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Denver Colorado private investigator | Denver surveillance investigations | insurance defense investigators, employee misconduct, child custody, claims PI

We Help You Save Money in Claims and
Win More Cases.

Our Experience and Impartiality Is Your Greatest Strength.


If you are an insurance defense attorney, insurance company, self-insured corporation, TPA, risk manager or insurance defense professional, we will provide you with accurate, timely information that will help you mitigate claims and close out files.


If you are a family law attorney or private individual with a legal need, we will help you obtain information so that you can decide how to move forward with your child custody, child endangerment (drug or alcohol use), parental kidnapping, determination of employment, alimony, spousal maintenance or co-habitation issues.


If you are a corporation in need of investigations for employee misconduct including drug and alcohol use, time theft, equipment theft, vehicle or equipment misuse, misuse of fuel or company credit cards and violations of non-competes, we will help you gather evidence to allow to take action.



Licensed, Insured and Bonded Surveillance Specialists


API is a local investigator-owned company centrally located between Denver and Colorado Springs and serving all of Colorado. Years of in-field experience in the insurance defense, fraud and worker's compensation claims investigations and family law and child custody investigations have enabled API to put together one of the most specialized and highly skilled teams of investigators in Colorado.



We are Diligent! You can count on us to give a constant and earnest effort to accomplish what we undertake. Whether we are conducting surveillance or any other type of investigation, our job is to observe objectively and document precisely.


We maintain the highest integrity and consistency, ensuring our methods, techniques and documentation will be upheld in a legal setting. We find timely solutions to our clients’ objectives. When you partner with Advanced Professional Investigations, you partner with a leader in the industry.


We Proudly Accept
We Accept These Credit Cards

Advanced Professional Investigations
P.O. Box 654
Castle Rock, CO 80104


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