Surveillance Countermeasure Investigations in Winnipeg, Manitoba.

Sweeps:  If you suspect that your home, office, business or car is bugged with a hidden audio, video or tracking recording device,  we can carry out a discreet sweep of your location to detect the following devices:  
  • Wireless Microphones

  • Wired and Wireless Cameras

  • Audio Transmitter Bugs

  • Video Transmitters

  • GPS tracking device (when the device is transmitting a signal)

  • Wireless / Transmitter Bugs

  • GPS Vehicle Tracking Devices

  • All types of Concealed Transmitters

  • All types of Hidden Video Cameras

  • Computer and Fax Eavesdropping Transmitters

  • “Series” and “Parallel” Telephone Transmitters

  • Bumper Beepers &  Body Worn Transmitters

  • All types of infinity devices

  • Wireless tapping devices with or without with VOX function

  • Telephone taps (wired and IP phones)

  • Tapping device for vehicles

  • Illegal Phone Bridging

  • Voice Recorders

  • Parabolic Reflectors

  • Laser tapping

Why choose Duncan Investigations Inc.?

DUNCAN INVESTIGATIONS INC., is an international investigation firm committed to the highest standards in the industry and our success is measured by the results that we achieve for our clients.


Our Competitive Advantage

Unparalleled experience – We are longest-serving and founding investigation company in Manitoba.

Innovative:  We are able to address your concerns immediately.   Our results are fast because we have streamlined the process of case management by assigning an experienced investigator immediately to your file.   The investigator will communicate with you regularly throughout the assignment.

Value-added Service:  We are focused on the end result with each assignment.  This is what sets us apart from our competitors.  We grow by exceptional customer service.

Advanced Technology:   We are constantly researching and providing the latest technology to surpass our competition.

Cost effective:  We have local and international coverage without the high overhead costs.

Availability:  We are available 24/7 to serve our clients and do what it takes to get the assignment completed.

Our local phone number is (204) 233-3439.  Our-toll free number is 1-877-233-2002.  Email us at   Our website address is