SONATRA Location in Phnom Penh.
+855 23 223 256 (Head Office)

  • Main Slideshow 4
  • Main Slideshow 1
  • Main Slideshow 3
East Wing Auditing & Consulting

Corporate Profile
East Wing Group was founded in Japan by Mr. Tetsuji Nagata, MBA and later partnered Mr. Michael Koh, CPA of Singapore who has been in practice under his corporate secretarial and accounting company established since 1995. Since then it has advanced into a diversified service group with business in asset management, auditing, micro-finance, food services and corporate advisory. We operate now in Cambodia, Japan, Malaysia, Singapore and Vietnam.

Group Structure

East Wing Group provides auditing and assurance services for a wide range of industries for small and medium enterprises, multinational corporations and subsidiaries of local and overseas listed companies and participate in multi-country and cross boarder audit and assignments.

Our services cover statutory and regulatory audit, internal audit and special audit. The assurance approach does not focus merely in the financial statements of an organization, but also enhancing its business operations, ensuring the quality of financial information and reducing compliance costs. The internal audit we provide is for effective management control, proactive risk Management, good corporate governance and ongoing process improvement required in today’s best practices for management and capital market.

Drawing on knowledge, skill and experience gathered over 30 years, our team not only perform book keeping, tax filling and corporate secretarial works, we are now capable of rendering merger and acquisition, IPO, restructuring, asset management, tax planning, IT consultancy and HR referrals to small and medium enterprises and foreign establishments in the jurisdictions the Group operates. Over the years, our clients have been unwavering in their trust and support on our services and today we have more than 100 esteem clients our list,

Track Record

  • Manage and Advise Singapore SGX and Catalyst Listed Companies
  • Provide Strategic Business Advise to Stainless Steel, Household Furnishing, Electric Switchgear, Ready-mix Concrete businesses
  • Set Up French Computer Software Research & Development business
  • Restructuring Construction Pre-Cast Supply and Manufacturing and FMCG Distribution businesses
  • Attracting and managing New Investments & Major Brands
  • Manage Investors’ and Financial Institutions ‘Relationships
  • Established Korean Mobile Phone Channel
  • Setting Up Japanese Convenient Market Chain
  • Trade negotiation for major US Industrial Machinery representation
  • Established Japanese Food services and Managing Hotel Chains
  • Joint Venture for Japanese companies
  • Investing in Pre-IPO Vietnamese companies
  • Conduct Feasibility Study in Chengdu and Chong Qing
  • Established Ready Mixed Concrete and Trading Business in China
  • Provide Accounting and Payroll services to a French international fashion chain

Management Team
Oknha Sorn Sokna is the Chairman of East Wing Auditing & Consulting Co., Ltd. He is the Fouder and Chairman of the Financial Institute of Cambodia (FIC) and Sonatra Microfinance Plc. He is the CEO of Sonatra Securities Plc and also Chairman of Agrotech Vita Co., Ltd. He currently serves as vice President of Cambodia Chamber of Commerce (since 1999) and First Vice-President of the Cambodia Chamber of Professionals and Micro Enterprises (since 2006). He was the Co-Founder and had been a vice Chairman of Sokimex Group for more than 18 years. Tetsuji Nagata, MBA (USA), heading asset management, is Founder and CEO of East Wing Asset Management Corporation, a pioneer Japanese fund management company investing ito Vietnam market, a board member of Vietnamese listed company, and an academic board member of FIC (Financial Institution of Cambodia)

Michael Koh, CPA (Australia), heading corporate advisory, is engaged as a director for a Singapore SGX-listed stainless steel distribution and manufacturing group, was CFO in a leading Vietnamese diversified distribution group with annual revenue over USD 100m, and a member to CPA Australia Vietnam Advisory Committee and also an independent director of a Singapore Catalyst-listed company.

Mr Colin Lee Chia Sin is a Fellow Member of the Association of Chartered Certified Accountant (FCCA) & a practicing member of Institute of Certified Public Accountants of Singapore (ICPAS) & a Chartered Accountant of the Malysia Institute of Accountants (CA) with over 10years experience in the areas of auditiong & financial accounting. He is currently a practicing Public Accountant in Singapore serving various multinational clients across different industrial field.

Chairman : Oknha Sorn Sokna
CEO : Mr. Tetuji Nagata

Home     |    About Us     |    Careers     |    Contact Us
Head Office :

#432 Preah Monivong Blvd, Sangkat Tonle Bassac
Khan Chamkarmon, Phnom Penh, Cambodia.


Sonatra Group Map Head Office

Copyright © Sonatra Group. All Rights Reserved