Due Diligence

In Asia & Beyond.

I-OnAsia is the market leader for due diligence on global companies connected to Asia's markets.

I-OnAsia is Asia's due diligence market leader.  
I-OnAsia has set the market standard for Pre-IPO Due Diligence in advance of public stock offerings by Hong Kong and Chinese companies on the Hong Kong Stock Exchange and other exchanges.  I-OnAsia performed due diligence on more than 30% of all companies going IPO in Hong Kong in 2019.
I-OnAsia's global due diligence reach builds on the experience of our dedicated team. 
Our team is constantly active on live deals.  So, we understand today's market and the importance of forward-thinking due diligence to shareholders, boards of directors, and global regulators.  I-OnAsia has a twenty-year track record of excellence.  Clients include premier venture and hedge funds, the corporate compliance and legal departments of large financials and non-financial institutions, strategic investors, and professional advisers.

All Diligence Case Are Unique.

We Specialize In Four Types.

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    Satisfy Requirements

    This is a due diligence type for companies listing on the Hong Kong Stock Exchange.

    It is also useful for companies preparing to list on foreign exchanges, including in the United States and Europe.

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    Go Beyond The Records

    This is a due diligence type that includes public records, cyber and dark web reviews, as well as interviews of individuals with likely knowledge of an enterprise, the activities of the business, or the reputations of key personnel.

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    Real Estate

    Prevent Real Estate Fraud

    This is a due diligence type for substantial commercial transactions and investments.

    Real Estate is a special asset class.  Public corruption, fraud, organized crime, errors, community or regulatory disapproval can halt a project.

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    Diligence For Our Future

    This is a due diligence type for institutional investors and other stakeholders concerned about Environmental, Social, and Governance Issues.

    I-OnAsia ESG Due Diligence focuses on uncovering activities that could be damaging for our future, looking beyond standard due diligence topics.

What Clients Say About I-OnAsia's Due Diligence

"You got insights we couldn't have from any other vendor."

"Great speed."


"Very satisfied."

 "Would highly recommend."

Each I-OnAsia Office

Conducts Local Due Diligence.


Hong Kong

Company Founded in 2001.

In addition to handling IPO cases, our China offices handle due diligence on behalf of venture and hedge fund investors, direct investors and wealthy families.  The Hong Kong office also coordinates work emanating from Asia but performed in other parts of the world.

We have a full team of experienced researchers working in Chinese, Tagalog, Bahasa, Japanese, and other local languages.


New York

Office Established 2004.

I-OnAsia's New York office handles due diligence work both in the United States and internationally.  Local resources include all standard and advanced U.S. databases. 


Global capabilities extend to every continent.  (Yes, even Antarctica.)

London City


Office Re-Established 2019.

Led by Britain's 2019 Investigator of the Year, a former international law enforcement officer and government investigator, I-OnAsia conducts due diligence in the United Kingdom and beyond.  Local due diligence in the U.K. and the E.U. conforms with GDPR.  What makes I-OnAsia special for conducting due diligence?  Our global perspective and experience.  No other team understands the global picture.

About Us


I-OnAsia is a global risk management consultancy.  Our company has a twenty-year track record of success.  We are Asia's market leader in critical areas of Due Diligence, Crisis Management, Security ServicesCorporate Investigations, and Litigation SupportOur teams in New York and London have a superior understanding of Asia, and also solve local problems. Experience matters.  I-OnAsia has completed more than 17,000 cases.  Clients benefit from our hard-earned insights and global reach.  

I-OnAsia Limited

Unit E, 18/F., Legend Tower
7 Shing Yip Street
Kwun Tong Kowloon
Hong Kong

Send Us A Quick Email Here

Tel: (+852) 2896 4489
Fax: (+852) 2146 7897

I-OnAsia is an Equal Opportunity Employer

© 2001-2020 I-OnAsia Limited