The AO Team

The core team at Administration Outsourcing have been working together for over a decade. We believe in teamwork to achieve visible and sustainable results for clients. Below are a few short written accounts of our training and experience.

Peter Upperton

Peter is an approachable matter-of-fact person who understands the issues at hand and offers practical advice which makes commercial sense.
He is a Birmingham University graduate – B. Soc. Sc. (EPS) Hon, and a Chartered Accountant (Fellow of the Institute of Chartered Accountants, London and Sydney(F.C.A.).He is also a Certified Practicing Account (CPA).

He is an effective and competent manager with extensive experience in a wide range of industries in England, Kenya, Australia, New Zealand, Thailand & Hong Kong. He is an innovative self-starter with strong commercial skills, global perspective, and flexibility.

His strengths include:

  • Corporate Turnarounds
  • Finance & administration
  • Development of strategic & operational business plans
  • Planning, budgeting & forecasting
  • Information Technology & reporting systems
  • Teambuilding


Suwaree Lipikornsuktaweekul

Suwaree is an experienced accountant, having been a Finance & Accounting Manager for various companies and industries over more than 20 years. Her experience in the field and effectiveness as a team member are invaluable to our company.

Ornchanok Chimpleenapanont

Khun Ornchanok is an experienced manager and has the ability to multi-task whatever assignment she is given in a short amount of time. Knowledgeable and great with time management, she is an Accounting graduate with over 18 years of experience working with multinational companies across Thailand.

Tongta Rungutai

Khun Tongta is an accounting graduate from Thammasat University. She started off working as an Auditor before moving on to several major positions, also in various multinational companies.

Panuwat Krinseangdee

Khun Panuwat Klinsiengdee is an accounting graduate from Huachiew Chalermprakiet University. With over 10 years of work experience in accounting, he joined Administration Outsourcing in 2008. Prior to that, he worked with the Dutch multinational TNT Express Worldwide (Thailand) Co., Ltd. for 5 years. Currently, Panuwat is responsible for the outsourced accounting needs of several multinational customers and supervises a team of other accountants of our staff. He is a very capable man, with an excellent knowledge of finance and accounting procedures, and a well-respected member of our team.

Boonyada Changchortkittikoon

A highly ethical and focused accounting professional, with a BBA in Accounting, Khun Boonyada has over 10 years working as an accountant in educational, travel, accounting, and transportation companies. She joined Administration Outsourcing in 2009.

Chuanpit Ngamsanga

A lawyer who regularly assists corporate clients on the law governing limited companies, company formation and registration with the regulations of the Ministry of Commerce and Department of Intellectual Property. She advises on Thai company law, labour law, and various policies of the Board of Investment (BOI) in Thailand.
Chuanpit is also a qualified notary.


"...Administration Outsourcing have been overseeing Koll's Company accounts and audits for the last 3 years. Peter Upperton has often gone to great lengths personally to ensure that we are fully compliant with Thai requirements and that I, as MD, am made aware of any issues that could be expose the Company to risk financially. I am extremely grateful to Peter and his team, as they go way beyond the normal levels of service to look after my firm's best interests!..."

Simon Millard
Managing Director
Koll Thailand

Contact Us

Administration Outsourcing Co. Ltd
518/5 Maneeya Center Building, 16th Floor,
Ploenchit Road, Lumpini, Pathumwan,
Bangkok 10330 Thailand

Tel : +66 (0)2 684 1699
or call +66 (0)86 006 2216 (English)

Fax : +66 (0)2 652 0766