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List of Digital Signature and E-Invoice Service Providers

Date: 2026.03.30

1. What are Digital Signatures & E-Invoices? Why are they mandatory for businesses?

Digital signatures and e-invoices are currently mandatory tools for most businesses in Vietnam, in accordance with regulations issued by the tax authorities.

– Digital Signature: an electronic signature used to sign tax filings, social insurance documents, invoices, etc.

– E-Invoice: replaces paper invoices, allowing businesses to issue, store, and manage invoices online.

👉 According to regulations of the General Department of Taxation:

Businesses are required to use e-invoices

Tax declarations and submissions must have a valid digital signature

Source: www.gdt.gov.vn

2. List of reputable digital signature service providers

Below are some of the most popular providers in Vietnam:

2.1 NewCA (Digital Signature)

– Provider: NewCA Digital Signature Joint Stock Company

– Advantages:

+ Competitive pricing

+ Fast support

+ Easy to use for small businesses

+ Suitable for: SMEs, startups

2.2 BKAV-CA

– Provider: BKAV

– Advantages:

+ Long-established brand

+ High security

+ Stable system

– Disadvantages:

+ Higher price compared to the market average

2.3 Viettel-CA

– Provider: Viettel Group

– Advantages:

+ Strong infrastructure

+ Nationwide support

+ Good integration with multiple systems

2.4 VNPT-CA

– Provider: VNPT

– Advantages:

+ High reliability

+ Suitable for large enterprises

+ Strong integration with tax systems

2.5 FPT-CA

– Provider: FPT

– Advantages:

+ Strong technology

+ Professional services

+ Suitable for: businesses with IT systems

3. List of popular e-invoice service providers

3.1 VNPT Invoice

– Advantages:

+ Widely used by tax authorities

+ Stable and easy to use

3.2 Viettel Invoice (S-Invoice)

– Advantages:

+ Integrated digital signature

+ Large ecosystem

3.3 BKAV eHoadon

– Advantages:

+ High security

+ Suitable for medium-sized enterprises

3.4 MISA meInvoice

– Advantages:

+ Suitable for accounting operations

+ User-friendly interface

3.5 EasyInvoice / CyberBill / Softdreams

– Advantages:

+ Competitive pricing

+ Flexible for SMEs

4. Digital Signature & E-Invoice Pricing (Reference)

Digital Signature

– 1 year: ~1,200,000 – 1,800,000 VND

– 2–3 years: ~2,000,000 – 3,500,000 VND

E-Invoice

– 300 invoices: ~300,000 – 500,000 VND

– 1,000 invoices: ~700,000 – 1,200,000 VND

👉 Pricing depends on:

– Service provider

– Service package

– Whether it is a bundle of digital signature + e-invoice or not

5. Experience in choosing the right provider

When selecting a provider, businesses should consider:

✔ 1. Business size

Startup → choose cost-effective and easy-to-use solutions

Large enterprises → prioritize stability and brand reputation

✔ 2. Integration capability

Whether it integrates with accounting software

Whether it provides API

✔ 3. Technical support

Whether support is fast when issues occur

Whether on-site support is available

✔ 4. Long-term cost

Renewal pricing

Hidden fees

6. Conclusion

Digital signatures and e-invoices are not only mandatory requirements under regulations, but also essential tools that help businesses operate more professionally, reduce costs, and optimize management.

Choosing the right provider from the beginning will help businesses:

– Avoid disruptions in tax declaration and submission

– Easily integrate with accounting and management systems

– Save long-term operational costs and time

👉 If you are a new business or planning to transition to digital systems, prioritize reputable providers with strong support and solutions that match your business scale to ensure stable operations and sustainable growth.

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