About Blue Star Investigations

Blue Star Investigations is an Illinois licensed and insured Private Detective Agency.  We offer superior quality services and pride ourselves in maintaining outstanding levels of customer satisfaction.  With Blue Star Investigation, each client will receive personalized attention. The customer experience is above average. We pride ourselves on building relationships with our clients. 

We service Northern Illinois, including the City of Chicago and the surrounding suburban areas. Our primary service areas include the following counties:  

• Cook County                         
• Lake County                           
• McHenry County                   
• Kane County                          
• DuPage County 
• Will County  

What sets Blue Star Investigations apart from other Illinois private investigators? The answer is simple- attention to detail and our commitment to obtaining positive professional results on each case we accept.   

Blue Star Investigations Inc License# 117001675  

Michael Clark Private Detective License# 115002391