Smile Professional Accounting Service Co.,Ltd.

Taking care of your accounts with a smile — confidence in every step by professionals.

A full-service accounting firm ready to support your business every step of the way — with a team of accounting and tax professionals who have real-world experience serving a wide range of businesses, from small and medium-sized enterprises to fast-growing companies.

We provide services such as Monthly bookkeeping services, Accounting system setup, Audit services performed by a Certified Public Accountant (CPA), Including Company registration And we provide comprehensive tax consultation to help business owners operate with confidence, transparency, and in full compliance with legal standards.

With a deep understanding of the challenges faced by today’s entrepreneurs, we’ve designed our services to be flexible, accessible, and truly effective. Whether you’re just starting your business or looking for a reliable professional accounting partner, we’re here to support you at every stage of your growth.

Let us be a part of your financial success with high-quality accounting services that are timely, accurate, and friendly.

ServicesAll

Accounting services.

We are experts in accounting and tax services, offering comprehensive solutions including monthly and annual accounting services, financial statement preparation, auditing, and complete accounting reports in compliance with accounting standards. Our additional services include company registration, partnership registration, tax planning, accounting system setup, and broad-ranging business consultancy. We can handle accounting for all types of businesses — no matter how complex your operations may be.

Monthly accounting services.

Preparation of input VAT and output VAT reports.
Preparation and filing of corporate income tax returns and withholding tax (P.N.D. 53).
Preparation and filing of personal income tax returns with withholding tax (P.N.D. 3).
Preparation and filing of withholding tax returns on salaries and wages (P.N.D. 1).
Preparation and filing of monthly business tax returns, including Value Added Tax (VAT – Form Por.Por.30) and Specific Business Tax (SBT – Form Por.Tor.40).
Preparation and filing of Social Security forms (Form SSO 1-10).

Service fees start at 3,000 THB per month.

*We offer flexible service rates, ideal for small businesses or newly established companies.

Annual accounting services.

Preparation and filing of the annual corporate income tax return (Form P.N.D. 50).
Preparation and filing of the mid-year corporate income tax return (Form P.N.D. 51).
Preparation and submission of financial statements to the Ministry of Commerce (Form S.Bor.Chor. 3).
Preparation and filing of the annual withholding tax return on salaries and wages (Form P.N.D. 1 Kor).
Preparation of the annual employee summary report (Form G.Tor.20 Kor) and submission to the Social Security Office.

Audit services.

Confidence in accuracy with audit services performed by licensed Certified Public Accountants (CPAs).

We provide audit services in accordance with the standards set by the Federation of Accounting Professions, focusing on transparency, accuracy, and reliability to build confidence for business owners, investors, and external agencies.

(Financial statements can be prepared in English.)

Service fees start at 5,000 THB per month.

Company registration services.

Make every step of starting your business easy with our comprehensive registration services.

We provide business entity registration and all types of business information updates, handled by a professional team offering close consultation every step of the way—so your business can start with confidence.

✔️ Company Limited Registration (Co., Ltd.)

✔️ Limited partnership registration (Partnership Ltd.)

✔️ Business registration (for individuals and juristic persons).

✔️ Register for Value Added Tax (VAT)

✔️ Register for Social Security / Workmen’s Compensation Fund.

✔️ Trademark registration.

✔️ Amendment registration of the Memorandum of Association (MOA).

Accounting system setup services.

Set up a professional accounting system to support the growth of your business.

A good accounting system is the essential foundation of any business. We are ready to help your company establish an efficient, accurate, and auditable accounting system that supports both daily operations and future business expansion.

✔️ Set up the Chart of Accounts structure.

✔️ Establish a document management system and voucher filing procedures.

✔️ Define the accounting department’s workflow procedures.

✔️ Implement internal control systems related to finance and accounting.

✔️ Provide recommendations for selecting the most suitable accounting software.

✔️ Train accounting staff to use the newly implemented system.

Accounting consultation services.

Expert consultation to help your business make confident decisions.

Proper accounting management from the start is essential for sustainable business growth. We are ready to be your trusted accounting advisors, providing professional guidance every step of the way.

✔️ Provide consultation on accurate accounting entries in compliance with standards.

✔️ Analyze accounting issues and provide recommended solutions.

✔️ Conduct preliminary internal accounting system audits.

✔️ Provide preliminary tax planning for accuracy and cost savings.

✔️ Provide preliminary tax planning to ensure accuracy and optimize cost savings.

✔️ Provide guidance before submitting financial statements.

Contactus

Smile Professional Acoounting Service Co.,Ltd.

เลขที่ 195 ถนนงามวงศ์วาน ตำบลบางเขน อำเภอเมืองนนทบุรี จังหวัดนนทบุรี 11000