Thomas Fischer

​​Investigations LLC​

Our mission at Thomas Fischer Investigations-LLC is to provide you with professional investigative services.  We take pride in our experienced investigators who will work your case to the fullest extent, and provide you with a thorough report so your client or you can make an informed decision.

Licensed to conduct a Full Range of Investigations throughout Wisconsin,including Criminal/Civil, Interview-Interrogations, Skip Tracing Investigations, Surveillance, and Forensic Investigations.

Bonded Detective Agency and Licensed Detectives.

State of Wisconsin Detective Agency #16784-62
Detective License #11713-63

Experienced retired law enforcement officers with combined service of over 100 years.  We have the training/experience in dealing with your client’s needs.  There are many individuals claiming to have the proper credentials to assist you in the defense of your client.  We welcome you to review our credentials and make the decision for yourself.

If it is important to you it is important to us, I will answer your question or address your concerns day or night.

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Steven Gabrish
Investigator (WI. PI License #12656-63)

Octavio "Otto" Delgado
Investigator (WI. PI License #120360-63)
WI Firearms Permit (#15102)

Randolph Olson
Investigator/Counter Surveillance Expert (WI. PI License#12192-63)

Kara J. Koceja

Investigator/Forensic Technician

WI. PI License (#12418-63)

The above listed Investigators are Sub Contractors that work exclusively for TFI-LLC. 

Thomas E. Fischer-Certifed Legal Investigator

Owner/Chief Investigator
​Thomas Fischer Investigations-LLC

(414) 460-0006 

Member of Professional Association of WI. Licensed Investigators. 
Member of the National Association of Legal Investigators. 
Member of the National Council of Investigation and Security Services.
Member of International Intelligence Network.

Contact us at for your questions about our services. 

Contact Us

Thomas Fischer Investigations
Criminal / Civil / Foresic Investigations (414) 460-0006


Wisconsin Circuit Court Access
Identity Theft Prevention Tools
Fire Investigation Tools

Investigator Thomas E. fischer-Certified Legal Investigator, Milwaukee Detective. (Retired) WI. PI. License# 11713-063

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Thomas Fischer Investigations LLC BBB Business Review
Criminal-Civil-Forensic Investigations


Skip Tracing
Specializing in Criminal Defense Investigations

Call for your free consultation today at (414)-460-0006.

Licensed and Bonded Detective Agency

About Us

Thomas E. Fischer is a career detective whose experience includes 30+ years with The Milwaukee Police Department.

Security Tips

The largest obstacle to personal safety is you. Many people think "It can't happen to me" or "what's going...

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