Hilo CA: Digital Signature Issuance & Signing
Hilo CA digital certificate and signature services empower enterprises and individuals to issue, manage, and sign legal e-contracts, taxes, customs, and e-invoices with full legal compliance.

Comprehensive digital signing for every business need
Online Tax Filing & Government Gateways
File tax declarations and social insurance reports 24/7, directly connected to General Department of Taxation portals.
Legally Recognized E-Contracts & Invoices
Sign commercial contracts, electronic invoices, and payment documents with recognized legal seal validity.

Rapid Renewal & Lifecycle Management
Track certificate status, serial numbers, and validity periods, and request renewals directly via mobile app.
Customs & Social Insurance
Fully compliant with VNACCS customs gateway and Vietnam social insurance public services.
Hardware Token & Cloud Signing
FIPS-compliant USB Tokens and cloud-based HSM remote signing without physical dongles.
24/7 Dedicated Technical Support
Remote setup assistance and responsive technical support whenever you sign.
How to register your Hilo CA certificate
Capture representative ID
Capture front and back of chip-based national ID to verify legal representative authority.

Scan QR for audit
Camera autofocus scans national ID QR code to audit security authenticity.

Facial verification
Align face inside the frame to execute live biometric liveness verification.

Biometric match & NFC audit
NFC audit achieves 99.99% facial match confidence, digitizing personal identity data with a Sign button.

Confirm registration & e-sign
Review email, phone number, location, and sign agreement on-screen as Party B.

Issue certificate
System issues legal digital certificate ready for e-signing and online tax declarations.

Explore the Hilo CA Management Portal
Track and manage all organizational and individual digital certificates
Validity period, issuing CA authority, and public key cryptography parameters

Multi-factor authentication protecting the certificate authority portal
Hilo CA pricing plans
* Illustrative pricing, excl. VAT. Contact our consultants for official quotes.
Compare Hilo CA packages
Frequently asked questions about Hilo CA
An Hilo CA digital signature is used to sign electronic documents, file taxes, issue e-invoices, submit social insurance filings and handle customs declarations. It carries the same legal weight as a handwritten signature and seal on e-contracts.
A business needs its registration certificate, the legal representative’s ID and a completed application form. The application can be submitted online. After review, Hilo CA issues the signature and guides you through setup.
A digital signature is usually issued within one to two business days once the application is valid. It can take longer if documents need to be supplemented. You are notified at each processing step.
You renew online before the signature expires by confirming your details and paying. Hilo CA sends a reminder ahead of expiry to avoid interrupting tax filings. Changes to company information are also supported.
Yes, an Hilo CA digital signature can sign and issue e-invoices and works with common invoicing providers. You need to install the token driver as instructed, and our support team can help configure it remotely.
Register for Hilo CA today
Review plan options or talk to our experts for fast-track corporate verification.

