
Maine Private Investigators
License # 9500766
Licensed Since 1985
Welcome to C.L. O'Brien, Jr. & Associates
Full Service Bangor Maine Private Investigators
C.L. O’Brien, Jr. & Associates, LLC is a professional full service licensed private investigations firm centrally located in Maine. We provide a wide array of specialized investigative services to law firms, insurance companies, businesses and the general public. Our twenty-four years of expertise ensures that all investigations are conducted promptly, professionally, ethically and confidentially.
C.L. O’Brien, Jr. & Associates, LLC is conveniently located in Central Maine allowing us to serve a large area of the state proficiently and effectively. Our firm offers competitive rates along with custom services designed to fit within any budget.
See our Investigations and Services page for a list of the services we provide.
For more information and a FREE consultation, contact us today!
1-866-271-3835
C.L. O'Brien, Jr. & Associates, LLC
P.O. Box 112
Bangor, Maine 04402-0112
Telephone: 207-942-5400 :: Toll Free: 1-866-271-3835
C.L. O'Brien, Jr. & Associates are members of the following organizations:
Maine Licensed Private Investigators Association (MLPIA)
National Association of Investigative Specialists (NAIS)
National Council of Investigative and Security Specialists (NCISS)
![]()
All major credit cards and e-checks accepted through Paypal.


