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 – Managing Director

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


Zaw Erskine  – Executive Director

Zaw is a chartered accountant with the ICAEW. He has worked in the UK, Malaysia, Myanmar and Thailand. Zaw began his career working in audit in London, before moving to Yangon to set up the offices of a large international audit and accounting company there. He then joined the largest retailer in Myanmar as a Financial Controller, before moving to their corporate head office as the Head of Group Strategy. Zaw has extensive experience of financial planning and analysis, IFRS reporting and group consolidations. He is also experienced in stakeholder management, company restructuring, and the implementation of internal controls.

His strengths include:

  • Financial analysis
  • Performance analysis
  • Planning, budgeting & forecasting
  • Internal controls


Suwaree Lipikornsuktaweekul – Senior manager

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 – Manager

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 – Manager

Tongta has over 16 year work experience in accounting, and has been an important part of the AO team since joining in 2007. She began her career working for an audit firm before moving into the accounting side, initially with The Nation Group, and then Italian Fashion. She has also worked for a number of multinational companies including TNT Logistics where she was the accounting manager. She has a good understanding of both Thai and international accounting practices.

Panuwat Krinseangdee  – Manager

Panuwat Klinsiengdee is an accounting graduate from Huachiew Chalermprakiet University. With over 15 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 customers monthly, quarterly and yearly end closing, generates monthly financial statements which support the consolidation of financial reports to headquarters, supports the external audits and responds to requests from auditors. He has an excellent knowledge of finance and accounting procedures.

Boonyada Changchortkittikoon – Manager

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 – Manager

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.


"...We have been using Administration Outsourcing's service for the past 3 years and have found them extremely easy to work with. Their staff is well trained, competent, reliable and proactive. Their understanding of various types of businesses and their efficient work reflect the rapid development of our business. We also received a great deal of benefits from their financial advice and financial planning services leaving us to concentrate on our main legal work. We would have no hesitation recommending Administration Outsourcing to other businesses..."
Nippita Pukdeetanakul
Managing Director ,

JNP Legal Co., Ltd.

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