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Cunningham Investigations Established in 1986, Cunningham Investigations, LLC is a privately held company based in Portland, Maine. Our Maine Private Investigators specialize in all civil cases including but not limited to corporate investigations, divorce cases, spousal surveillance, workers compensation, auto liability, and medical malpractice.

With over 40 years of combined experience, Cunningham Investigations has become a pioneer company offering professional surveillance services for the purpose of successful litigation to clients throughout Maine and New Hampshire. Our Maine Licensed Private Investigators use state-of-the-art technology including high definition digital video and photography, and continually upgrade our equipment to ensure the highest quality and accuracy in our investigations.
Served areas
  • Maine & New Hampshire
Associations and certifications
  • MLPIA
  • NAPPS
  • NAIS
Services
Services
Report
Cases Involving workers Compensation, Auto Liability, and Medical Malpractice
Corporate Investigations
Criminal Records Check
Divorce and Family Investigations
GPS Tracking
Spousal Surveillance
Background Investigations
Litigation Support
Motor Vehicle Records Searches
Personal Protection
Process Service Statewide
Public Records Investigations
Witness Locates and Interviews
Finding Lost Heirs/Unclaimed Property
Asbestos Investigations- Mesothelioma
Cunningham Investigations, Inc is a full service private investigation firm serving the community since 1986. Our Florida and Maine Investigators within our firm specialize in all civil cases including but not limited to finding lost heirs, corporate investigations, divorce cases, spousal surveillance, workers' compensation, auto liability, and medical malpractice.
Finding lost heirs often have unique investigative needs. Most insurance companies and money holders often make it very difficult or impossible for the average person to collect on their loved one's unpaid insurance policy or other financial instruments such as savings accounts, mutual funds, and stocks and bonds to name a few.
Reviews (7)
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Kevin Luce
Jan 28, 2022
Sheryl was very professional and explained things well. Now wait and see.
John Stidd
Jun 17, 2021
I recently used Cunningham Investigations in a highly sensitive personal matter. I found Dana Cunningham to be a highly competent and thorough professional. He was relentless in the pursuit of results and went beyond my expectations to produce a positive outcome. I highly recommend Dana and his staff!
Allyson Webber
Apr 05, 2019
I know most of the investigation team on both a professional and personal level. They are honest, dedicated, and trustworthy. Wouldn't bring my business anywhere else!
Andrew Walton
Mar 19, 2019
I've worked with Cunningham Investigations on a Professional level for over 30 years. I highly recommend them for all your investigation needs!
K. Federico
May 28, 2009
I have used Cunningham Investigations in the past and have had great results. I would recommend them to anyone!

K. Federico
J. Straus
In the past few years I have had a few companies contact me via mail in regards to an insurance policy that my father had that was not given to the family. I was tired of dealing with them since they all had the same line and more importantly wanted their fee up front. I never agreed to giving my money away for something that couldn’t be guaranteed to me in writing.

Then I was approached by Dana Cunningham of Cunningham Investigations. Dana told me that he could get me my late father’s insurance proceeds and that he would not be paid until I got my money. Truly now I felt like I was dealing with someone who meant business, because let’s face it Cunningham Investigations was willing to go to bat for me knowing there was no (Will) for my father and no beneficiaries listed on the policy, which to me made the job even more difficult.

But in the end the proof was there in the check that I received when the policy amount was paid out. So yes, Cunningham Investigations can get it done for you like he did for me.
K. Dempsey
Cunningham Investigations was extremely professional on every level. From the initial phone call, asking every detail about my situation, keeping me calm, to the final report. The time line and details were exceptional. I had my suspicions and Cunningham Investigations provided me with everything I needed. I highly recommend their professionals services.