Our Investigation Expertise

Large & Small Business Investigation

​We provide ​claim, fraud, theft, security, partner or competitor, lawsuit preparation and workplace investigation for business. Read about business services.

Private Investigation for Private Clients

​We investigate infidelity, divorce, child custody, false accusations, elder welfare, fraud, hidden assets, personal lawsuits, internet, more. Read about private services.

Background Check Services by Fraud Investigators

​​​Background investigators provide custom background check services for personal and business. Local, national or international. Read about background check services. 

Legal Investigation & Attorney Services

We provide family, criminal, civil, credibility and employment law investigation, court records, assets search and difficult process service, more. Read about legal services.

Our Managing Investigators

Donna Snelling has 30+ years' licensed experience of private investigation and agency management, specializing in complex fraud, surveillance, legal and background investigation for countless government, business, legal and private clients. Donna is a local Portland private investigator who lived here since 1970. Her career began in southern and northern California and investigated there for 15 years, then moved back to the Pacific Northwest in 1993. She is licensed in Washington, Oregon and California.

​Kevin Garrett has been a licensed private investigator, research director, and business manager for more over 30 years. He is a multi-skilled, accomplished investigator and manager — from sensitive surveillance to family law to corporate investigation.  Kevin is an Arizona native who lived until 1999, then moved to Portland Vancouver metro where he directed a leading research company. He has lived and investigated in the Pacific Northwest for 20 years, and he is licensed in Oregon and Washington.

We welcome you to contact us personally for the crucial decisons and first-class results. You will find us professional, knowledgeable, diligent and helpful.​ 

Read more about our private investigators.

Some of Investigation Specialties

Covert Surveillance Investigation 

Covert surveillance and intelligence for fraud, theft, claims, security, custody, adultery, more. Read about surveillance investigation.

Company Background Checks

​Company background check for due diligence, suppliers, vendor and competitor investigation.  Read about company checks.

Locate a Person - Missing Persons

​Locate a person, find a missing person, missing heirs, find family and friends, and find a person who owes money. Read about locating a person.

Child Custody & Safety

Child custody, false accusations, neglect and abuse investigation, and family well-being checks.  Read about child custody and safety

Investigation Recommendations

"They have outstanding proficiency in many areas compared to other investigators. I would choose to have Snelling Private Investigators on my side if the need ever arose, and often recommend them." –Jim Landon, Landon & Associates Investigations, Portland Oregon 
“I was put in contact with Snelling Private Investigators for some investigation work I needed doing in the States. I found Donna to be very thorough, fast and above all, accurate in the information provided to me. I would have no hesitation in recommending Donna and her company.” –Tony Corrie, Briareus Security Limited, London, UK