Market Research
How many private investigators and security companies operate in Colorado?
Denver Security Review analyzed public Colorado business entity records to estimate the size of the investigation and security provider market. The counts below are careful market indicators, not a claim that every entity is an active, licensed field operator.
Executive summary
Denver Security Review identified 381 good-standing Colorado business entities whose names match investigation or detective-related terms, including 29 stricter matches for private investigation or private detective phrasing. For security-related entities, the review identified 1,553 good-standing Colorado matches using broad security, guard, or patrol terms, including 960 entities with security in the name.
Colorado statewide counts
These figures are best read as a market-map signal. They show how many good-standing Colorado business entities use terms that commonly describe investigation, detective, security, guard, or patrol services.
Denver-specific counts
For Denver businesses, the data suggests a crowded provider market. A large pool of entity-name matches does not automatically mean a large pool of mature, well-documented, properly supervised providers. That distinction is why review criteria should examine authority, documentation, confidentiality, supervision, and reporting quality.
Methodology and limits
The primary source was the Colorado public business entity dataset. Denver Security Review filtered for good-standing entities with a Colorado principal state, then counted entity names matching terms commonly associated with private investigation and security-provider work.
This is not the same as a license registry. Some entities may be inactive in practice, may provide adjacent consulting or technology services, may operate under names that do not include these terms, or may provide services outside the buyer's intended scope. Colorado also does not provide a single clean statewide active private investigator list suitable for claiming an exact current operator total.
Security-industry regulation is also changing and contested. Colorado General Assembly materials for 2025 security-guard legislation show a proposed statewide regulatory structure, but the bill was lost and should not be mistaken for a current statewide list of active providers.
What this means for businesses
The practical takeaway is not simply that Colorado has many investigation and security-related business entities. The stronger takeaway is that buyers need a disciplined comparison process. Businesses should ask for clear documentation of authority, service scope, confidentiality controls, supervision practices, incident or case reporting, evidence handling, and client communication standards before selecting a provider.
Sources and notes
- Colorado Information Marketplace business entity dataset API documentation
- Colorado General Assembly HB25-1262 security guard regulation materials
- Colorado General Assembly HB20-1207 private investigator sunset regulation context
- Colorado Secretary of State former private investigator licensure rules