Speigel Investigations is a female-owned private investigation agency based in Seattle, WA headed by Principal Investigator, Liz Speigel. We are in the business of connecting people with the information they seek. We are experienced in investigating cases of personal injury, motor vehicle accidents, brain injury, medical malpractice, wrongful death, sexual assault, sexual harassment in the workplace, insurance bad faith, and elder abuse. We specialize in client and witness interviewing, background checks, locating persons, finding assets, case research, scene investigation, trial preparation, and any other unique investigative needs of a case. We work with individuals in locating persons, assets and background investigation, death investigation and more.


We approach our work with compassion, care, and the belief that every client deserves a thorough and in-depth Investigator. While we apply standard principles of legal investigation to each case, we believe that every situation is unique and deserves a tailored approach. Speigel Investigations will exhaust every avenue of an investigation before bringing you an in-depth report of our findings. 

Principal Investigator

Liz Speigel started her career as a Legal Investigator at a plaintiff law firm, Friedman Rubin PLLP, in Seattle, WA. Before coming to Friedman Rubin, Liz spent five years providing social services to homeless adults and youth at the Downtown Emergency Service Center and YouthCare, both in Seattle. Liz’s time in human services helped her to develop a passion for social justice as well as skills in building rapport with individuals from all walks of life. She is an empathetic and active listener, making her easy to talk to during interviews. Liz graduated with a Bachelor's degree in Sociology with honors from Seattle University in 2008 and a Certificate in Private Investigation from the University of Washington in 2019. She is licensed and insured as the Agency Principal of Speigel Investigations. License number: 20108780. She is a professional member of the Washington Association of Legal Investigators.