Accounting Service

📊 Professional Bookkeeping & Tax Compliance | Guan Yu CPA Firm

Led by Managing Partner Guan-Yu Liao (M.S. in Accounting, NTU), our professional team provides one-stop bookkeeping and tax filing services for businesses across Taiwan. Transparent pricing, high efficiency, and legal tax compliance help you mitigate audit risks and focus on your core business growth with complete peace of mind.

Professional Bookkeeping and Tax Compliance Services Taiwan

💰 Bookkeeping & Tax Compliance Service Fees

Entity Type / Business Structure Invoicing & Transaction Method Monthly Fee
🏢 Companies & Sole Proprietorships Government Uniform Invoice (GUI / e-GUI) Issuing NT$2,500 / month+
🌐 Foreign Business / Project Entities Includes Import/Export, Foreign Capital, or High Transaction Volume Custom Scope & Quote
※ Bookkeeping fees are billed on a 14-month annual basis (12 monthly fees + 1 month for annual Corporate Income Tax filing + 1 month for annual withholding & year-end closing).
※ Final rates are flexibly adjusted based on invoice volume, transaction complexity, annual turnover, and industry sector.
Accounting and Tax Compliance Services

📋 6 Core Bookkeeping & Tax Services

1. 🧾 Voucher Verification & Journalizing

Systematic organization of sales/purchase invoices, receipts, and vouchers, recorded in full compliance with the Commercial Accounting Act.

2. 📈 Bimonthly Business Tax / VAT Returns

Filing Business Tax (VAT) with the National Taxation Bureau before the 15th of every odd month (Jan, Mar, May, Jul, Sep, Nov).

3. 🏢 Annual Corporate Income Tax Filing

Annual CIT settlement filing every May, evaluating expanded audit method, income standard, or actual audit filing for maximum tax efficiency.

4. 📑 Income Withholding Compliance

Filing withholding certificates for salaries, rentals, and professional service fees every January, issuing tax statement certificates.

5. 📊 Financial Statement Preparation

Regular preparation of Balance Sheets and Income Statements to give business owners clear visibility over operations and cost structure.

6. 💡 Ongoing Financial & Tax Advisory

Expert CPA guidance on invoicing rules, voucher legality, shareholder dividend distribution, and preemptive tax risk mitigation.

Taiwan Corporate Tax Filing Schedule and Timeline

🗓️ Taiwan Corporate Tax Filing Schedule

📅 January
Income Withholding Filing
Nov-Dec Business Tax (VAT)
📅 March / May
Jan-Feb Business Tax (Mar)
May Corporate Income Tax
📅 July / September
May-Jun Business Tax (Jul)
Provisional CIT Payment (Sep)
📅 November
Sep-Oct Business Tax Filing
Year-End Tax Review & Planning

📍 Service Coverage

Based in Taichung with deep local ties, while serving international investors and nationwide businesses via secure digital channels:

📍 Taichung Region In-Person Consultations

Our office is situated in Central District, Taichung. We have thorough experience working with local Tax Bureaux and City Administrations:

Xitun District Beitun District Nantun District West District Central District East District North District South District Taiping District Dali District Fengyuan District All Taichung Districts
🌐 Global & Remote Digital Accounting

Utilizing cloud-based technology and secure messaging platforms, we provide uninterrupted accounting services across Taiwan and worldwide:

Taipei / New Taipei Taoyuan / Hsinchu Tainan / Kaohsiung Nationwide Taiwan Cross-Border & Foreign Businesses

💡 Leave Accounting to CPAs & Focus on Growing Your Business!

Contact Guan Yu CPA Firm today to receive a customized quote and tax planning consultation tailored to your company.