Tools · Standardized Services
Digital signature and e-invoice services for new businesses in Vietnam: provider selection, tax authority registration and first invoice.
Right after company formation, a business needs a digital signature to file taxes and e-invoices to sell goods. HDS supports you end to end, from choosing a provider and registering with the tax authority to issuing the first invoice.
- Service group
- Standardized
- Timeline
- 01 – 02 working days
- Cost
- Quoted by scope
- Format
- Online or at the office
Lawyer in Charge
Service: Digital Signature and E-Invoice
View DetailsBạc Thị Mai
Head of Corporate & Investment · Over 6 years of experience
View DetailsĐặng Thái Hưng
Associate Lawyer · Over 20 years of experience
Overview
Right after company formation, a business needs a digital signature to file taxes and e-invoices to sell goods. HDS supports you end to end, from choosing a provider and registering with the tax authority to issuing the first invoice.
With a model that combines technology and lawyers, HDS standardizes information, drafts documents with its system and controls all outputs, saving you time while keeping you legally safe.

Scope of Service
What HDS Does for You
- Advice on choosing the right digital signature and e-invoice package
- Registration of an electronic tax account
- Registration to use e-invoices with the tax authority
- Guidance on setting up invoice templates and issuing invoices
Suitable when
- Newly established businesses that have just received their certificate
- Digital signature about to expire
- Switching e-invoice providers
Costs & Timeline
| Cost | Quotation based on the scope of work, agreed clearly before we begin |
|---|---|
| Timeline | 01 – 02 working days |
| Commitment | No unexpected extra costs; you pay only for the scope you use |
How HDS Works
- 01
Choose the Right Service
Explore and choose a service to fit your needs, and adjust the scope to optimize cost.
- 02
Provide Information
Enter information as the system guides you, or book a consultation directly with a lawyer.
- 03
Review and Standardize
Specialists review and standardize the information and determine the appropriate approach.
- 04
Execution
The system produces draft documents, or a lawyer proposes an approach for specialized issues.
- 05
Completion and Delivery
A lawyer reviews and hands over the documents, or acts directly on your behalf under a power of attorney.
News
Helpful Articles
HDS Execution System
Start Handling Your Legal Work with HDS
Faster – Clearer – More Efficient
You provide the information and HDS handles the rest. Leave your phone number and a specialist will contact you to define the scope and give you a quotation before work begins.
- Clear quotation before we start
- No unexpected extra costs
- Every output controlled by lawyers


