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VAT, Personal Income Tax, Corporate Income Tax June 16, 2026 | 23-minute read

What is a full-service tax accounting service?

Dịch vụ kế toán thuế trọn gói

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Service tax accounting What constitutes a comprehensive accounting service is always a top question for startups and SMEs when starting their business operations in Vietnam. According to statistics from the General Department of Taxation, over 701 small and medium-sized enterprises (SMEs) choose to outsource accounting services instead of maintaining an in-house system to save on operating costs.

Understanding what a comprehensive tax accounting service entails goes beyond simply hiring a firm to prepare reports; it's about a solution that protects businesses from legal risks under the 2015 Accounting Law and related regulations. Tax Administration Law No. 38/2019/QH14. The complexity of the circular system requires a team of experts with extensive practical experience to process the data accurately. Let's explore this solution in detail below.

A quick summary of our comprehensive tax accounting services.

Full-service tax accounting is a solution that outsources all accounting and tax reporting tasks for businesses. The service provider will perform the following:

  • Declaration of VAT, PIT, CIT
  • Accounting records
  • Prepare annual financial statements
  • Tax settlement
  • Electronic invoice consulting
  • Work with the tax authorities when necessary.

The cost typically ranges from 500,000 to 5,000,000 VND per month, depending on the size of the business and the number of invoices.

What is the concept of a comprehensive tax accounting service and its essential role?

Khái niệm dịch vụ kế toán thuế trọn gói là gì và vai trò cốt yếu
What is the concept of a comprehensive tax accounting service and its essential role?

Before delving into the technical aspects, we need to clearly define what a full-service accounting and tax service is in the context of the modern economy. This is a form of business where a company entrusts all accounting and tax-related tasks to a professional firm, from receiving documents to final settlement.

The core objective of seeking comprehensive tax accounting services is to find the optimal solution for maximizing profits through tax management. The service provider will be fully responsible for the legal validity of the documentation, allowing business owners to focus on their core business activities with peace of mind.

The legal nature of outsourced accounting services

What is a full-service tax accounting service from a legal perspective? Circular 78/2014/TT-BTC, Businesses have the right to hire accounting service providers to perform specialized tasks. This is recognized by law to standardize national financial data.

In the digital transformation era, comprehensive tax accounting services also encompass the use of electronic invoices and modern software. This facilitates rapid data synchronization with tax authorities, minimizing errors often caused by manual processes performed by inexperienced personnel.

The difference between in-house accounting and outsourced accounting services.

To gain a deeper understanding of comprehensive tax accounting services, let's compare the effectiveness of these two approaches. In-house accounting often incurs high costs for salaries, insurance, and infrastructure. In contrast, outsourced services offer greater stability and superior expertise.

Below is a detailed comparison table to help you better understand the economic benefits of a comprehensive tax accounting service:

Comparison table between in-house accounting and full-service tax accounting.
Comparison criteria Internal Accountant (Little Experience)  Full package tax accounting service
Personnel costs 8,000,000 – 15,000,000 VND/month 1,000,000 – 5,000,000 VND/month
Facilities Expensive (Computers, desks, chairs, software) Inexpensive
Stability Low (Possible for taking time off, maternity leave) Very high (Guaranteed by contract)
Professional qualifications It depends on the individual. Team of experts (Chief Accountant, Auditors)
Legal liability Individuals are held responsible, businesses pay the fine. The service provider will compensate if there are errors.

Which businesses should hire a full-service tax accounting firm?

Doanh nghiệp nào nên thuê dịch vụ kế toán thuế trọn gói
Which businesses should hire a full-service tax accounting firm?

Newly established company

Startups often lack a dedicated accounting department and need to optimize operating costs. Outsourced accounting services help businesses:

  • Initial tax declaration
  • Register for electronic invoices
  • Register for a digital signature.
  • Establish a proper accounting system.

This is a stage where businesses are very prone to making mistakes if they lack practical experience.

SMEs

Small and medium-sized enterprises typically have:

  • Under 50 invoices/month
  • There's no need to hire a chief accountant yet.
  • Want to save on social insurance and fixed salary costs?

Outsourcing allows businesses to have a team of experts to support them at a much lower cost than building an in-house accounting department.

E-commerce businesses

Online shops and multi-channel businesses often face difficulties in:

  • Reconciling revenue for e-commerce platforms.
  • Cash on Delivery (COD) Management
  • Issuing electronic invoices
  • Cash flow control

A professional accounting firm will assist in data synchronization and minimize revenue discrepancies.

Construction and manufacturing businesses

This group has complex accounting tasks such as:

  • Cost calculation
  • Cost allocation
  • Monitoring the construction
  • Contractor tax
  • Settlement documents

Therefore, a team with in-depth practical experience is needed.

What does a full-service tax accounting package include?

Content of tax accounting services A comprehensive package typically includes four main areas: periodic tax accounting, annual financial reporting, tax settlement, and management consulting. Each area has strict timeframes as stipulated by the Ministry of Finance.

The supplier will review the documents and check the validity of the invoice. Decree 123/2020/ND-CP. What does a full-service tax accounting service entail in the execution phase? It's the process of transforming individual invoices into standardized ledgers and tax returns.

Work is performed on a monthly and quarterly basis.

In the operational process, what does a full-service tax accounting service entail at this stage? The specialists will receive documents, then classify and record them in the software. They will prepare the VAT tax return., personal income tax and provisional corporate income tax as prescribed.

The legal basis for this section is Circular 80/2021/TT-BTC guiding the Law on Tax Administration. Submitting tax returns on time is mandatory to avoid very high late payment penalties under Government Decree 125/2020/ND-CP.

Checking and classifying invoice documents

An important part of explaining what a full-service tax accounting service is is the post-audit process. Accountants must verify the tax identification number and the reasonableness of the economic content on invoices to avoid having expenses disallowed during subsequent tax settlements.

Prepare periodic tax returns and reports.

What is a full-service tax accounting service without a time commitment? Quarterly, businesses must complete VAT tax returns and invoice usage reports before the 30th of the first month of the following quarter to ensure compliance.

Year-end financial settlement and reporting

At the end of the fiscal year, the role of comprehensive tax accounting services becomes even more crucial. This is the time to prepare complete financial statements according to the forms prescribed in Circular 200/2014/TT-BTC or Circular 133/2016/TT-BTC.

The deadline for submitting annual financial statements is no later than 90 days from the end of the fiscal year. What is a comprehensive tax accounting service in this situation? It acts as a "shield" to help businesses review revenue and expenses, perform closing entries, and calculate the final corporate income tax.

The 6-step process for implementing comprehensive tax accounting services.

Quy trình 06 bước triển khai dịch vụ kế toán thuế trọn gói
The 6-step process for implementing comprehensive tax accounting services.

To ensure accuracy, we need to follow a strict process. Below are 6 basic steps to implementing a comprehensive tax accounting service for a business:

  • Received the request: Conduct a survey of the client's specific business type.
  • Review old data: Check the accounting records from previous years to look for errors.
  • Contract signing: Clearly define responsibilities, authority, and fees.
  • Perform the task: Receive invoices, process them, and prepare periodic reports.
  • Submit customer report: Explain the data and provide advice on outstanding issues.
  • Storage and delivery: Print year-end accounting records and submit reports on time.

What is a comprehensive tax accounting service? Each step requires close coordination between both parties. Information transparency is key to ensuring that accounting records accurately reflect business reality and pass tax audits.

What is the price list for comprehensive tax accounting services and what are its components?

Pricing is a key factor to consider when choosing a full-service tax accounting service. Generally, fees depend on the number of invoices and the scale of revenue. The construction sector typically has higher costs than the commercial sector due to the complexity of cost accounting.

Below is a price list for your reference, helping you understand what a comprehensive tax accounting service entails in terms of investment budget:

This price list is for your reference and helps you understand our comprehensive tax accounting services.
Business type Bill size/month Service fee (VNĐ/month)
Newly established business Under 5 invoices 500,000 – 1,000,000
Trading Enterprise 10-30 invoices 1,500,000 – 2,500,000
Service Businesses 10-30 invoices 2,000,000 – 3,000,000
Manufacturing/Construction Businesses Under 20 bills 3,000,000 – 5,000,000
Foreign-invested enterprises According to the agreement 5,000,000+

See more articles at: Professional Tax Accounting Service Price List 2026

Benefits of using a full-service tax accounting service.

Understanding what a comprehensive tax accounting service entails helps business owners monitor the quality of outsourced services. Many businesses encounter problems because they hire uncertified freelancers, leading to serious errors during tax audits.

Once you understand what a comprehensive tax accounting service is, you'll realize the value of in-depth consultation. A reputable firm not only handles bookkeeping but also advises on tax incentives, optimizing payroll costs, and ensuring social insurance contributions are in accordance with regulations.

Maximize cost and resource savings.

The cost of a full-service tax accounting service is usually only a fraction of the cost of hiring a chief accountant. With a reasonable budget, you still gain access to top-tier expert knowledge, helping to optimize cash flow and minimize tax penalties.

Ensure continuity and professionalism in record keeping.

Disruptions in accounting are a major risk for businesses. Once you understand what a comprehensive tax accounting service is, you'll see the advantages of this model: there's always staff handling the work, and the books are stored systematically and are ready for reconciliation.

Stay up-to-date with the latest tax policies.

Tax laws in Vietnam change very rapidly. What is a comprehensive tax accounting service if it doesn't keep up-to-date? The service provider constantly studies the law, ensuring businesses comply with the latest regulations, such as VAT reductions.

Checklist for choosing a reputable full-service tax accounting company.

Checklist chọn công ty cung cấp dịch vụ kế toán thuế trọn gói uy tín
Checklist for choosing a reputable full-service tax accounting company.

Before signing a contract, businesses should check:

  • We have a business license for providing accounting services.
  • Have a CPA Vietnam or chief accountant
  • There is a contract with clear responsibilities.
  • Assistance is available for explaining matters to the tax authorities.
  • There is a cloud data storage system.
  • There is a commitment to information security.
  • Having practical experience in the field.

What are the key considerations for optimizing comprehensive tax accounting services?

To maximize benefits, businesses need to keep a few key points in mind. First, what a full-service tax accounting service is doesn't mean you should completely neglect your responsibilities. Request monthly trial balances to track your liabilities.

Secondly, carefully review the compensation clause in the contract. A comprehensive answer to the question "What does a full-service tax accounting service entail?" should include a commitment to take responsibility if errors result in administrative penalties from the tax authorities.

Invoice and document archiving mode

According to the Accounting Law, documents must be stored for a minimum of 10 years. When hiring a service, you need to ask clearly how they store hard copies and XML files of electronic invoices to ensure they are not lost when audits are needed.

Interacting with tax authorities during audits.

What does a full-service tax accounting service entail when the tax authorities conduct an audit? The service provider will directly explain the recorded figures. This is where professional expertise is most clearly demonstrated through negotiation skills and a thorough understanding of the law.

What are some common mistakes to avoid when choosing a full-service tax accounting service?

The biggest mistake is choosing a service based solely on price. Many companies quote low prices but in reality only prepare blank tax returns, without detailed accounting records. Once you understand what a full-service tax accounting service is, you'll realize the work lies in the accounting behind the scenes.

Another mistake is not signing a clear service contract. The terms of a comprehensive tax accounting service should be clearly defined with commitments regarding client confidentiality and legal liability to relevant authorities.

Real-life Case Study: A trading company was ordered to pay 280 million VND in back taxes due to incorrect VAT declarations.

A trading company in Ho Chi Minh City handles its internal accounting using personnel with limited experience.

During the inspection, the tax authorities discovered:

  • Invalid input invoice
  • Incorrect VAT declaration
  • Underreporting revenue

Result:

  • They were ordered to pay back taxes and fined over 280 million VND.
  • The entire financial statement needs to be adjusted.

After switching to professional accounting services, the business has:

  • Standardize the accounting system.
  • Control input invoices
  • Limit tax risks in subsequent years.

Conclude

We have thoroughly analyzed what a comprehensive tax accounting service is from both legal and practical perspectives. This is not just a support service, but an essential component of a business's risk management structure. Investing in proper accounting will help you avoid financial pitfalls.

What is a comprehensive tax accounting service? It's the key to freeing up resources and focusing on your strategic vision. If your company is looking for a reliable partner, come to MAN – Master Accountant Network. We are proud to offer a professional service ecosystem including:

  • Auditing services: Ensure the transparency and integrity of financial reporting.
  • Tax accounting – Tax consulting services: Optimize tax obligations in accordance with legal regulations.
  • Tax settlement: Protecting business interests during tax audits.
  • Tax reporting: Accurate, timely, and in strict compliance with current standards.

Let MAN be your partner in business prosperity. Contact us today for expert advice on the most optimal accounting and tax solutions!

Service contact information at MAN – Master Accountant Network

  • Address: No. 19A, Street 43, Tan Thuan Ward, Ho Chi Minh City
  • Mobile/Zalo: 0903 963 163 – 0903 428 622
  • Email: man@man.net.vn

Content production by: Mr. Le Hoang Tuyen – Founder & CEO MAN – Master Accountant Network, Vietnamese CPA Auditor with over 30 years of experience in Accounting, Auditing and Financial Consulting.

What are some frequently asked questions about full-service tax accounting?

What is a full-service tax accounting package, and does it include annual tax settlement?

Yes, reputable service packages usually include financial reporting and year-end tax settlement at no extra charge if agreed upon from the beginning of the contract.

Does a newly established company that hasn't generated any invoices yet need to use this service?

It is essential. Even without invoices, businesses must still file periodic tax returns and complete initial tax procedures such as registering for digital signatures and electronic invoices in accordance with regulations.

Am I liable if the outsourced accountant makes mistakes?

From the tax authorities' perspective, the business still has to pay the penalty. However, the provider of the comprehensive tax accounting service will be responsible for reimbursing that penalty amount according to the terms of the contract.

What certifications are required for a service provider?

The entity must possess a Certificate of Eligibility to Conduct Accounting Services issued by the Ministry of Finance, and the personnel directly performing the services must hold professional licenses as required by regulations.

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