Over 30 Years of Service

PDA was formed back in 1987 as a locally owned and operated investigation firm in Fresno California. PDA has evolved into one of the most effective private investigations firms on the west coast. Our business philosophy is that we provide the best investigative services in all areas of investigation by utilizing the best individuals for each specific area of investigation. PDA continues to maintain the highest standards of integrity, technical sophistication, and expertise in all the different fields of investigations.

Our services are provided at the highest level of professionalism and integrity. We will provide our clients with diligent and accurate information. This information is provided in a manner that can be easily understood. We continue to maintain the strictest of ethics, morals and honesty with our reports and courtroom testimony.

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