GDPR

The European regulation on the protection of personal data. Voltn processes client data strictly within the scope of the services provided, with access restricted to authorized personnel bound by confidentiality obligations, in accordance with CNIL recommendations.

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%

of data in France

2

French data centers

Tier 3+ / 4

only the best

0

transfers outside the EU

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.

What this means on a daily basis:
Integrating responsible digital practices at the heart of our strategy.
Raising awareness and training our employees on the challenges of responsible digital practices.
Adopting responsible management for our equipment.
Promoting digital technology as a positive lever for the environment and society.
Integrating eco-design principles into our products

96% of our clients recommend us

Frédéric Lamagdelaine

IT Project Manager at Samu Social de Paris

“With Voltn we share and collaborate easily, in a fully secure, HDS-compliant environment, adapting the access rights, confidentiality and audit trail requirements of each of our assignments to their specific needs.”

Laurent Grifeille

IoT Connected Equipment Project Manager, Conseil départemental de la Haute-Garonne

“To secure and centralise the data from our connected devices, we chose Voltn for its reliability and its 100% sovereign storage. The solution meets our security needs with hosting in France, guaranteeing optimal protection of our sensitive data.”

Philippe LECOCQ

Chief Information Officer at Louis De Waele

“In construction, we exchange a great many documents with partners and subcontractors. We chose Voltn for its simplicity, its user-friendly interface and its responsive support. The platform is fast, flexible, easy to use, and accessible on smartphones and tablets.”

Use cases

Solutions for every sector

Logo Louis De WaeleLogo Salmon AvocatLogo du Département de la Haute-GaronneLogo de la Métropole de LyonLogo AlcyonLogo Multimed

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.