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 Five Types.

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.