Keystone Investigative Services, Inc. is a boutique investigative firm renowned for providing specialized investigations to Law Firms, Insurance Carriers and Corporations. With over 35 years combined professional investigative experience, Keystone is at the forefront of experts in the field of legal investigation and insurance defense. We specialize in providing a 360° perspective on legal matters through multi-faceted research and expert investigative analysis, providing strong evidence for legal matters and claims.
Our Los Angeles corporate headquarters is located in beautiful Pasadena, California and we provide professional investigative services nationwide. We are a state-of-the-art investigative agency which leverages modern technology to obtain vital information for each unique case.
Keystone Investigative Services is dedicated to providing excellence in customer service and high quality information products. We are pleased to offer tailored investigations for the specific nuances of each situation.