Madsen Investigations LLC Share: Other Services (except Public Administration) Visit Website Request Info 214 East 500 South Salt Lake City, UT 84111 (801) 631-0577 About Map About Our specialties include locating and interviewing witnesses, background searches, locates and skip tracing, testifying and assisting lawyers in court, and preparing detailed reports. What's Nearby? Distance: 5 10 15 20 25 50 mi. Sign up with your email address to receive news and updates. Email Address Subscribe We respect your privacy! Thank you!