International Business Investigation

Overseas infrastructure
With Tokyo as a base office, our partner in the Los Angles area covers California and our partner Joseph Lee & Associates covers the China market.


Area coverage
D-Quest’s market coverage: Asia, Europe, Russia, America, Canada, South Africa (some areas not serviceable), Oceania, Africa (some areas not serviceable), Middle East, India.
* Investigation pricing in foreign countries depends on the market pricing of that particular country.
* Please don’t hesitate to propose anything for investigation, regardless of country or purpose.
* The planning and estimate phase is free of charge.


Research criteria for company
Our international sales department has business tie-ups with research companies in various countries and our relations with the World Association of Detectives also assists us in maintaining global ties with overseas investigation companies. It is possible to get reliable and trustworthy information for and investigation from a country without an established history of investigative achievements.