Justin Terch, Terch & Associates LLC

Terch & Associates LLC is a comprehensive private detective agency located in Duluth Minnesota. Our unique specialties focus around employee misconduct investigations; corporate and white collar crime; missing persons, skip tracing, and process service; and insurance related investigations.

Website: http://www.terchandassociates.com


5 N. 3rd Ave West, Suite 201
Duluth, MN 55802

Business Phone


Mobile Phone




Business Hours

Our office hours are M-F 9am to 5pm


Background Investigations, Civil Investigation, Corporate Investigations, Covert Video, Criminal Investigations, Document Examination, Dram Shop / Liquor Liability, Elder Abuse Investigations, Insurance, Maritime, Missing Heirs, Missing Persons, Organized Crime, Probate, Probate / Missing Heirs, Process Service, Product Liability, Public Interest Investigations, Public Record Searches, Skip Trace, Surveillance, Undercover, White Collar Crime, Workers Compensation, Workplace Investigations

Coverage Area

Minnesota Private Investigator License: PDC 2129

Counties Covered: Aitkin, Anoka, Beltrami, Benton, Carlton, Cass, Cook, Crow Wing, Isanti, Itasca, Lake, Lake of the Woods, Mille Lacs, Pine, Ramsey, Scott, Sherburne, St Louis, Stearns, Washington


Terch & Associates LLC was founded as a Human Resources consulting firm in 2009 by Justin L. Terch. We have grown to become the largest professional consulting firm in Northeastern Minnesota and we provide general Human Resources consulting and investigations. Prior to starting Terch & Associates, Justin was the managing investigator for a private detective agency that conducted thousands of investigations annually throughout Minnesota and Wisconsin. Our company brings together the a comprehensive suite of services to employers including employment law compliance; performance management system designs; executive recruiting; and workplace investigations.

MAPI sponsors have opportunities to meet with our members at MAPI Events, and to provide materials and information to them about their business.

International Intelligence Network
Atlas Investigations
The National Council of Investigation and Security Services
Carney Forensics
Tracers Information Specialists, Inc.
PI Magazine
BRB Publications
IRB Search
El Dorado Insurance Agency, Inc.
Florida Association of Private Investigators, Inc.
Midwest Questioned Documents
Kelmar Global
Assured Polygraph LLC
National Investigative Training Academy, Inc. (NITA)
Computer Forensics Services, red Computer and logo, black Forensic Services
360 Security Services blue 360, black Security Services and blue and gray triple circle logo
Front Line Consultants
Flashlight NOW
Associates in Forensic Investigations LLC
Glen Bass Investigations
State-Wide Protective Agency
Crescent Investigative Services
Authentic Investigations
Integrous Risk Solutions
Edge Protective Services
ASIA Security
OREP Insurance Services
Spy Shop Round Rock
National Association of Legal Investigators
Private Eye Security