What ChamberSign does

ChamberSign France is a Lyon-based electronic certification authority (autorité de certification électronique) founded in 2000 that issues qualified and advanced digital certificates compliant with the French RGS standard and the European eIDAS regulation. The company's PKI technology stack issues certificates for natural persons (Eiducio, Eiducio+, Initio RGS*, Audacio Identité RGS**), legal entities/seals (Négocio RGS*, EuroComercio, EuroComercio+), and server/machine identities (Certiserv SSL/TLS, Certiserv Serveur Client RGS*), supported by a desktop signing suite (Sunnysign Standard/Advanced and the 2025-launched Firmatio) and a planned SIV-specific electronic safe. Distribution combines a self-serve online ordering platform (Viseo3) with a nationwide physical network of 140+ registration bureaus and ~350 authorized operators covering metropolitan France and all overseas territories (DOMs), enabling in-person identity verification and certificate pickup.

ChamberSign monetizes primarily through recurring annual subscriptions (Eiducio at €73 HT/year, with a €60 HT USB token and a 3-year Serenity offer at €220 HT), supplemented by one-time/perpetual software licenses for Sunnysign/Firmatio and subscription revenues for digital vault/coffre-fort numérique services. Tacit annual renewal creates a recurring revenue base anchored in a large, distributed installed base rather than concentrated enterprise contracts. Marketing relies on thought-leadership content (RGS vs. eIDAS explainers, regulatory updates), organic social (LinkedIn, YouTube, Twitter, Facebook), and a contact-center sales overlay for enterprise and complex deployments such as European public procurement.

The customer base is dominated by French public administration and regulated organizations that require certified access to state platforms — Chorus Pro (e-invoicing, with ~130,000 active public entities and 910,000+ companies in 2023), @CTES, HELIOS PES V2, SIV/ANTS, Onegate/Banque de France, EBICS, Pro.Douane/Gamma2, INPI Guichet Unique, ANTAI, and PLAT'AU — alongside vertical-specific buyers in automotive, HR/payroll, accounting, banking, insurance, property management, and temporary employment. The company has been an ANSSI security-visa holder since 2020 and a France CyberSecurity Label holder since 2021, with no identified parent company, PE ownership, or external funding rounds.

Name

ChamberSign

Legal name

ChamberSign France

Website

https://chambersign.fr

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

11–50 employees

Short description

ChamberSign is a French ANSSI-approved certification authority that issues PKI-based electronic certificates and signatures compliant with RGS and eIDAS. It serves public administrations, regulated professionals, and businesses through 140+ bureaus across metropolitan France and overseas territories.

Ownership category

akta.pro rank

Headquarters

HQ city

Lyon

HQ country

France

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Electronic Certificate Issuance: Annual subscription-based issuance of electronic certificates (persona física and persona moral) for digital signature, authentication, and document sealing. Certificates are renewed annually with tacit renewal. Pricing varies by certificate type and validation level.
2. Electronic Signature Software Licenses: Sale of software tools (Sunnysign Standard, Sunnysign Advanced, Firmatio) for electronic document signing with integrated timestamping and batch signing capabilities.
3. Digital Safe Services: Electronic vault services (coffre-fort numérique) for secure archiving of electronic documents with legal timestamping and integrity sealing.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

ChamberSign is a French electronic certification authority that issues and manages digital certificates (electronic identities) for individuals and legal entities, enabling qualified and advanced electronic signatures, strong authentication, and document sealing compliant with French RGS and European eIDAS regulations. It also sells desktop signature software (Sunnysign, Firmatio) and digital safe archival services. Certificates are issued through an online platform combined with a nationwide network of 140+ registration bureaus for in-person identity verification and certificate collection.

Differentiator

Problem solved

Functional benefit

Brands

• Eiducio: Electronic certificate enabling advanced signature per eIDAS regulation, double usage for authentication and electronic signature.
• Eiducio+
• Initio RGS*
• Audacio Identité RGS**
• Négocio RGS*
• EuroComercio
• EuroComercio+
• Certiserv SSL
• Certiserv Serveur Client RGS*
• Sunnysign Standard
• Sunnysign Advanced
• Firmatio

Products and services

• Eiducio Electronic Certificate Double-use electronic certificate enabling both advanced electronic signature per eIDAS regulation and strong authentication per RGS** standard. Delivered on secure USB cryptographic token. Priced at 73.00€ HT/year (220.00€ HT for 3-year Serenity offer).
• Eiducio+ Qualified Certificate Qualified electronic signature certificate per eIDAS regulation with QSCD (Qualified Signature Creation Device) support, enabling qualified electronic signatures for French and European public tenders.
• Négocio RGS* Corporate Certificate Electronic seal certificate for legal entities, functioning as a digital company stamp for automating document signing and data sealing processes. Compliant with RGS* standard.
• EuroComercio Qualified Electronic Certificate Qualified eIDAS electronic certificate equivalent to RGS**, delivered on USB support, for guaranteeing data origin and integrity. In-person collection required at Lyon.
• Certiserv SSL/TLS Server Certificate SSL/TLS server certificates for securing websites and server communications, compliant with RGS* standard.
• Certiserv Server Client RGS* Certificate Server-client authentication certificate for machine-to-machine authentication, required for secure connections to government platforms like Chorus Pro, HELIOS, @CTES, ANTAI.
• Sunnysign Standard Electronic Signature Software Desktop electronic signature software enabling unlimited electronic signing of PDF documents with integrated timestamping.
• Sunnysign Advanced Electronic Signature Software Advanced desktop electronic signature software for signing multiple document formats with batch signing capabilities.
• Firmatio Electronic Signature Tool Electronic signature tool offered by ChamberSign for signing documents.
• Digital Safe (Coffre-fort numérique) Archival Service Electronic vault services for secure archiving of electronic documents with legal timestamping and integrity sealing.

Quantifiable outcome

• Electronic invoicing eliminates printing, postage, and processing costs for businesses
• +3 more outcomes

Named customers8 records

Segments6 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration15 records

Feature7 records

Partnerships

Ten partnerships are on record, tiered core.

• Chorus Pro (AIFE)coreTechnology or IntegrationChamberSign certificates enable secure connections to Chorus Pro, France's official e-invoicing portal for public sector procurement. Certiserv Server Client RGS* certificates are required for EDI PesIT, AS2, sFTP, and API access modes.
• @CTES (ACTES)coreTechnology or IntegrationChamberSign certificates (Audacio Identité RGS**, Eiducio, Eiducio+) enable secure tele-transmission of administrative acts for legal control by prefectures as part of France's public administration dematerialization.
• HELIOS PES V2 (DGFiP)coreTechnology or IntegrationChamberSign certificates enable secure accounting flux transmission between public entities and the Direction Générale des Finances Publiques via the PES V2 protocol.
• Guichet Unique (INPI)coreTechnology or IntegrationChamberSign certificates (Eiducio, Eiducio+) enable electronic signing of business formalities (creation, modification, cessation) on the INPI Single Window portal replacing CFE and Infogreffe since January 2023.
• SIV (ANTS)coreTechnology or IntegrationChamberSign certificates enable automotive professionals to access the Système d'Immatriculation des Véhicules platform for vehicle registration and related administrative procedures.
• EBICS ProtocolcoreTechnology or IntegrationEiducio certificate provides EBICS-TS (Transport and Signature) compliance for secure electronic banking exchanges including transfers, direct debits, and account statements.
• Pro.Douane (GAMMA2, DGDDI)coreTechnology or IntegrationNégocio certificate enables secure access to customs teleservices including GAMMA2 for excise movements, DELT@ for customs declarations, ECS/ICS for export/import control, and EORI number management.
• Onegate (Banque de France)coreTechnology or IntegrationEiducio certificate enables secure authentication for regulatory submissions to the Banque de France via Onegate portal, including ACPR anti-money laundering declarations.
• ANTAI (Stationnement)coreTechnology or IntegrationCertiserv Server Client RGS* enables secure HTTPS mutual connections to ANTAI platform for parking violation management and post-parking fee collection.
• Démat ADS / PLAT'AUcoreTechnology or IntegrationChamberSign certificates (Eiducio, Audacio) enable secure authentication for urban planning authorization tele-procedures mandated since January 2022 for all French municipalities.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Market position

Competitive moat5 records

Key risks7 records

Key highlights6 records

Customer concentration

• Xx.com/chambersignfr
• YouTubeyoutube.com/channel/UCVW9u42kW0jq_MRHnEF43MQ
• Facebookfacebook.com/ChamberSignFrance
• LinkedInlinkedin.com/company/chambersign-fr

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ChamberSign