People at the Heart of Every Solution

Inspired Minds, Exceptional Standards

Driven by accuracy, clarity, and a forward-looking approach, our interdisciplinary accounting, payroll and legal teams bring the energy and expertise necessary to tackle complex challenges confidently. 

Combining strong technical expertise with an in-depth understanding of Thai accounting, tax and legal requirements, our team of qualified accountants and lawyers ensures our solutions are precise, effective, and up to the highest standards. 

Our Xero-certified advisors and tech-enabled workflows provide clients with smarter, faster, and more transparent ways of working. 

United as one team, open, engaged, and proactive. We deliver solutions that expand possibilities and assist clients move forward with complete confidence.

The values shaping our culture

We believe a strong culture begins with shared values, integrity, responsibility, and doing things the right way. Our team combines deep technical expertise with genuine care for our clients, creating an environment where professionalism and thoughtful service are our top priorities. Every individual at AO plays a crucial role in strengthening our collaborative and supportive workplace. These values guide how we work, make decisions, and stand beside our clients. Together, we uphold the standards that define AO and drive our continued progress.

30k
Diverse talent & perspectives

Our team includes management consultants, data scientists, engineers, venture architects, and more, operating in over 10 countries.

~900
Commitment to social impact

In 2022, we successfully executed social impact consulting projects.

100+
Partnering for greater value

We are proud to be a leading organization in our global partner ecosystem.

Our Leadership Team

Our team blends diverse industry experience with a collaborative mindset. We’re dedicated to delivering high-quality work, transparent communication, and a culture where each member’s strengths are recognised. Together, we turn insights into action to help your business progress confidently.

Dominik Heer

Chairman

Alan Lonie

Executive Chairman

Chuanpit Ngamsanga

Senior Legal Director

Waraporn Nonsung

Accounting Director

Tongta Rungutai

Manager

Siwimon Muijinda

Manager

Patchanok Jongpermwatthanapol

Manager

Krinya Heer

Marketing & Communication Director