ATA Services

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.

Secure Cloud AccessYour Own Secure LoginIntegrated Accounting ModulesCountry-Specific ComplianceLocal Professional Support

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.

Client & Supplier Database
Quotation & Invoice
Payment Status
Bookkeeping
Financial Management
Country Compliance

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

1

Select Your Country

Tell us where your company operates.

2

Configure Your Accounting Environment

We set up the relevant company settings, chart of accounts, tax configuration and access rights.

3

Use the ATA Platform

Your team can manage customers, suppliers, quotations, invoices and relevant operational information.

4

ATA Manages the Accounting

Our accountants manage bookkeeping, reconciliations, tax filings and financial reporting.

5

Review Your Financial Information

Access reports and financial information from the same connected environment.

More 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.

Where does your company operate?