
Michael E. Martinez Efficient and Reliable Results Our commitment to efficiency and reliability ensures timely, dependable results, empowering your business with the confidence and performance needed to succeed in today's competitive landscape.

Paige Dreier Comprehensive Service Range From criminal defense to personal injury and nationwide background checks, our diverse service offerings ensure a one-stop solution for all legal and investigative needs.

Jessica White Nationwide Reach, Local Expertise Our nationwide network allows us to conduct thorough investigations anywhere in the country, combining broad capabilities with local insights to deliver superior results.
Every Case, Our Chase – Expertise in Investigation Across the Nation Bridging the Gap Between Mystery and Clarity: Our Criminal Defense Investigations Have Made a Difference Since 1982! Contact Now Why Choose Us
Paige Dreier Comprehensive Service Range From criminal defense to personal injury and nationwide background checks, our diverse service offerings ensure a one-stop solution for all legal and investigative needs.
Anthony DiVirgilio Unparalleled Experience With over 40 years of experience and a foundation since 1982, our team, led by a retired Police Division Commander, brings unparalleled investigative expertise to every case.
Jessica White Nationwide Reach, Local Expertise Our nationwide network allows us to conduct thorough investigations anywhere in the country, combining broad capabilities with local insights to deliver superior results.
Michael E. Martinez Efficient and Reliable Results Our commitment to efficiency and reliability ensures timely, dependable results, empowering your business with the confidence and performance needed to succeed in today’s competitive landscape.
Richard Vaccaro Accuracy and Customization Our approach is tailored to each case, ensuring precision in investigation and personalization in service. We dive deep to uncover truths that matter.
Our Past Embraces the Future Private Investigators Continuing to Serve the Legal & Business Community in Denver Since 1982. Testimonial’s I have worked with Tony and Investigative Resources for over 40 years and have always received extremely valuable insights about my cases by collaborating with them. Moreover, they have provided referrals to professionals in other fields who have been similarly helpful in developing cases. Tony has been my “go to” investigator for complex federal cases for more than 20 years. He is well-versed in all aspects of the criminal case and provides invaluable assistance at all stages. Our law firm has been working with Investigative Resources for many years. We know we can count on them to be thorough and extremely knowledgeable which makes him an asset in any case. Previous Next
Top Private Investigators in Denver CO
Investigative Resources Inc, established in 1982, is your trusted private investigators in Denver, CO, and a leader in the investigative services industry. Our investigation company is comprised of not only seasoned former law enforcement officers, but young, talented investigators, recruited from university criminal justice programs and the legal community. We offer a depth of knowledge and expertise, coupled with the creativity and innovation evident in today’s young professionals. Specializing in a comprehensive range of services, including criminal defense, personal injury accident investigations, business litigation, nationwide backgrounds and asset searches, pre-plea and presentence mitigation investigations, and federal sentencing guideline calculations, we cater to lawyers, corporations, and other business professionals in need of our evidence gathering, report writing, and testimony skills. Our national reach and local expertise ensure thorough and effective investigations.
Our Private Investigation Services
Witness Interviews
Criminal Defense
Personal Injury Accidents
Surveillance
Federal Sentencing
Nationwide Asset Searches
Witness Location
Corporate Internal Affairs
Nationwide Background Investigations
Pre-Plea and Presentence Mitigation & Supervision
Faq
How long has Investigative Resources Inc been in operation? Investigative Resources Inc has provided private investigative services in Denver since 1982, bringing our clients over four decades of experience.
Who leads the investigations at Investigative Resources Inc? Our investigations are led by Anthony DiVirgilio, a retired Police Division Commander, and Paige Dingee, an experienced criminal defense and civil litigation investigator, CSU graduate, and former intern with the public defender’s office.
Can Investigative Resources Inc. handle investigations outside of my state? Yes, we offer nationwide investigation services, utilizing a network of databases and professionals to conduct thorough and effective investigations across the United States.
Contact Us
Our investigators will reach out in 24 hours or less.
- (303) 534-1177
- Tony@realinvestigations.com
- 1625 Larimer St, Suite 1903 Denver CO 80202