Maine Licensed Private
Investigators Association

National Council of
Investigative & Security
Services

National Association of
Investigative Specialists


Calderbank Investigations is a full-service private investigation agency located in Portland, Maine. We provide a wide range of professional services for insurance companies, law firms, large or small businesses, and private individuals. Our services include but are not limited to the following:

  • Surveillance
  • Worker's Compensation Fraud and Insurance Investigations
  • Infidelity | Divorce | Family Investigations
  • Background Investigations
  • Litigation Support
  • Identity Theft Investigations
  • Process Service Statewide
  • Public Records Investigations
  • Witness Location and Interviews
    See our Services page for more information.

At Calderbank Investigations, we understand our client's needs, and are dedicated to providing the best personal service while maintaining client confidentiality. Our experienced licensed staff is specifically trained to conduct objective investigations in a timely, professional, and cost effective manner. We offer services throughout the State of Maine and New Hampshire, and through our network of associates, can provide professional investigative services nationwide.

We would be pleased to discuss your investigative needs with you. Initial consultation is free.

Please fill out our Online Information Request, or call us at the toll FREE number below

Home | About Us | Services | Case Request | Contact Us | Email

Serving Northern New England

State of Maine Licensed

State of New Hampshire Licensed

Calderbank Investigations
PO Box 10928
Portland, Maine 04104

Tel: (207) 773-8715
or (888) 374-7356
Fax: (888) 374-7357

Email Us


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