Best Private Investigators in Milwaukee

Why These Private Investigators?

Our goal is to connect people with the best local experts. We scored Milwaukee Private Investigators on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.

Reviewed Curated Top Picks 152 94 9

Our Selection Criteria:

  • 1. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 2. Qualifications

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Reputation

    A history of delighted customers and outstanding service.

  • 4. Experience

    Masters of their craft, based on years of practical experience and education.

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

Read more about our selection process

Adam Russ Investigations

Adam Russ Investigations in Milwaukee is a board-certified investigation agency approved for criminal defense investigation by the Wisconsin State Public Defenders Office and the Eastern Panel Administrator and Counsel for the Federal Defender Services of Wisconsin. Run by father-son team Adam and Russ Prochnow, the agency conducts criminal defense investigations, undercover surveillance, locates missing persons, and performs investigations for child custody matters and pre-employment purposes. Russ is a member of the National Association of Criminal Defense Lawyers, the Professional Association of Wisconsin Licensed Investigators, and the Criminal Defense Investigation Training Counsel in Stuart, FL.

Milwaukee, WI 53209


DRP Security Services

DRP Security Services is a business in Milwaukee that offers professional security services, security consulting, and private investigations. Other investigation-related services the company offers include insurance fraud investigations, evidence gathering and video surveillance, gps tracking, missing person location, loss prevention, and computer and cell phone data recovery. DRP Security Services can recover deleted phone call records, deleted pictures, encrypted files, and can discover attempts to conceal, destroy, or fabricate evidence.

Milwaukee, WI 53224


L. Johns Services

L. Johns Services of Milwaukee offers process service, private security services for businesses and individuals, loss prevention, and private detective services. The business performs surveillance, license plate checks, and offers courier services. L. Johns Services investigates individuals for purposes including background checks, child endangerment and other family law issues, insurance fraud investigations, identity theft, and more. The company aims to offer services for affordable prices and speaks both Spanish and English to better serve its customers.

Milwaukee, WI 53207


PI Investigations

PI Investigations of Milwaukee is a licensed private detective agency that conducts informational searchers to assist the investigations of attorneys, paralegals, corporations, and private citizens. The agency performs thorough background checks and intensive research to help clients find out what they want to to know about a person and his or her current situation or recent activities. PI Investigations also offers process service from Milwaukee to Madison and Fond du Lac to Beloit.

Milwaukee, WI 53237


Private Investigation of WI

Private Investigation of WI is a private detective agency in Brookfield that has been serving individuals, businesses, and attorneys state-and nationwide since 2004. The agency offers background investigations, driving records, video and photo surveillance, cell phone and license plate number traces, and people location services for many purposes. The business helps investigate identify theft, insurance fraud, embezzlement, child support cases, and issues of concern regarding specific indivuduals. Other services the agency offers include polygraph tests, debugging, fingerprinting, DNA testing, and trauma scene cleanup. Private Investigation of WI also offers arbitration and mediation services for divorce, small and large claims disputes, workplace and business disputes, and more.

Brookfield, WI 53005


Private Wisconsin

Private Wisconsin in Greenfield is a state-licensed private detective agency and a member of the Profession Association of Private Investigators. The agency often assists law professionals, insurance companies, and individuals with the video and photo surveillance, interviewing reluctant witnesses, insurance fraud investigations, social media searches, asset verification, child support and child custody disputes, infidelity inquiries, skip tracing, and more. The team’s investigators are skilled at blending into any social surrounding to uncover what really happened and gather evidence that will build the strongest case for its clients.

Greenfield, WI 53220


Spindletop Investigations

Spindletop Investigations is a full-service Milwaukee private detective agency that specializes in digital forensics and surveillance. The agency serves individuals, businesses, and law professionals in any matter of investigation including finding cheating spouses online, finding out what children are doing on the internet on the computer and via their cellphones, to see if employees have been stealing from a business, FMLA abuse, workmen’s compensation fraud, and insurance fraud. The agency produces court-admissible evidence for family law and other cases using digital forensics. Spindletop Investigations can recover photos, videos, emails, internet histories and browser cookies, IP addresses, usernames and passwords, instant messenger chat logs, and more.

Milwaukee, WI 53207


Tactical Security

Tactical Security is a full-service security and investigations agency in Brookfield that serves private, corporate, and industrial clients. Tactical security offers everything from armed and unarmed personal protection to employment services and background checks to private investigations. Tactical Security specializes in security for facilities such as banks, hotels, shopping centers, hospitals, and offers services for outdoor sales and events. The agency’s private investigators specialize in credit checks, surveillance, accident investigations, subject interviews, and process services.

Brookfield, WI 53005


Thomas Fischer Investigations

Thomas Fischer Investigations is the business of a retired City of Milwaukee police detective who has more than 30 years of experience in investigating white collar crime, homicide, and armed robbery. Thomas Fischer attended school while working on the police force, and in 2007, received his master’s degree in police union leadership from Harvard Law School. The business’s website offers security tips to protect children and residences and has a page of resources such as access to the Wisconsin Circuit Courts, the Wisconsin Department of Corrections Sex Offender Registry, the FBI, and live radio communications of Milwaukee-area police forces and fire departments.

Milwaukee, WI 53224


Wrong city? Here are some nearby places: