From 2025–2026, the use of electronic invoices will no longer be an option but a mandatory requirement for many businesses and household businesses according to new tax regulations.

For online or multi-channel businesses, issuing invoices serves not only the purpose of complying with regulations but also helps manage revenue, expenses, and business operations more transparently. However, there are many different electronic invoicing software programs on the market today, each with its own advantages and disadvantages.

This article compiles the Top 6 most recommended invoicing software for sole proprietorships in 2026, helping you choose the solution that best suits your business scale.

1. GTG CRM - Integrated multi-channel invoicing software

GTG CRM is a business management platform that integrates multiple tools into a single system, allowing businesses to manage sales, invoices, inventory, orders, shipping, and invoicing all on one platform. Unlike many invoicing software programs that focus solely on invoice issuance, GTG CRM helps businesses manage the entire business process from sales to invoicing.

Outstanding advantages

The software allows for direct invoice generation from orders, reducing manual data entry and minimizing errors. All sales invoices are stored and managed centrally within the system, making them easy to search and monitor.

Invoices for goods received can also be automatically stored, helping to track costs and control cash flow.

When a customer requests a return, after just a few simple steps of confirmation, the system automatically generates an adjusted invoice. Inventory is updated consistently across all sales channels in real time.

GTG CRM supports sales on Facebook, websites, and Zalo, and can also synchronize products and orders with Shopee, Lazada, and TikTok Shop.

The system supports creating shipping labels and tracking deliveries through shipping companies such as GHN and Viettel Post.

The reporting system helps businesses track revenue, expenses, and profits by product or time period. GTG CRM also integrates AI to assist in responding to customer messages, creating orders from conversation content, and supporting the creation of advertising content.

Disadvantages

Because it's a newly launched platform, it's not yet widely popular.

See also: Automated invoicing solution from GTG CRM

2. MISA meInvoice – Popular electronic invoicing software

MISA meInvoice is one of the most widely used electronic invoicing software in Vietnam, particularly suitable for businesses and household businesses that need a professional invoicing system.

Advantage

The system is stable and trusted by many businesses. The software provides many invoice templates that meet tax authority standards and integrates well with MISA accounting software.

Disadvantages

It focuses primarily on invoicing and accounting functions, with few features to support sales. The cost of use is high, and it takes time to become familiar with the platform.

3. VNPT Invoice – VNPT's invoicing software

VNPT Invoice is an electronic invoicing solution provided by VNPT, suitable for various business models and household businesses.

Advantage

The infrastructure is stable and has good security capabilities. The technical support team is professional and always ready to answer user questions.

Disadvantages

It has limited integration with sales management tools, focusing primarily on invoicing operations.

4. Viettel S-Invoice – Viettel's electronic invoicing software

S-Invoice is Viettel's electronic invoicing solution, chosen by many businesses thanks to its technological infrastructure and security capabilities.

Advantage

A highly secure system with stable invoice processing capabilities. The software is suitable for a wide range of industries and business sizes.

Disadvantages

Some advanced features require integration with other systems to fully meet business management needs.

5. EasyInvoice – Easy-to-use electronic invoicing software

EasyInvoice is electronic invoicing software focused on helping businesses issue and manage invoices quickly.

Advantage

The interface is user-friendly and easy to operate. It manages invoices efficiently and can connect with accounting software to synchronize data.

Disadvantages

It primarily serves invoicing purposes and does not yet support many sales or inventory management functions.

6. E-Invoice (Thai Son) – Stable electronic invoicing software

E-Invoice is electronic invoicing software developed by Thai Son Company and used by many businesses in Vietnam.

Advantage

Stable infrastructure and full compliance with legal regulations on electronic invoices. Professional technical support team, ready to resolve any issues that may arise.

Disadvantages

Without deep integration of sales or marketing tools, it is suitable for businesses that only need a basic invoicing solution.

Criteria for selecting invoicing software for sole proprietorships

When choosing electronic invoicing software, businesses should consider the following criteria:

Comply with legal regulations.

The software must comply with the regulations on electronic invoices as stipulated in the Decrees and Circulars of the Ministry of Finance, ensuring the legality of business operations.

Easy to use

The system should have a simple interface that is easy to use, even for those without accounting or IT expertise.

Integration with the sales system

Software that can connect with the sales system will help reduce manual data entry, save time, and minimize errors.

Data security

Invoices need to be stored securely with long-term retrievability, ensuring that business information is not lost or leaked.

Reasonable cost

The software should have transparent pricing that is appropriate for the scale of the household business, avoiding unnecessary financial pressure.

Conclude

Using electronic invoicing software helps businesses comply with legal regulations, save time, and manage finances more effectively.

While software like MISA meInvoice, VNPT Invoice, or Viettel S-Invoice simply focus on invoice issuance, GTG CRM is a platform that supports all sales, inventory, shipping, and invoicing activities. New businesses familiar with electronic invoicing can consider GTG CRM as a solution to ensure all sales processes are fully managed.

Thanks to its ability to integrate multi-channel sales, real-time inventory management, shipping connectivity, and direct order-based invoicing, GTG CRM helps businesses save operational time and control revenue more effectively.