Following are private investigators and investigation agencies in the state of Wisconsin. Before hiring a detective or agency, contact the appropriate state licensing authority to confirm current license information:
Wisconsin Department of Regulation & Licensing
P.O. Box 8935
Madison, WI 53708
Hire a Private Investigator in Wisconsin
The following list is in alphabetical order and is by no means a ranking. We encourage you to evaluate each detective’s services and select the most appropriate provider based on your individual needs. Take the time to review their website (if available) and call several different investigators to ask questions and get price quotes.
To learn more, read our article Tips for hiring a P.I.
Advanced Surveillance Group
Owner – Patrick McManigal
17125 West Bluemound Road #113 Brookfield, Wisconsin 53005
Telephone – 414-258-2223
FAX – 4142582268
Our company performs surveillance investigations, recorded statements and AOE/COE investigations for insurance companies, law firms and third party administrators. Servicing the insurance defense industry for over 18 years we have the experience to assist you in your liability cases.
We take great pride in our client relationships and will work hard to earn and keep your business on a daily bases. Should you have a need we can fulfill, please allow us to the opportunity to show you the merits of our service.
Thank you and best regards.
Advanced Surveillance Group Inc.
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Badger State Reporting Service
Owner – Wisconsin Investigative Services
Telephone – 800.408.1496
Badger State Reporting Service provides professional investigation and documentation to Wisconsin’s insurance defense industry, third-party administrators, and individuals. We employ a diverse group of highly experienced investigators who provide a wealth of video evidence and court-ready reports for your hardest cases. We bill at one of the lowest daily-rates in Wisconsin while producing more documentation than our competitors. Take a look at our website and give us a call today.
C3 Detective Agency
Owner – Christopher Catania
PO Box 3312, Oshkosh, Wisconsin 54903
Telephone – 1-877-895-8338
FAX – 1-877-400-6787
Private Detective Agency in Wisconsin
Central States Investigation Agency
Owner – Joshua Erickson Investigator
PO Box 337, La Crosse, WI 54602-0337
Telephone – 608-519-3401
FAX – 888-896-1287
Central States Investigation Agency, LLC is a licensed private investigation agency specializing in Surveillance services (Domestic, Child Custody/Support, Insurance), Electronic “Bug” Sweeps, employment verification, background checks, process services and more.
License No: 16548-062
We are a members of:
PAWLI – Professional Association of Wisconsin Licensed Investigators
NAPPS – National Association of Professional Process Servers
NAIS – National Association of Investigative Specialist
We understand your situation is unique, with that in mind we will take the time to understand your situation and present you with options specifically tailored to your situation.
Call NOW for a FREE and confidential consultation. 1-608-519-3401
Drews-Alan Detective Agency
Owner – Catherine Hansen/ Owner
PO BOX 070208, Milwaukee, WI 53207
Telephone – 414-628-4784
FAX – 414-763-6375
Drews-Alan Detective Agency is a female owned and operated agency that specializes in Worker’s Compensation, Liability, and Disability Surveillance, Background Investigations and Research for the Insurance Industry, Employers, and their Attorneys. Drews-Alan Detective Agency is licensed to practice in Wisconsin and Illinois and holds a comprehensive liability insurance policy with West Bend Mutual Insurance Company.
Wisconsin License #16519-062
Illinois License #0129-219933
Owner – Dominick Locascio
P.O. Box 485 Dubuque, IA 52004
Telephone – (563) 663-4131
Dubuque Investigations specializes in discreet, professional, confidential investigative services for clients and law firms in Dubuque County and the entire State of Iowa. We stay in touch with you during your investigation and you will not have to wait for results. Headquartered in Dubuque, Dubuque Investigations is a full-service detective agency, available to conduct investigations for attorneys, businesses, insurance companies, and individuals. Dubuque Investigations is here to help with all your investigative needs. Meeting your needs is our top priority. We are available 24 hours a day, 365 days a year.
Mapleton Investigations, LLC
Owner – Kevin Keyser, Owner
24 South Main Street, Oconomowoc, WI 53066
Telephone – 262-567-5770
FAX – 920-474-7017
Mapleton Investigations, WI License: #16449-062, is a full service investigative agency serving attorneys, corporations, insurance firms and private citizens throughout the State of Wisconsin.
At Mapleton Investigations, our clients receive the individual attention necessary to investigate their specific needs. We provide you with expedient results and indisputable video and photographic evidence acknowledged by today’s court system.
Our professional services include: video surveillance, criminal/civil investigations, medical clinic inspections, Insurance fraud, and a variety of other professional, confidential services.
Net-Result Investigations Group
E5850 South Shore Drive Weyauwega, WI 54983
Telephone – 9208674766
Internet based investigations. Anti-piracy, DMCA experienced. Infiltrate piracy/hacking rings and identify key players. Surveillance of forums, websites, IRC and UseNet groups. Computer Forensic, electronic evidence discovery and expert witness support. Excellent references.
Professional S&I Services LLC
Owner – Michael Schuetz
P.O. Box 202 Kennan, Wisconsin 54537
WE are a veteran owned Licensed (#16954-62)Security and Private Detective agency located in Kennan, Wisconsin. We specialize in Private Pre-Sentence reports and Criminal Defense investigations. We also provide home and business security systems in Wisconsin. We offer a number of other investigative services to include pre-employment background investigations, child custody and insurance fraud.
Owner – Charles Charpentier, Private Investigator
N5971 2nd Avenue, Oxford, Wisconsin 53952
Telephone – 608-697-0346
Serving attorneys, businesses and individuals since 1994. Missing Persons Specialist, Skip Tracing, Civil & Criminal Investigations, Process Service.
VanGuilder Investigations & Protection Services
Owner – Detective Eric T. VanGuilder
3607 Great Bear Trailway Danbury, Wisconsin 54830
Telephone (715) 259-7266
FAX (715) 259-7342
Full Services Licensed Detective Agency. Providing all types of professional investigations i.e. criminal, civil, personal injury, accident etc., surveillance, background investigations, evidence collection, trial preparation, witness interviewing, and process serving. Available 24/7. Serving the Northern and Northwestern Wisconsin Area.
Watch N U Investigative Agency
Owner – Brenda Nemitz / Owner
W8664 Lone Elm Road, Van Dyne WI 54979
Our main areas of investigative work include; alleged workers compensation, fraud cases and personal injury cases for insurance companies. All other investigative services are available such as criminal, child abuse and child custody, divorcees, process server. I have over 7 years of investigative and 9 years of law enforcement experience. We cover Central Wisconsin and State wide, if requested. References are available upon request.