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Your Greatest Strength is Our Experience and Impartiality

When you are seeking a solution for your investigative requirements, Advanced Professional Investigations (API) is the agency 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 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 corporate investigations.

Have factual information for effective legal strategies so you can best decide how to move forward with your family law case utilizing our legal investigations.

As of August 31, 2021, Colorado is NO LONGER a licensed state for private investigators. Please read how to limit your liability before hiring an investigator.  READ MORE

Our Services

As a widely-recognized and established private investigation firm in Colorado, we offer our clients a variety of different services. Our team of licensed investigators with over 25 years of experience is ready to tackle any challenge. Our areas of expertise include:

  • Insurance Defense Investigations: Whether you need surveillance, witness locates and interviews, social media and OSINT investigations, background checks, or activity checks – we’ve got it covered.
  • Corporate Investigations: From employee theft and misconduct to intellectual property theft, our investigators have the experience and skills to get you the evidence you need.
  • Corporate Attorney Investigative Support: From witness locates and interviews to background checks, asset searches, and litigation support – our team of investigators can assist corporate attorneys in building strong legal cases.
  • Family Law: Our investigators have extensive experience in family law cases, providing evidence for divorce proceedings, child custody battles, and more.

Why Choose API?

At Advanced Professional Investigations, we understand that every case is unique and requires a customized approach. Our team of experienced Colorado private investigators have the skills, knowledge, and resources to handle even the most complex investigations. Our principles are centered on our impartiality and ensure that all evidence gathered is unbiased, admissible in court, and obtained through legal means.

The API Advantage

  • Expertise: With over 25 years in the profession, our team has the expertise to handle any type of investigation.
  • Customized approach: We understand that every case is unique and requires an individualized approach. Our investigators tailor their methods to fit your specific needs.
  • Impartiality: We pride ourselves on our impartiality and ensure that all evidence collected is unbiased and admissible in court.
  • Cutting-edge technology: Our team stays updated with the latest investigative techniques and uses state-of-the-art tools to gather evidence.
  • Licensed professionals: All our investigators are licensed, bonded, and insured, ensuring that you receive high-quality service from qualified professionals.

We Are Your Insurance, Legal, and Corporate Investigations Solution.

Experience Matters!API is a fully independent, licensed and insured investigator-owned agency. We have been in business since 2006. We have the most specialized and highly skilled team of investigators in Colorado. Each of our field investigators has years of surveillance experience. API is Colorado’s Surveillance Specialists. We are centrally located between Denver and Colorado Springs and serve Colorado and beyond.

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 provide information and documentation that is accurate, factual and legally compliant. We maintain the highest level of integrity and consistency, ensuring our methods, techniques, documentation and testimony will be upheld in a legal setting.

We find timely solutions to our clients’ objectives.

Advanced Professional Investigations has a dedicated team of licensed private investigators in Colorado with diverse backgrounds, skills and experience. This allows us to provide comprehensive and efficient investigations that are tailored to each client’s specific needs. We have the tools and know-how to get you results.

Whether you are an insurance company in need of surveillance or a corporate attorney looking for background checks and asset searches, API is your solution. We have a proven track record of delivering results for our clients and we are committed to maintaining the highest standards of professionalism, confidentiality, and ethical conduct.

Private Investigator Services in Colorado

If you are in need of private investigation services in Colorado, look no further than API. Our Colorado private investigators are highly experienced and skilled in conducting all types of investigations. We pride ourselves on our commitment to providing timely solutions and accurate information for our clients. Contact us today to learn more about our services and how we can help.

Contact Us

Call us today 720-933-9301

220 S. Wilcox St, #654, Castle Rock CO 80104
3800 Buchtel Blvd., #100383, Denver, CO 80210