3 Best Private Investigation Service in Portland, OR

Expert-recommended Top 3 Private Investigation Service in Portland, Oregon. All of our private investigators actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

PI Services, LLC - Portland, OR Private Investigation Service - Company Logo
4+ YEARS IN TBR
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PI SERVICES, LLC

Portland & Surrounding Areas,
Portland, OR 97201

Since 1998

Specialty:

Asset Reports Background Checks Bank Locate Search Bankruptcy Records Business Background Profile Cheating Spouse/Partner Infidelity Child Custody Investigations Civil Records GPS Tracking Interviews and Statements Judgment and Liens Research Judgment Recovery Landlord Assistance Locate Someone Surveillance Private Investigations Process Serving Info Retrieval Small Claims Writs of Garnishments Registered Agent Services

"PI Services, LLC provides private investigations and process serving for 27 years. They tailor their investigations for your needs, getting you the results you need with personalized service and trusted advice. They use the best equipment that provides excellent results. They also offer custom background checks for personal and business use. They assist attorneys, corporations, collection departments, credit unions, insurance companies, nanny companies, private investigators, and process servers around the USA. They offer decades of experience helping law firms and others with full transparency. Free consultations and 24/7 emergency services are available at PI Services, LLC. They cover all of Oregon, SW Washington & the entire United States.

2026 Update: They offer GPS tracking device sales and rentals with local technical support."

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License #33719

Price:

Investigations Charge Per Hour
Starts From $95
Up To $120
GPS Tracking Prices
Set Up And Removal Of The GPS At A Location $99
24 Hours A Day For 1 Day $49
24 Hours A Day For 2 Days $69
24 Hours A Day For 3 Days $89
24 Hours A Day For 4 Days $109
24 Hours A Day For 5 Days $129
24 Hours A Day For 1 Week $149
24 Hours A Day For 2 Weeks $199
24 Hours A Day For 3 Weeks $249
24 Hours A Day For 1 Month $299

Contact:

(503) 643-4274

Mon-Thu: 8am - 5pm
Fri: 9am - 4pm
Sat & Sun: Closed

TBR® Inspection Report:

Northwest Investigations & Consulting, LLC - Portland, OR Private Investigation Service - Company Logo
7+ YEARS IN TBR
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NORTHWEST INVESTIGATIONS & CONSULTING, LLC

12042 SE Sunnyside Road, Suite 510, Clackamas,
Portland, OR 97015 Directions

Since 1996

Specialty:

Locate Missing Persons Background Checks Professional Surveillance Legal Investigations Civil and Criminal Investigations Domestic Matters Workers’ Compensation Insurance Fraud Background Social Media and Pre-employment Investigations Child Custody and Support Investigations Commercial and General Liability Construction Defect Inland Marine and Commercial Vehicle Natural Disaster and Catastrophe Response Motor Truck Cargo Property and Casualty Corporate Investigations

"Northwest Investigations & Consulting, LLC is a professional full-service private investigation and insurance claims handling agency with over a 22-year track record of delivering first-class investigative outcomes for clients in Portland, Oregon, the Pacific Northwest, and globally. The firm is located 11.0 miles from Portland, OR. Whether you are a person who has never used the services of a private investigator or someone in the insurance, law, or business industry, they provide both a personal and professional touch that ensures your needs are being addressed in a timely and professional manner. Their professionals are known for their integrity, objectivity, rapid response, and attention to detail. Northwest Investigations & Consulting, LLC team is experienced in civil, criminal, appellate, post-conviction & domestic investigations. They are members of OALI, FARO, OCAA, and TARA. They have 25 years of experience as a licensed general lines insurance adjuster. They comply with all applicable state and federal laws and stay informed of all new changes in applicable legislation. Their attention to detail and commitment to obtaining positive professional results on the cases they accept differentiate them from other investigation agencies. They are on-call 24 hours every day and available to respond to any situation that requires an immediate investigation. Northwest Investigations & Consulting, LLC also offers free and confidential consultations.

2026 Update: They are Oregon-licensed General Adjusters with experience in all lines of insurance coverage."

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License #33947

Discount:

10% Off for All New Customers on Background and Locate Assignments

Contact:

(503) 710-4414

Open 24 Hours

TBR® Inspection Report:

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PI SPECIALISTS, LLC

Portland & Surrounding Areas,
Portland, OR 97201

Since 2019

Specialty:

Infidelity Investigations Divorce Case Investigations Child Custody Investigations Domestic Violence and Drug and Alcohol Abuse Insurance Fraud Investigations Security / Protective Services Division Mobile and Covert Surveillance Missing Persons / Locates / Info Retrieval Process to Serve

"PI Specialists, LLC team of licensed and insured Private Investigators excels in providing comprehensive investigative services to meet your needs. They provide reliable and discreet solutions for individuals, businesses, and legal professionals alike. Beyond domestic investigations, surveillance, missing persons, and witness interviews, they possess the expertise and resources to effectively assist you at competitive rates. At PI Specialists, LLC, they prioritize confidentiality and professionalism in every case. With a commitment to excellence and a proven track record of delivering results, they strive to exceed your expectations and provide you with the peace of mind you deserve. PI Specialists, LLC also serves clients in both Oregon and Arizona.

2026 Update: Their mission is to deliver high-quality private investigations, responsive client support, affordable pricing, and timely, well-documented results their clients can rely on in insurance, corporate, and domestic cases."

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License #081179

Contact:

(503) 740-9930

Open 24 Hours

TBR® Inspection Report: