Licensed CPA + TA-led firm · Bookkeeper registered with DBD

Simplify Your Accounting
A Partner who truly
understands entrepreneurs
at every level.

Bookkeeping, tax filing, and tax planning by licensed CPAs and Tax Advisors — serving SMEs nationwide.

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WACC Service Limited

Accounting Firm

WACC Service Limited

Nationwide service

CPA — Certified Public Accountant

TA — Licensed Tax Advisor

Bookkeeper Registered with DBD

40+

Knowledge Articles

100%

On-Time Filing

24/7

Support

CPA Certified

Licensed CPA

TA Licensed

Tax Advisor Licensed

Bookkeeper DBD

Bookkeeper registered with DBD

Nationwide Service

Digital workflow

24/7 Support

Always Available

Our Services

Complete accounting and tax solutions for your business

Monthly Bookkeeping

Accurate monthly bookkeeping per TFRS standards with monthly reports

  • Income & expense tracking
  • Complete accounting books
  • Monthly financial reports
Contact Us

Annual Tax Filing

Prepare and file annual financial statements and corporate tax returns on time

  • Year-end financial statements
  • File PND.50 with RD
  • Online DBD e-Filing
Contact Us

Company Registration

Register company, partnership, and VAT with Revenue Department

  • Limited company registration
  • Limited partnership registration
  • VAT registration
Contact Us

Social Security & Payroll

Calculate payroll, withholding tax, and monthly social security contributions

  • Employee payroll calculation
  • Withhold & file PND.1
  • SSO Form 1-10 submission
Contact Us

Monthly Tax Filing (RD e-Filing)

Monthly tax filings across all types via RD e-Filing system

  • Monthly PP.30 (VAT) filing
  • PND.3, 53 (WHT) filing
  • PP.36, PND.54 (foreign)
Contact Us

Tax Planning & Advisory

Legal tax planning to minimize tax burden using available incentives

  • Tax structure analysis
  • Tax incentive advisory
  • Year-end closing planning
Contact Us

Why Choose WACC?

More than just an accounting firm — your trusted business partner

Professional CPA & TA Team

Overseen by licensed CPAs and Tax Advisors with extensive professional experience

Always On Time

Tax filing and financial statements delivered on time, every time. No late penalties.

Maximum Tax Savings

Legal tax planning to minimize your tax burden and maximize business profitability

Your Business Is Our Business

We care for your business as if it were our own, with personalized attention and advice

Transparent Pricing

Simple packages for every business size — no hidden fees

Starter

Freelance / Small Shop

฿2,500/month
  • Monthly Bookkeeping
  • Monthly Tax Filing
  • Monthly Reports
Most Popular

Standard

General SME

฿7,000/month
  • Everything in Starter
  • Payroll Management
  • Quarterly Advisory

Premium

Medium Business

฿15,000/month
  • Everything in Standard
  • Monthly Advisory
  • Custom Management Reports

Latest Insights

Stay up to date with tax and accounting news

Tax
Tax

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ทะเบียนสินทรัพย์คืออะไร ทำไมต้องมี อายุขั้นต่ำตาม พรฎ.145 รถ 5 ปี คอมพิวเตอร์ 3 ปี อาคาร 20 ปี ข้อแตกต่างบัญชี vs ภาษี และข้อจำกัด รถยนต์นั่ง 1 ล้านบาท (พรฎ.315)

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Contact Us

Available 24/7 for your accounting needs

Address

556/615 Niche Pride Taopoon-Interchange, Pracha Ratsadon Sai 2 Rd., Bang Sue, Bang Sue, Bangkok 10800