Denver’s Trusted Private Investigators
When the answer matters, you need an investigator who documents it properly the first time. APIC provides surveillance, litigation support, corporate investigations, and domestic investigations across Denver and the Front Range.
Bridging the gap between questions and solutions
Whether you need help with a legal case, a corporate matter, service of process, or a private family concern, Allegiant Private Investigations & Consulting delivers professional results when they matter most.
From your first phone call to the final report, your assigned investigator works directly with you — not a call center. We tell you at the outset what we can realistically accomplish, what it will cost, and what the evidence is likely to be worth if your matter ends up in front of a judge.
- Every case handled by an assigned, named investigator
- Reports written to be produced and defended in court
- Free initial consultation before you spend a dollar
Our investigative services
Four core practice areas, each staffed by investigators with direct experience in that type of case.
Legal Investigations
Litigation support for attorneys — witness location and interviews, service of process, evidence development, and courtroom-ready reporting.
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Corporate Investigations
Protect your business from fraud, theft, and bad hires with background checks, due diligence, and workplace investigations.
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Domestic & Family
Child custody, cohabitation, and infidelity matters handled with discretion, empathy, and evidence that holds up in family court.
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Surveillance
Discreet, lawful surveillance with continuous time-coded video and complete observation logs — not an edited highlight reel.
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Committed specialists on your side
New agencies open across Colorado every month, which makes choosing the right team harder than it should be. Our investigators come from law enforcement backgrounds with more than thirty years of combined field experience, and every member of our team is vetted before they ever touch a client file.
- Experienced operations. Years of field work refining what actually produces usable results.
- Experienced investigators. 30+ years of combined law enforcement experience across Colorado.
- Courtroom tested. Over 1,000 hours of testimony — our reports are written knowing they may be challenged.
Straightforward from the first call
Free consultation
Tell us what you need to find out. We will tell you honestly whether an investigation is likely to get you there — and when it is not worth your money.
A scoped plan
You receive a written scope and an estimate before any work begins. Your assigned investigator is the person you speak with throughout.
Documented results
You get a clear written report with time-stamped evidence, sourced and organized so your attorney can use it immediately.
Before you call
How much does a private investigator cost in Denver?
Is what you find admissible in court?
Will the person know they are being investigated?
How quickly can you start?
Do you work outside Denver?
Need answers you can act on?
Speak with a professional investigator before you spend a dollar. Free consultation and case evaluation, in confidence.