
ABOUT US
First Gains Business Consulting is led by professionals with over 20 years of expertise in accounting and more than 10 years of business consulting experience. We provide comprehensive services covering accounting, taxation, HR systems, and strategic business planning. Our firm is built on strong professional backgrounds and proven industry knowledge, ensuring that every client receives reliable, practical, and sustainable solutions.

Our Services
Explore our range of services designed to address your specific financial needs and drive your business growth.
Start Up Business & Company Registration in Thailand
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Company registration, Limited Partnership, Commercial Registration
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TAX Identification Number Registration
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Value Added Tax (VAT) Registration
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Representative Office License
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BOI Promotion License
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Foreign Business Certificate (FBC)
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Foreign Business License (FBL)
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Business Operation Licenses Certificates
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Amendment of Company Registration
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Liquidation of Company
Account and Tax Consulting Services
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Bookkeeping
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Monthly and Annual Financial Reporting (in Thai and English)
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Monthly Accounting Review and Financial Statement Analysis
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Preparation and Submission of Withholding Tax and Value Added Tax (VAT) to the Revenue Department
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Preparation and Submission Annual Tax (PND.50) and Half Year Tax (PND.51)
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Submission of Financial Statements to the Department of Business Development (E-Filing)
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Accounting System Setup
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Tax Planning and Advisory
Human Resource Consulting Service
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Visa and Work Permit Apply
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Social Security Registration for Employers and Employees
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Calculation for Salary, Wage, Welfare, Social Security Fund, Personal Income Tax (Payroll)
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Submission of Personal Income Tax
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Submission of Social Security Fund
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Calculation and submission of Workmen’s Compensation Fund
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Consultation for Personal Income Tax Planning
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Advisory, Drafting, and Implementation of Company Regulations
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Consultation and Advisory on Human Resource Matters
Creative Solutions
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Corporate Branding
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Logo Designing
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Brochure / Flyer Designing
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Corporate video
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Website design & Hosting
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TV Commercials
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Social Media Creations
Why Choose Us
At First Gains Business Consulting, we focus on providing clear, practical, and reliable solutions in accounting and tax.
Our team ensures compliance with Thai laws and regulations while supporting your business operations with timely advice and straightforward guidance.
We are committed to being a trusted partner who helps you handle financial matters with confidence.
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Decades of Expertise
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Comprehensive Services
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Tailored Solutions for Your Success
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Reliable & Practical Guidance
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A Partner in Your Growth

Our Clients
At First Gains Business Consulting, we are proud to work with a diverse range of businesses across industries. Our clients trust us to deliver reliable accounting, taxation, HR, and strategic business solutions that support their growth and long-term success.
Below are some of the valued organizations we’ve partnered with — a reflection of the strong relationships we’ve built and the results we’ve achieved together.


Bluebird Intertrade Co., Ltd.
Success Stories
Thank you very much for the helpful advice.
I have gained clear knowledge and direction in managing accounting, tax, and finance.
Supaporn Phoman
The consulting service is clear, able to solve problems and answer questions with accurate legal references. It provides business operation guidelines that comply with laws in business, human resources, and taxation. The team also responds quickly and gives effective advice on tax planning.
Sumallika Yamaguchi
S S & T GROUP CO., LTD.
I am very impressed with the services of First Gains Business Consulting.
The team provides professional advice, takes care of documents and accounting tasks with great attention to detail, and always delivers on time.
Their support has ensured that our business runs smoothly and with full confidence in legal compliance.
Pariya Techanirattisai
Bluebird Intertrade Co., Ltd.
At first, I was very worried about filing my personal income tax because I didn’t fully understand the regulations and process.
The team explained everything clearly and patiently, which made it so much easier for me.
Now I feel confident and relieved knowing my taxes are filed correctly. Thank you for the genuine support.
Wanidcha Wichitchanyalers
Contact Us
