We Never Sleep…. was the motto of the World Famous Pinkerton Detective Agency established in Chicago, Illinois in 1850 by founder Allan Pinkerton.  In the same, honored tradition of this iconic American Company we can also say…. We Never Sleep.

Investigative Operations are conducted around the clock, 24 hours per day, 7 days per week, 365 days per year.  Our office Hours are between 9:00 a.m. to 5:00 p.m. Central Time (Chicago, Illinois – U.S.A.).

Stonehenge Investigations, LLC Founder and Detective Licensee In Charge has been conducting professional investigations and training Private Detective / Investigators since 2003 and Established the Private Detective Agency, Stonehenge Ventures, LLC in 2009.

Located outside Chicago, Illinois we serve Illinois, Wisconsin directly and assign our network of professional contractors to the other regions.  Each Private Investigator / Private Detective assigned to your case are professionally licensed and or permitted by the governmental agency of jurisdiction, when applicable, in the city, county, state or country where the investigations occur.

Contact Us to reserve the dates for your next investigations.  Thank you for visiting our online store.


IL Detective Agency License # 117-001584

WI Detective Agency License # 16793-62

Stonehenge Ventures, LLC – (C) 2016 All Rights Reserved.