“ We create a future of purpose and trust "
We provide comprehensive accounting services, covering audit and assurance, IPO readiness, internal control systems, payroll, bookkeeping, taxation, legal services, and business advisory. With expertise across a wide range of industries both domestically and internationally, we deliver professional services by integrating our work with modern technology.
Years of extensive experience.
Award-winning quality and performance.
Trusted by leading clients.
A dedicated and highly capable team of experts.







Why do over 1,000 clients choose us?
At MMN, we believe that our clients’ success is our success, and we empower our team to reach their full potential. Our team consists of experienced accounting professionals who are committed to delivering high-quality, reliable, and standards-driven services to every client.
Our Mission
Strengthening financial confidence.
Developing and empowering our team to build trust and financial confidence for our clients (HR, Support)
Driving business growth.
Developing standardized service systems to support our clients’ sustainable business growth. (Services)
Building long-term partnerships.
Enhancing client communication to build strong and sustainable long-term relationships. (Growth)
Accounting and Advisory Services.
Audit and Assurance Services.
We help organizations build and maintain trust with stakeholders through transparent, reliable, and high-quality audit and assurance services.
Business Advisory Services.
We help organizations review and improve their operating models to adapt to change with agility and create real value for clients, employees, and stakeholders.
Business Process Management Services.
We help design and improve non-core business processes to enhance efficiency through flexible, easily integrated Managed Services solutions that meet real-world operational needs.
Tax Services.
Amid rapidly changing regulations, we provide comprehensive tax services covering corporate tax, indirect tax, international tax planning, and full regulatory compliance.
Legal Services.
We integrate legal advisory with business consulting to deliver comprehensive legal solutions aligned with your organization’s strategic objectives.
Digital Business Support Services.
We help ensure smooth business operations by acting as a central hub for effective coordination between clients, employees, and external partners.
Awards and Recognitions.
Outstanding Digital Accounting Office of the Year 2020
Provincial-Level Excellent Corporate Governance Award, 2012
Prestigious Accounting Office Award
National-Level Excellent Corporate Governance Award, 2015 and 2018
Choose your best plan
ECO
180,000/year
Small Businesses & Startups
Balance
300,000/year
Expanding Businesses
Impact
500,000/year
Businesses Leveraging Accounting for Strategy
Legacy
Start from
100,000/month
IPO-Ready Businesses
CEO Vision
Our Vision
We are committed to being a trusted partner in accounting and organizational development, empowering businesses to grow with purpose on a foundation of integrity, transparency, and clear goals.
Our Partner Team
Dedicated to delivering accounting and tax services that empower and support your success.
นายวรวุฒิ เต็มยิ่งยง
นางสาวศิริกุล เสริมรัตนวิศิษฏ์
นางสาวริญญาภัทร์ ศรีสัจจะเลิศวาจา
The first horizon of a new day, where three teams come together.
Business, Sustainability & Governance Advisory Project for the JUMP+ Program.
The MMN Horizon Team was established through the combined strength and forward-looking vision of three expert partners within the MMN Syndicate: MMN Syndicate, which has been widely recognized for over two decades for its excellence in governance, strong corporate oversight, and risk management; Perfect Group, a pioneer and leader in ESG and Climate Action with deep expertise in driving sustainability, managing climate change, and defining pathways toward Net Zero; and IBEX, a business strategy specialist with extensive experience in shaping strategic direction, driving growth, and enhancing competitive advantage.
Mr. Manit Aongpisut (Nong) Governance Partner, CPA
MMN Syndicate founder
A Certified Public Accountant (CPA) with over 25 years of experience in auditing and internal control advisory, particularly in IPO readiness. His approach emphasizes structured thinking, clarity, and sustainable processes.
Dr. Puttisit Tangsirithanyakul (Nont) Horizon Leader, Business Strategy
IBEX Advisory founder
A strategy and organizational management expert with over 20 years of experience in leading Thai and international organizations, including Deloitte, Siam Piwat, SCB, CPALL, and Bangkok Ranch. His strength lies in integrating business strategy, sustainability development, and executive capability building to deliver tangible results.
Mr. Pallop Chiewcharnwitthayawet (Benz) Sustainability (ESG-Climate Action) Leader
Chief Executive Officer of Perfect Group.
Dedicated to delivering accounting and tax services that empower and support your success.
Mr. Worawut Temyingyong
For students who are eager to learn and ready to gain hands-on experience with us across various fields, such as Accounting.
Ms. Sirikun Sermrattanawisit
Graduated from the Faculty of Accounting, Kasetsart University (2004–2008)
Began his career at EY from 2008 to 2013
Currently working with MMN since 2013 to the present.
Ms. Rinyapat Srisatchalertwaja
Audit Senior Manager
An expert in audit, internal control, and accounting systems advisory with over 20 years of experience serving clients across various industries. Specializes in process improvement, enhancing operational efficiency, and supporting IPO readiness, with a strong focus on accuracy, transparency, and sustainable business development.
Horizon Team
Business, Sustainability & Governance Advisory Project for the JUMP+ Program.
A new horizon, where three teams converge in the first light of a new day.
The MMN Horizon Team was established through the combined strength and forward-looking vision of three expert partners within the MMN Syndicate: MMN Syndicate, which has been widely recognized for over two decades for its excellence in governance, strong corporate oversight, and risk management; Perfect Group, a pioneer and leader in ESG and Climate Action with deep expertise in driving sustainability, managing climate change, and defining pathways toward Net Zero; and IBEX, a business strategy specialist with extensive experience in shaping strategic direction, driving growth, and enhancing competitive advantage.
Mr. Manit Aongpisut (Nong) Governance Partner, CPA
A Certified Public Accountant (CPA) with over 25 years of experience in auditing and internal control advisory, particularly in IPO readiness. His approach emphasizes structured thinking, clarity, and sustainable processes.
Dr. Puttisit Tangsirithanyakul (Nont) Horizon Leader, Business Strategy
A strategy and organizational management expert with over 20 years of experience in leading Thai and international organizations, including Deloitte, Siam Piwat, SCB, CPALL, and Bangkok Ranch. His strength lies in integrating business strategy, sustainability development, and executive capability building to deliver tangible results.ผู้ก่อตั้ง IBEX Advisory
Mr. Pallop Chiewcharnwitthayawet (Benz) Sustainability (ESG-Climate Action) Leader
Chief Executive Officer of Perfect Group with over 20 years of experience in environmental management and business development. He brings strong capabilities in managing and integrating operations across more than eight affiliated companies. His distinct strength lies in combining high-standard environmental expertise into comprehensive and efficient systems, enabling expansion into diverse sectors while consistently delivering professional, high-quality outcomes that meet clients’ needs.
Our Partner
Dedicated to delivering accounting and tax services that empower and support your success.
Mr. Worawut Temyingyong
For students who are eager to learn and ready to gain hands-on experience with us across various fields, such as Accounting.
Ms. Sirikun Sermrattanawisit
Graduated from the Faculty of Accounting, Kasetsart University (2004–2008)
Began her career at EY from 2008 to 2013
Currently working with MMN since 2013 to the present.
Ms. Rinyapat Srisatchalertwaja
Audit Senior Manager
An expert in audit, internal control, and accounting systems advisory with over 20 years of experience serving clients across various industries. Specializes in process improvement, enhancing operational efficiency, and supporting IPO readiness, with a strong focus on accuracy, transparency, and sustainable business development.