Guam Private Investigators and Investigation Agencies

Aerial view of Guam

Following are private investigators and investigation agencies in Guam.

The following list of detectives and agencies is in alphabetical order and is by no means a ranking. We encourage you to evaluate each P.I.’s services and select the most appropriate provider based on your individual needs.  Take the time to review the detective’s website (if available) and call several different agencies to ask questions and get price quotes.

To learn more about hiring a professional PI firm near you, and get more details on the costs involved, read our article Tips for hiring a P.I.

Howard Investigation Service

PO Box 3182, Hagatna, Guam 96932
Country: Guam, USA
Telephone – 671-482-2104
[email protected]

Specializing in litigation support for family, criminal, and civil law matters, traffic accident and fraud investigations.Howard Investigation Services offers the Island of Guam and the Northern Marianas Islands professional private investigator services backed by 26 years of law enforcement and investigation experience.

Related: Private Investigator Directory.


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