Uncover the Truth: Find Top Detectives in Holmen, WI

O'Brien & Associates is a full-service, licensed, and insured private investigation security agency founded in 1990 by Ed and Karin O'Brien. With over 50 years of experience in security and investigation, our licensed personnel and advisory staff offer extensive experience in investigating criminal charges, civil complaints, insurance fraud, and various other financial crimes. We provide a range of services, including asset protection, door guards, gate attendants, mobile patrol, overnight fire watch, and overnight security. Our goal is to provide "security with a smile" while focusing on professional service with personal integrity.