We handle the back office
so you can move forward with confidence.
Hand your accounting, tax, and financial statements to A.C.T. Accounting — handled by a licensed CPA and Tax Auditor (TA) with over 18 years of experience. Full-service support for SMEs and foreign-owned companies in Ayutthaya, all in one place.
Office hours Mon–Fri 08.30–17.00 (and some Saturdays)
Accounting and tax — everything handled in one place
Tap each service for details — every task handled by our in-house team.
Bookkeeping & Accounting
Monthly bookkeeping and annual financial statements
Systematic monthly bookkeeping, annual closing of financial statements, and complete, on-time filing with the Department of Business Development (DBD).
Tax Services
Tax planning and filing income tax every period
Tax planning tailored to your business, plus preparing and filing income-tax returns every period with the Revenue Department — accurate and on time.
Audit
Financial statements certified by a CPA
Auditing and certification of financial statements by a licensed Certified Public Accountant (CPA) and Tax Auditor (TA), following Thai auditing standards.
Business Registration
Set up, amend, or close a business
Registering the formation, changes, and dissolution of businesses — companies, partnerships, and sole proprietorships.
Social Security
Employer/employee registration and contribution filing
Handling your social-security obligations, from registering employer and employees to filing monthly contributions in full.
Financial Advisory
Access funding and manage cash flow smoothly
Financial advice for your business — making funding easier to access and helping your finances run smoothly.
Start in 3 simple steps
Know the scope of work and the fees clearly before you decide — no obligation.
Call and tell us about your business
Call 086-757-3371 and describe your business and the work you need. The initial consultation is free.
Get a clear scope and quote
We assess your business type and document volume, then tell you the scope of work and the fees before we begin.
Send your documents and leave the rest to us
Our team handles bookkeeping, tax filing, and financial-statement submission on time, all year round.
Serving a wide range of businesses — companies and individuals alike
Services
Construction · Logistics · Contracting
Manufacturing
Production · Export
Trading
Buy-and-sell businesses
Individuals
Personal income tax
“Committed, dedicated, and ready to serve
with a focus on quality”
Our commitment for over 18 years — and the reason A.C.T. has been certified a “Quality Accounting Firm” by the Department of Business Development since 2013.
“Since working with A.C.T. Accounting, we make our financial decisions with far more confidence. The team helps with both tax planning and financial reporting, efficiently.”
— A business client of A.C.T. Accounting
Accounting and tax questions business owners ask us most
Real questions our clients ask regularly — tap to read the answers.
How much tax should my business pay?
It depends on several factors — your business structure, revenue, and expenses. Different sizes and types of business face different tax and withholding rates. Consulting an accounting professional helps you understand your specific tax obligations.
What documents should I prepare for annual accounting and audit?
Clear records of financial transactions, tax invoices, receipts, income and expense records, and related financial documents. Complete documentation keeps accounting and auditing running smoothly.
How can my business save on tax?
Deduct expenses correctly, use every tax benefit you are entitled to, and keep accurate documentation. Consulting a professional gives you more complete and accurate guidance.
Do I need internal financial controls?
Very much so. Internal controls help prevent fraud, reduce financial errors, and give management a clear view of the company finances — assurance that every transaction is handled and reported correctly.
How do I manage working capital effectively?
Start with efficient preparation and analysis of financial statements. That makes it easier to access good funding sources and keep your finances running without interruption.
Have other questions about your business? Call us anytime at 086-757-3371
Call us anytime — we are happy to help
Tap a number to call right away — or visit us at our office in the city of Ayutthaya.
035-742-609 Mobile
086-757-3371 Mobile
083-693-9367 Email
act-accounting@hotmail.com Facebook — weekly tax tips
ActAcct Accounting LINE — ask questions & get tax updates
@295lyzro · Act Accounting Google — reviews from real clients
Rate us / read our reviews
Some Saturdays