Your Trusted Business Partner for Over 20 Years
M&A Accounting and Tax Co., Ltd. is a Bangkok-based firm providing accounting, tax, payroll, IT, and back-office outsourcing services.
Founded in 2001, we have supported foreign investors — especially Japanese businesses — with reliable and multilingual financial solutions.
As an ISO 9001:2015 certified firm and recipient of the 2024 Platinum Award for Thailand Digital Accounting Firm, we bring quality, innovation, and experience to help our clients grow with confidence.
Our Services
Accounting Services
We provide comprehensive monthly and annual accounting services in full compliance with International Financial Reporting Standards (IFRS) or Thai Financial Standards for Non-Publicly Accountable Entities (NPAE). All financial statements are prepared and reviewed by licensed accountants certified by the Thailand Federation of Accounting Professions (TFAC).
Let our experienced team ensure your business stays compliant, accurate, and always audit-ready—so you can focus on growing your business.
Tax Services
We offer full-service tax compliance solutions in strict accordance with Thai tax regulations. All filings are prepared and submitted by experienced professionals to ensure accuracy, timeliness, and legal compliance.
Trust M & A for accurate, timely, and compliant tax services—so you can focus on your business with confidence.
Payroll Services
We provide comprehensive payroll processing services to ensure your employees are paid correctly and on time, while staying fully compliant with Thai labor and tax laws.
With M & A, you get reliable, confidential, and fully managed payroll services, allowing your HR and finance teams to focus on core business operations.
Consulting Services
We provide tailored consulting services to help businesses overcome challenges, improve performance, and ensure compliance with Thai regulations and international standards such as TFRS and IFRS.
Our experienced consultants deliver practical, strategic solutions based on your unique business needs.
IT Services
We provide end-to-end Managed IT Services and custom web-based applications to simplify your technology needs—so you can focus on running your business.
Whether you’re a growing business or a larger organization, our IT solutions are scalable, secure, and tailored to your need
Back Office & Administrative Services
We provide full-scale Back Office and Administrative Services to help your business run efficiently—so you can focus on strategic growth. Our team works as an extension of your company, handling time-consuming tasks with accuracy, confidentiality, and care.
With M & A as your back office partner, your operations stay compliant, organized, and stress-free—giving you more time to focus on growth.
Why Choose Us ?
Industries Served
ESG
M & A Accounting and Tax Co., Ltd. are proud to integrate Environmental, Social, and Governance (ESG) principles into the core of our accounting, tax, and digital service offerings.
As an ISO 9001:2015 Certified firm and a Platinum Award Winner for Digital Accounting Firm in Thailand, we uphold the highest standards of quality, transparency, and innovation—while helping our clients do the same.
Environmental Responsibility Through Digitalization
As a leading digital accounting firm, we actively reduce environmental impact by:
- Promoting paperless accounting through our in-house web-based platforms (e.g., Zigma, DMS, e-Delivery)
- Offering cloud-based financial solutions that eliminate the need for physical storage and reduce IT infrastructure footprint
- Encouraging remote document access and digital collaboration to minimize business travel and physical file transfers
- Supporting clients in transitioning to sustainable, digital-first finance operations
By digitalizing your financial processes, you’re not only improving efficiency—you’re reducing your company’s carbon footprint.
Social Responsibility in Professional Services
We believe that social impact begins with ethical service, a strong team, and community involvement. Our commitments include:
- Providing fair and inclusive employment practices across our workforce
- Ensuring employee well-being, legal compliance, and professional development
- Offering training and mentorship to support digital skills and career growth
- Serving our clients with honesty, respect, and transparency in all engagements
We also contribute to the Thai business ecosystem by promoting digital literacy and compliance excellence in SMEs and corporations.
Governance Built on Compliance & Trust
As an accounting and tax advisory firm, we understand the critical importance of governance—for both our firm and our clients. We maintain:
- Rigorous internal controls and compliance with Thai laws and international standards
- Strong data privacy and cybersecurity policies across all digital platforms
- Clear documentation and audit trails supported by our Document Management System (DMS)
- Transparent, ethical, and client-first business practices
Our ISO 9001:2015 certification reflects our unwavering commitment to quality, continuous improvement, and responsible governance.
Empowering Clients Toward ESG Goals
Our digital solutions and accounting services are not only about numbers—they’re about helping you operate more sustainably and responsibly. Whether it’s:
- Real-time financial reporting with Zigma,
- Transparent Accounts Payable workflows,
- Efficient HR and time management tools,
- Or digital document traceability,
We help your business stay compliant, efficient, and aligned with ESG best practices.
Join Us in Building a Responsible Future
As a trusted partner to businesses across Thailand and the region, M & A Accounting and Tax Co., Ltd. is proud to lead the way in combining ESG values with accounting excellence and digital transformation.
Let’s build a future that’s not only financially sound—but also environmentally responsible, socially conscious, and governed with integrity.
