Established in 1955, our collective skill set covers virtually every aspect of the investigative spectrum and our individual members are known worldwide for their expertise. Our standards for membership are among the most rigorous in the profession.

Read More


Locate and Hire an Investigator Worldwide

CII has the network and specialists available for your investigative needs. The Council’s extensive vetting of members assure the client that the issues for investigation will be handled effectively and diligently.

Find A Member


CII Listserv

To send messages via the CII listserv address email to [email protected]
You must be a CII member and registered

Friendship and mutual trust exists between CII members.

Benefits of Membership

  • Direct access to a networking opportunities with more than 400 like-minded professionals on 6 continents and over 70 countries
  • Direct access to specialized skills in various investigative specialties
  • Subcontracting and outsourcing opportunities with vetted professionals in virtually all major cities
  • Annual conference held in major cities worldwide, which provides for continued education and networking opportunities
  • Regional meetings around the world
  • CII Certification
  • Member Educational Scholarship Program
  • Quarterly journal
  • Educational portal with over 25 articles, videos, and presentations on best professional & business practices
  • Access to up-to-date industry information
  • Listserv to communicate with professional colleagues
  • Be part of a unique, prestigious organization that has earned the respect of public law enforcement agencies, legislatures, and public officials
Join Today
Read More


The October 2021 edition of The International Councilor is available here: https://pub.lucidpress.com/ee08cd6a-205b-4ba5-8c2e-45c11fa659c0/


The 2022 AGM is planned for the Netherlands

CII is planning a hybrid AGM for September 2022. Our goal is to meet in person in the Netherlands in September 2022. Keep an eye out for the details!


The CII Scholarship Fund has landed!
Thanks to the generosity of the Willox Family Foundation, CII establish a scholarship fund for the benefit of CII members and their immediate family.  The first 6 scholarships were awarded in August 2021. Do you want to apply for 2022? Click on the scholarship tab at the top of this page for more details.


The CII Educational Website is accessible to members only
Log in and learn at
CII Education
Login and password information can be found on the Member's Only Page

The CII brochure is accessible here:  CII Brochure

 The CII is affiliated with the Alliance of Business Lawyers (ABL) and Integra International
The Alliance of Business Lawyers (ABL) is a dynamic global association of leading independent business law firms that is expanding throughout the world. Through it's members, clients have a one stop access point for worldwide legal and tax advice. For more information go to www.ablglobal.net/abl/about


Integra International is an interactive global association of local independent accounting, taxation, auditing, and business consulting firms dedicated to advising businesses around the world. Our member firms contain over 3,000 CPAs, CAs and Business Advisors who share knowledge openly and regularly. . www.integra-international.net