Call Today! 720-933-9301

Call Today! 720-933-9301

Call Today! 720-933-9301
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Your Greatest Strength is Our Experience and Impartiality

When you are looking for a solution for your investigative requirements, Advanced Professional Investigations (API) is the leading provider with the expertise to resolve those requirements.

When you partner with our investigative agency, you:

  • Save Time and Money
  • Protect Your Assets and Brand
  • Win More Cases

Mitigate claims and close out files with accurate, timely information provided with our insurance defense investigations.

Have the evidence to take appropriate actions for employee misconduct including drug and alcohol use, time and equipment theft, misuse of vehicles and/or equipment, fuel or company credit cards, and violations of non-competes with our business investigations.


We Are Your Surveillance Specialists

Experience Matters! API is a local, licensed and insured investigator-owned agency. We have been in business for over twelve years. We have the most specialized and highly skilled team of investigators in Colorado. Each of our investigators has a minimum of 17 years of in-field surveillance experience. We are centrally located between Denver and Colorado Springs and serve all of 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.

Work Product You Can Count On! We maintain the highest level of integrity and consistency, ensuring our methods, techniques, and documentation will be upheld in a legal setting.

We find timely solutions to our clients’ objectives.

Call us today 720-933-9301

3800 Buchtel Blvd., #100383, Denver, CO 80210