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 about us here.

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

Join Our Organization

The benefits of a CII membership include:

  • 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
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Council News

The International Councilor: 

The October 2022 edition is out now, read it now.

The 2022 AGM Announcement:

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

The CII Scholarship Fund has landed!

Thanks to the generosity of the Willox Family Foundation, CII established a scholarship fund for the benefit of CII members and their immediate family. 

Members-only CII Educational Website:

Log in and learn at CII Education. Login and password information can be found on the Member's Only Page.

CII brochure:

Download the CII Brochure now.

The CII is affiliated with:

ABL      Integra International