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Diligent Investigations, LLC

(503) 985-6659
Diligent Investigations, LLC

Diligent Investigations is a full service investigation firm specializing in Surveillance, Background Investigations, Locates, Difficult Service of Process, Interviews and more. In Portland since 2012, Diligent Investigations has earned a reputation for professionalism and integrity. Contact Robert Grady (503-985-6659 or email: [email protected]


  • Accident / Reconstruction
  • Asset Search
  • Background Checks
  • Child Support / Custody
  • Civil
  • Domestic
  • Due Diligence
  • Fraud
  • Infidelity / Cheating Spouse
  • Insurance
  • Judgment Recovery
  • Missing Persons
  • Process Service
  • Public Records
  • People Locate / Skip Trace
  • Social Media
  • Workers Compensation
  • Wrongful Death

Areas of Coverage

  • Portland metro area and locations within a one hour travel radius. Greater distances can be handled on a case by case basis.


  • OALI - Oregon Association of Licensed Investigators
  • NAPPS - National Association of Professional Process Servers
  • ServeNow
  • BBB Certified

Contact Info

Diligent Investigations, LLC
(503) 985-6659
(503) 972-1305
4326 SE Woodstock Blvd., #500
Portland, OR 97206
PSID #56775

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Office Location

4326 SE Woodstock Blvd., #500
Portland, OR
(503) 985-6659