When the truth matters, DK Security’s professional private investigators work discreetly to uncover the answers you need.
What Are Private Investigation Services?
A private investigation is a confidential inquiry into a specific concern. Whether it’s a personal matter or a business issue, DK Security’s licensed investigators provide impartial surveillance and fact-finding to help you make informed decisions.
Benefits of Hiring Private Investigation Companies
Professionalism
Our licensed investigators follow legal procedures and compile thorough documentation.
Experience
With a team that includes retired FBI agents, police officers, and surveillance specialists, we bring decades of expertise to every case.
Results
Since 1995, we’ve conducted more than 3,000 investigations and helped clients like you recover millions in assets and find clarity.
What our clients say about us
Manufacturing Client
“DK Security and its staff are the commensurate professionals. They listen to their client needs and tailor their security service to what best fits the client. Would highly recommend them to any organization seeking the best in onsite security.”
Manufacturing Client
Macatawa Bank
“Always have and always will recommend DK! I had the privilege of knowing both Bob and John and feel this is the best security company out there—you are treated as a true client, not just a customer!”
Macatawa Bank
Southwestern Michigan College
“I am impressed with DK’s reliability. From day one they have ensured that anytime our campus’ are open for students they are on duty with a professional and knowledgeable staff member.”
Southwestern Michigan College
Lansing Insurance Industry Client
“I whole-heartedly recommend DK – they are experts in what they do.”
Lansing Insurance Industry Client
Industries
Industries We Serve
From corporations to individuals, our investigations help clients protect their interests, prevent losses, and find answers. Whether you’re dealing with fraud, workplace misconduct, or personal legal matters, we bring discretion, reliability, and results.



























