Professional Accounting. One Cloud Platform. Local Compliance.
Accounting & Tax Services
ATA combines professional accounting and tax services with our own cloud-based platform, giving clients secure online access to their accounting environment through their own username and password.
From client and supplier management to invoicing, bookkeeping, financial reporting and country compliance, ATA brings the main accounting processes together in one connected system.

The ATA Platform
One Accounting Platform. From Your First Invoice to Financial Reporting.
In many companies, customer invoices are created in one system while the accountant works in a different accounting system.
With ATA, clients can issue and manage their own invoices directly through the ATA Platform, while our accounting team works within the same connected environment.
This reduces duplicated data entry, fragmented systems and unnecessary document exchanges while giving both the client and ATA access to the same operational information.
Instead of maintaining separate invoicing and accounting systems, ATA clients can manage key financial processes through one connected platform supported by our professional accounting teams.
One Database. One Invoice System. One Accounting Environment.

Technology + People
More Than Accounting Software
The ATA Platform does not replace your accountant. It connects our clients with the accounting professionals managing their books, filings and reporting. Clients can manage their commercial activities while ATA manages the accounting and compliance processes behind them — all within the same ecosystem.
Less Duplicate Entry
Information does not need to be recreated across multiple systems.
Better Visibility
Clients can access their own accounting information online.
Fewer Manual Exchanges
Reduce unnecessary spreadsheets, emails and document transfers.
One Connected Workflow
Operational information flows into bookkeeping and financial reporting.
Professional Support
The technology is backed by ATA accounting and tax professionals.
Select Your Market
Local Accounting and Tax Requirements, by Country
Accounting and tax requirements vary by country. Select your market to view the applicable local accounting, tax and compliance requirements.
VAT & Business Tax
Value-added tax (VAT) applies to most goods and services, with monthly returns filed to the Thai Revenue Department.
Withholding & Corporate Tax
Withholding tax obligations on qualifying payments, alongside corporate income tax filings for Thai-registered entities.
Statutory Filings
Annual financial statements and tax filings submitted in line with Thai regulatory requirements.
Accounting Standards
Bookkeeping maintained in accordance with Thai Financial Reporting Standards (TFRS).
Have Questions About Accounting in Your Market?
The information shown is indicative and may change. Local accounting, tax and filing requirements will be confirmed by ATA based on the applicable regulations in your market.
Why Choose ATA Accounting
Why Businesses Choose ATA for Accounting
Integrated ATA Platform
Professional accounting services and technology working together in one environment.
Local Accounting Expertise
Local teams familiar with each market's accounting and tax requirements.
One Secure Cloud Environment
Access your accounting information online through your own username and password.
Multi-Country Coordination
Maintain more consistent accounting processes when operating across several ATA markets.
End-to-End Accounting Support
From bookkeeping and tax filings to financial reporting and year-end compliance.
Broader Business Support
Connect accounting with payroll, HR, company registration, audit, legal, EOR / PEO and other ATA services when required.
Service Scope
Complete Accounting & Tax Support
Ongoing Accounting
- Bookkeeping
- General ledger maintenance
- Accounts receivable
- Accounts payable
- Bank reconciliation
- Document management
- Monthly accounting close
Tax & Compliance
- VAT / GST / SST filings where applicable
- Withholding tax
- Corporate tax support
- Statutory tax filings
- Local accounting compliance
Financial Reporting
- Profit & loss
- Balance sheet
- General ledger
- Management reporting
- Financial statements
- Analytical reporting where applicable
Year-End Support
- Annual closing
- Financial statement preparation
- Tax computation
- Year-end compliance
- Coordination of the statutory audit with your independent auditor, where required
From Bookkeeping to Financial Leadership
As your business grows, ATA can extend beyond day-to-day accounting with audit coordination, management reporting, financial analysis and CFO advisory services.
Useful Accounting & Tax Tools
Personal Income Tax Calculator — estimate indicative personal income tax across ATA's key markets.
Getting Started
How ATA Accounting Works
Select Your Country
Tell us where your company operates.
Configure Your Accounting Environment
We set up the relevant company settings, chart of accounts, tax configuration and access rights.
Use the ATA Platform
Your team can manage customers, suppliers, quotations, invoices and relevant operational information.
ATA Manages the Accounting
Our accountants manage bookkeeping, reconciliations, tax filings and financial reporting.
Review Your Financial Information
Access reports and financial information from the same connected environment.
Select Your Country
Tell us where your company operates.
Configure Your Accounting Environment
We set up the relevant company settings, chart of accounts, tax configuration and access rights.
Use the ATA Platform
Your team can manage customers, suppliers, quotations, invoices and relevant operational information.
ATA Manages the Accounting
Our accountants manage bookkeeping, reconciliations, tax filings and financial reporting.
Review Your Financial Information
Access reports and financial information from the same connected environment.
Our Direct Markets
Local teams. Global reach.
With local entities and experts in key Asian markets, ATA makes it easy to manage your accounting and tax matters — anywhere in the region and beyond.

Full-service accounting, bookkeeping and tax filing from our Bangkok team.

Local accounting and statutory compliance support for your Vietnam operations.

Bookkeeping and tax compliance tailored to Malaysia's regulatory requirements.

Accounting and tax support to help you navigate Indonesia's requirements.

Accounting and tax services from a strategic regional hub.

Accounting and tax support for cross-border and holding structures.
Need Accounting Support in Another Country?
ATA provides accounting services directly across our core Asian markets and can coordinate additional requirements through trusted international partners where appropriate.
Explore Global Accounting SupportMore Than Accounting
Accounting Is Only One Part of Running Your Business
ATA can support your business beyond accounting with payroll & HR, EOR / PEO, immigration, legal services, company registration, audit, recruitment and other operational services through one coordinated relationship.
One Partner. One Platform. Multiple Business Services.
A single coordinated relationship across every service you need.
- Company Formation
- Corporate Services
- Payroll & HR
- EOR / PEO
- Immigration / Work Permits & Visas
- Legal Services
- Recruitment
- Audit
- Corporate Secretarial & Compliance
- Serviced Offices
- Other Business Support Services
Get Started
Tell Us About Your Accounting Requirements
Tell us where your company operates, your transaction volume and the support you require. Our accounting team will recommend the appropriate solution.

