Professional Investigations services, you can rely on.
Trustworthy, discreet, and professional investigations.
Trustworthy, discreet, and professional investigations.
To pursue truth with precision, integrity and courage in every investigation we undertake.
Blue Light Investigations is a licensed private investigation firm in South Dakota. We specialize in Litigation Support, Surveillance, Background Checks and Service of Process. Founded by former law enforcement professionals, our team combines investigative experience, legal insight, and unwavering integrity to deliver results that stand up in court.
We partner with attorneys, businesses, and private clients to uncover the truth, strengthen cases, and protect what matters most. Every investigation is handled with discretion, accuracy, and professionalism. When the details matter, Blue Light shines brightest.
We love our customers, so feel free to visit during normal business hours.
300 North Dakota Avenue suite 612, Sioux Falls, SD, USA
Open today | 09:00 am – 05:00 pm |
Our office is closed major U.S. holidays. Feel free to email us at office@bluelightinvestigation.com


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